Dell Precision 530 Users Manual User's Guide
2014-11-13
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- Contents
- Safety Information
- About Your Computer
- Advanced Features
- Removing and Installing Parts
- Computer Cover
- Interior Service Label
- Computer Memory
- Disk Drives and Media
- Expansion Cards
- Microprocessor Airflow Shroud
- Microprocessor
- VRM
- Computer Battery
- Technical Specifications
- Solving Problems
- Finding Solutions
- Solving Problems
- Power Problems
- Monitor Problems
- Video Problems
- Sound and Speaker Problems
- Printer Problems
- Serial or Parallel Device Problems
- Mouse Problems
- Keyboard Problems
- Diskette Drive Problems
- Hard Drive Problems
- Battery Problems
- Expansion-Card Problems
- Network Problems
- Recover From a Program That Is Not Responding
- Restart a Computer That Is Not Responding
- Repair a Wet Computer
- Repair a Dropped or Damaged Computer
- Hardware Conflicts
- System Memory Problems
- Microprocessor Problems
- System Board Problems
- Reset Corrupted BIOS Settings
- Dell Diagnostics
- Messages and Codes
- Software Problems
- Finding Solutions
- Microsoft® Windows® XP Features
- Getting Help
- Additional Information
- Regulatory Notices
- FCC Notices (U.S. Only)
- IC Notice (Canada Only)
- CE Notice (European Union)
- Battery Disposal
- EN 55022 Compliance (Czech Republic Only)
- VCCI Notice (Japan Only)
- MIC Notice (Republic of Korea Only)
- Polish Center for Testing and Certification Notice
- BSMI Notice (Taiwan Only)
- NOM Information (Mexico Only)
- Información para NOM (únicamente para México)
- ENERGY STAR® Compliance
- Limited Warranty and Return Policy
- Regulatory Notices
- Glossary
www.dell.com
support.dell.com
Dell Precision™ WorkStation 530
USER’S GUIDE
Notes, Notices, and Cautions
NOTE: A NOTE indicates important information that helps you make better
use of your computer.
NOTICE: A NOTICE indicates either potential damage to hardware or loss of
data and tells you how to avoid the problem.
CAUTION: A CAUTION indicates a potential for property damage,
personal injury, or death.
Abbreviations, Acronyms, and
Definitions
For a complete list of abbreviations, acronyms, and definitions, see the
Glossary.
——————————————
Information in this document is subject to change without notice.
© 2001 Dell Computer Corporation. All rights reserved.
Reproduction in any manner whatsoever without the written permission of Dell Computer
Corporation is strictly forbidden.
Trademarks used in this text:
Dell
,
Dell Precision
,
OptiPlex
,
Dell OpenManage
,
Dimension
,
Inspiron
,
Latitude
, the
DELL
logo,
DellNet
, and
DellWare
are trademarks of Dell Computer
Corporation;
Microsoft
,
Windows
,
MS-DOS
, and
Windows NT
are registered trademarks of
Microsoft Corporation;
Intel
and
Pentium
are registered trademarks, and
Xeon
is a trademark
of Intel Corporation;
IBM
is a registered trademark of International Business Machines
Corporation;
3Com
is a registered trademark of 3Com Corporation;
Novell
and
NetWare
are
registered trademarks of Novell, Inc. As an ENERGY STAR Partner, Dell Computer Corporation
has determined that this product meets the ENERGY STAR guidelines for energy efficiency.
Other trademarks and trade names may be used in this document to refer to either the entities
claiming the marks and names or their products. Dell Computer Corporation disclaims any
proprietary interest in trademarks and trade names other than its own.
Model WHL
September 2001 63RVR A02
Contents 3
Contents
1Safety Information
Safety First—For You and Your Computer . . . . . . . . . . . . . 12
When Working Inside Your Computer . . . . . . . . . . . . . . 12
Protecting Against Electrostatic Discharge . . . . . . . . . . . . 14
Ergonomic Computing Habits . . . . . . . . . . . . . . . . . . . 15
2About Your Computer
Finding Information and Assistance . . . . . . . . . . . . . . . . 18
Front View of Your Computer . . . . . . . . . . . . . . . . . . . 21
Controls and Lights . . . . . . . . . . . . . . . . . . . . . . . 23
Connecting Devices . . . . . . . . . . . . . . . . . . . . . . . 24
Back View of Your Computer . . . . . . . . . . . . . . . . . . . . 26
Connecting Devices . . . . . . . . . . . . . . . . . . . . . . . 26
Inside Your Computer . . . . . . . . . . . . . . . . . . . . . . . 30
System Cables . . . . . . . . . . . . . . . . . . . . . . . . . 31
System Board Components . . . . . . . . . . . . . . . . . . . 33
Front Panel Components . . . . . . . . . . . . . . . . . . . . 36
3Advanced Features
System Settings . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Entering System Setup . . . . . . . . . . . . . . . . . . . . . 40
System Setup Screens . . . . . . . . . . . . . . . . . . . . . . 41
System Setup Navigation Keys . . . . . . . . . . . . . . . . . 41
4Contents
Changing the Boot Sequence . . . . . . . . . . . . . . . . . . 42
Network Operations . . . . . . . . . . . . . . . . . . . . . . 43
Integrated Devices . . . . . . . . . . . . . . . . . . . . . . . 45
Manageability . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Dell OpenManage IT Assistant . . . . . . . . . . . . . . . . . 46
Dell OpenManage Client Instrumentation. . . . . . . . . . . . 46
Downloading Systems Management Utilities . . . . . . . . . . 47
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Chassis Intrusion Detection . . . . . . . . . . . . . . . . . . 48
Security Cable Slot and Padlock Ring . . . . . . . . . . . . . 49
Jumper Settings . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Password Protection . . . . . . . . . . . . . . . . . . . . . . . . 51
System Password . . . . . . . . . . . . . . . . . . . . . . . 51
Setup Password . . . . . . . . . . . . . . . . . . . . . . . . 54
Installing and Configuring Software . . . . . . . . . . . . . . . 58
TAPI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Installing a TAPI Device . . . . . . . . . . . . . . . . . . . . 59
Installing a TAPI Sound Card . . . . . . . . . . . . . . . . . 60
IEEE 1394 (FireWire) . . . . . . . . . . . . . . . . . . . . . . . 62
Power Management . . . . . . . . . . . . . . . . . . . . . . . . 63
Dell System Utilities . . . . . . . . . . . . . . . . . . . . . . . . 65
AutoShutdown . . . . . . . . . . . . . . . . . . . . . . . . . 65
Asset Tag . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Auto Power On . . . . . . . . . . . . . . . . . . . . . . . . . 65
4Removing and Installing Parts
Computer Cover . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Opening the Computer Cover . . . . . . . . . . . . . . . . . . 68
Closing the Computer Cover . . . . . . . . . . . . . . . . . . 69
Contents 5
Interior Service Label . . . . . . . . . . . . . . . . . . . . . . . 71
Computer Memory . . . . . . . . . . . . . . . . . . . . . . . . . 72
Computer Memory Installation Guidelines . . . . . . . . . . . . 74
Upgrading Computer Memory . . . . . . . . . . . . . . . . . . 78
Removing a Memory Module . . . . . . . . . . . . . . . . . . 80
Installing a Memory Module . . . . . . . . . . . . . . . . . . 81
Removing Memory Riser Boards . . . . . . . . . . . . . . . . 81
Installing Memory Riser Boards . . . . . . . . . . . . . . . . . 84
Disk Drives and Media . . . . . . . . . . . . . . . . . . . . . . . 86
Installing a CD, Zip, or Other Externally Accessible Drive . . . . 88
Installing a Hard Drive . . . . . . . . . . . . . . . . . . . . . 98
EIDE Device Installation Guidelines . . . . . . . . . . . . . . 105
SCSI Device Installation Guidelines . . . . . . . . . . . . . . 106
Expansion Cards . . . . . . . . . . . . . . . . . . . . . . . . . 109
Installing an Expansion Card . . . . . . . . . . . . . . . . . 111
Removing an Expansion Card . . . . . . . . . . . . . . . . . 115
Microprocessor Airflow Shroud . . . . . . . . . . . . . . . . . 117
Removing the Microprocessor Airflow Shroud . . . . . . . . . 117
Installing the Microprocessor Airflow Shroud . . . . . . . . . 118
Microprocessor . . . . . . . . . . . . . . . . . . . . . . . . . . 120
Installation Guidelines . . . . . . . . . . . . . . . . . . . . 120
Upgrading the Microprocessor(s) . . . . . . . . . . . . . . . 120
VRM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Removing a VRM . . . . . . . . . . . . . . . . . . . . . . . 126
Installing a VRM . . . . . . . . . . . . . . . . . . . . . . . 127
Computer Battery . . . . . . . . . . . . . . . . . . . . . . . . 129
6Contents
5Technical Specifications
6Solving Problems
Finding Solutions . . . . . . . . . . . . . . . . . . . . . . . . . 140
Power Problems . . . . . . . . . . . . . . . . . . . . . . . . 141
Monitor Problems . . . . . . . . . . . . . . . . . . . . . . . 143
Video Problems . . . . . . . . . . . . . . . . . . . . . . . . 145
Sound and Speaker Problems . . . . . . . . . . . . . . . . . 147
Printer Problems . . . . . . . . . . . . . . . . . . . . . . . . 149
Serial or Parallel Device Problems . . . . . . . . . . . . . . . 150
Mouse Problems . . . . . . . . . . . . . . . . . . . . . . . . 152
Keyboard Problems . . . . . . . . . . . . . . . . . . . . . . 154
Diskette Drive Problems . . . . . . . . . . . . . . . . . . . . 155
Hard Drive Problems . . . . . . . . . . . . . . . . . . . . . . 157
Battery Problems . . . . . . . . . . . . . . . . . . . . . . . 161
Expansion-Card Problems . . . . . . . . . . . . . . . . . . . 162
Network Problems . . . . . . . . . . . . . . . . . . . . . . . 164
Recover From a Program That Is Not Responding . . . . . . . 166
Restart a Computer That Is Not Responding . . . . . . . . . . 166
Repair a Wet Computer . . . . . . . . . . . . . . . . . . . . 166
Repair a Dropped or Damaged Computer . . . . . . . . . . . . 168
Hardware Conflicts . . . . . . . . . . . . . . . . . . . . . . 169
System Memory Problems . . . . . . . . . . . . . . . . . . . 169
Microprocessor Problems . . . . . . . . . . . . . . . . . . . 171
System Board Problems . . . . . . . . . . . . . . . . . . . . 174
Reset Corrupted BIOS Settings . . . . . . . . . . . . . . . . 175
Dell Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . 177
When to Use the Dell Diagnostics . . . . . . . . . . . . . . . 177
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
Before You Start Testing . . . . . . . . . . . . . . . . . . . . 178
Running the Dell Diagnostics . . . . . . . . . . . . . . . . . . 178
Advanced Testing . . . . . . . . . . . . . . . . . . . . . . . 182
Messages and Codes . . . . . . . . . . . . . . . . . . . . . . . . 184
Contents 7
System Messages . . . . . . . . . . . . . . . . . . . . . . . 184
System Beep Codes . . . . . . . . . . . . . . . . . . . . . . 192
Warning Messages . . . . . . . . . . . . . . . . . . . . . . 194
Diagnostics Messages . . . . . . . . . . . . . . . . . . . . . 195
Diagnostic Lights . . . . . . . . . . . . . . . . . . . . . . . 195
SNMP Platform Event Traps . . . . . . . . . . . . . . . . . 201
Software Problems . . . . . . . . . . . . . . . . . . . . . . . . 203
Operating System Compatibility . . . . . . . . . . . . . . . . 205
Multiple Microprocessor Compatibility . . . . . . . . . . . . 205
Input Errors . . . . . . . . . . . . . . . . . . . . . . . . . 205
Error Messages . . . . . . . . . . . . . . . . . . . . . . . . 205
Device Drivers . . . . . . . . . . . . . . . . . . . . . . . . . 206
Memory-Resident Programs . . . . . . . . . . . . . . . . . . 206
Program Conflicts . . . . . . . . . . . . . . . . . . . . . . . 206
Memory Address Conflicts . . . . . . . . . . . . . . . . . . 207
Interrupt Assignment Conflicts . . . . . . . . . . . . . . . . 207
BIOS Recovery Utility. . . . . . . . . . . . . . . . . . . . . 208
7Microsoft® Windows® XP Features
Overview of Windows XP . . . . . . . . . . . . . . . . . . . . . 213
Help and Support Center . . . . . . . . . . . . . . . . . . . 213
New User Interface . . . . . . . . . . . . . . . . . . . . . . . . 215
Switching to Classic View . . . . . . . . . . . . . . . . . . . 215
Clean Desktop Wizard. . . . . . . . . . . . . . . . . . . . . 216
Taskbar Grouping . . . . . . . . . . . . . . . . . . . . . . . 217
Notification Area Cleanup . . . . . . . . . . . . . . . . . . . 217
Files and Settings Transfer Wizard . . . . . . . . . . . . . . . . 219
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
Application and Device Compatibility . . . . . . . . . . . . . . 221
Program Compatibility Wizard . . . . . . . . . . . . . . . . 221
System Restore . . . . . . . . . . . . . . . . . . . . . . . . . . 223
8Contents
Using System Restore . . . . . . . . . . . . . . . . . . . . . 223
Restore Process . . . . . . . . . . . . . . . . . . . . . . . . 225
Driver Rollback . . . . . . . . . . . . . . . . . . . . . . . . 226
User Accounts and Fast User Switching . . . . . . . . . . . . . 227
How to Use Fast User Switching . . . . . . . . . . . . . . . . 227
What Happens When a Fast User Switch Occurs? . . . . . . . 227
Special Considerations With Fast User Switching . . . . . . . 228
How to Turn Off Fast User Switching . . . . . . . . . . . . . . 228
How to Add Users . . . . . . . . . . . . . . . . . . . . . . . 229
Home and Small Office Networking . . . . . . . . . . . . . . . . 231
Network Setup Wizard . . . . . . . . . . . . . . . . . . . . . 231
Internet Connection Firewall . . . . . . . . . . . . . . . . . . . 233
8Getting Help
Help Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . 236
Technical Assistance . . . . . . . . . . . . . . . . . . . . . . 236
Help Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . 236
Problems With Your Order . . . . . . . . . . . . . . . . . . . 239
Product Information . . . . . . . . . . . . . . . . . . . . . . 239
Returning Items for Warranty Repair or Credit . . . . . . . . . 239
Before You Call . . . . . . . . . . . . . . . . . . . . . . . . 240
Dell Contact Numbers . . . . . . . . . . . . . . . . . . . . . . . 242
9Additional Information
Regulatory Notices . . . . . . . . . . . . . . . . . . . . . . . . 258
FCC Notices (U.S. Only) . . . . . . . . . . . . . . . . . . . . 259
IC Notice (Canada Only) . . . . . . . . . . . . . . . . . . . . 261
CE Notice (European Union) . . . . . . . . . . . . . . . . . . 261
Battery Disposal . . . . . . . . . . . . . . . . . . . . . . . . 262
EN 55022 Compliance (Czech Republic Only) . . . . . . . . . 263
VCCI Notice (Japan Only) . . . . . . . . . . . . . . . . . . . 263
Contents 9
MIC Notice (Republic of Korea Only) . . . . . . . . . . . . . 265
Polish Center for Testing and Certification Notice . . . . . . . 266
BSMI Notice (Taiwan Only) . . . . . . . . . . . . . . . . . . 269
NOM Information (Mexico Only) . . . . . . . . . . . . . . . 270
Información para NOM (únicamente para México) . . . . . . 271
ENERGY STAR® Compliance . . . . . . . . . . . . . . . . . . 273
Limited Warranty and Return Policy . . . . . . . . . . . . . . . 274
Three-Year Limited Warranty (U.S. Only) . . . . . . . . . . . 274
Three-Year Limited Warranty (Canada Only) . . . . . . . . . 277
One-Year End-User Manufacturer Guarantee
(Latin America and the Caribbean Only) . . . . . . . . . . . . 281
"Total Satisfaction" Return Policy (U.S. and Canada Only) . . . 283
Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 285
10 Contents
12 Safety Information
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Safety First—For You and Your
Computer
Use the following safety guidelines to help protect your computer system
from potential damage and to ensure your own personal safety.
When Working Inside Your Computer
Before you open the computer cover, perform the following steps in the
sequence indicated.
NOTICE: Do not attempt to service the computer yourself, except as
explained in your online Dell documentation or otherwise provided to you.
Always follow installation and service instructions closely.
CAUTION: There is a danger of a new battery exploding if it is
incorrectly installed. Replace the battery only with the same or
equivalent type recommended by the manufacturer. Discard used
batteries according to the manufacturer’s instructions.
1Turn off the computer and any peripherals.
2Wear a wrist grounding strap, and clip it to an unpainted metal
surface, such as the padlock loop on the back of the chassis. If a wrist
grounding strap is not available, ground yourself by touching an
unpainted metal surface on the chassis, such as the power supply,
before touching anything inside your computer.
While you work, periodically touch an unpainted metal surface on the
computer chassis to dissipate any static electricity that might harm
internal components. Also avoid touching components or contacts on
a card and avoid touching pins on a chip.
3Disconnect your computer and peripherals from their power sources.
Before disconnecting a peripheral device from the computer, wait 10 to
20 seconds after disconnecting the computer from its electrical outlet.
Before removing a component from the system board, verify that the
standby power light on the system board has turned off. To locate this
light, see "System Board Components" or the interior service label.
Disconnect any telephone or telecommunication lines from the
computer. Doing so reduces the potential for personal injury or shock.
Safety Information 13
In addition, take note of these safety guidelines when appropriate:
•When you disconnect a cable, pull on its connector or on its strain-
relief loop, not on the cable itself. Some cables have a connector with
locking tabs; if you are disconnecting this type of cable, press in on the
locking tabs before disconnecting the cable. As you pull connectors
apart, keep them evenly aligned to avoid bending any connector pins.
Also, before you connect a cable, make sure both connectors are
correctly oriented and aligned.
•Handle components and cards with care. Do not touch the
components or contacts on a card. Hold a card by its edges or by its
metal mounting bracket. Hold a component such as a microprocessor
chip by its edges, not by its pins.
Also see "Protecting Against Electrostatic Discharge." Dell recommends
that you periodically review the safety instructions in your System
Information Guide.
14 Safety Information
www.dell.com | support.dell.com
Protecting Against Electrostatic
Discharge
Static electricity can harm delicate components inside your computer. To
prevent static damage, discharge static electricity from your body before you
touch any of your computer’s electronic components, such as the
microprocessor. You can do so by touching an unpainted metal surface on
the computer chassis.
As you continue to work inside the computer, periodically touch an
unpainted metal surface to remove any static charge your body may have
accumulated.
You can also take the following steps to prevent damage from ESD:
•When unpacking a static-sensitive component from its shipping
carton, do not remove the component from the antistatic packing
material until you are ready to install the component in your
computer. Just before unwrapping the antistatic packaging, be sure to
discharge static electricity from your body.
•When transporting a sensitive component, first place it in an antistatic
container or packaging.
•Handle all sensitive components in a static-safe area. If possible, use
antistatic floor pads and workbench pads.
Safety Information 15
Ergonomic Computing Habits
CAUTION: Improper or prolonged keyboard use may result in
injury.
CAUTION: Viewing the monitor screen for extended periods of
time may result in eye strain.
For comfort and efficiency, observe the following ergonomic guidelines
when setting up and using your computer system:
•Position your system so that the monitor and keyboard are directly in
front of you as you work. Special shelves are available (from Dell and
other sources) to help you correctly position your keyboard.
•Set the monitor at a comfortable viewing distance (usually 510 to
610 mm [20 to 24 inches] from your eyes).
•Ensure that the monitor screen is at eye level or slightly lower when
you are sitting in front of the monitor.
•Adjust the tilt of the monitor, its contrast and brightness settings, and
the lighting around you (such as overhead lights, desk lamps, and the
curtains or blinds on nearby windows) to minimize reflections and
glare on the monitor screen.
•Use a chair that provides good lower back support.
•Keep your forearms horizontal with your wrists in a neutral,
comfortable position while using the keyboard or mouse.
•Always leave space to rest your hands while using the keyboard or
mouse.
•Let your upper arms hang naturally at your sides.
•Sit erect, with your feet resting on the floor and your thighs level.
•When sitting, ensure that the weight of your legs is on your feet and
not on the front of your chair seat. Adjust your chair’s height or use a
footrest, if necessary, to maintain proper posture.
•Vary your work activities. Try to organize your work so that you do not
have to type for extended periods of time. When you stop typing, try
to do things that use both hands.
16 Safety Information
www.dell.com | support.dell.com
Monitor and keyboard
positioned directly in
front of the user
Monitor screen at or
below eye level
Feet flat on the floor
Arms at desk level
Wrists relaxed and flat
18 About Your Computer
www.dell.com | support.dell.com
Finding Information and Assistance
The following table lists the resources that Dell provides as support tools.
Additional resources may be shipped with your computer system.
Resources and Support Tools
Resource Contents Using the Resource
Setup and Quick Reference
Guide
• System setup
• Support tools
• Frequently asked questions
• Basic troubleshooting
• Upgrade information
See the Setup and Quick Reference Guide for information
on the following:
• Setting up your computer
• Finding and using support resources
• Diagnosing a problem
• Using tools and utilities
Service and Registration
Labels
•Express Service Code and
Service Tag Number
• Product Key (also called the
Product ID or COA)
The labels located on your
Dell computer.
The Express Service Code and Service Tag Number are
unique identifiers for your Dell computer.
You will need the Product Key (or Product ID) number to
complete the OS setup.
For more information, see the Setup and Quick Reference
Guide.
Dell Precision ResourceCD
•Dell Diagnostics
•Drivers
• Utilities
•Computer and device
documentation
See the main menu on the ResourceCD that was shipped
with your computer. Use the pull-down menu to make
selections appropriate for your computer. You can perform
the following tasks:
• Diagnose a problem
• Install or reinstall drivers
• Obtain information on your computer and devices
NOTE: User documentation and drivers are already
installed on your computer when shipped from Dell. You
can use this CD to access documentation, reinstall drivers,
or run diagnostics tools.
About Your Computer 19
OS CD To reinstall your operating system, use the OS CD that
was shipped with your computer.
NOTE: The OS CD may not include all the latest drivers
for your computer. If you reinstall your OS, use the
ResourceCD to reinstall drivers for the devices shipped
with your computer.
For more information about reinstalling your OS, see the
OS installation documentation that was shipped with
your computer.
OS installation guide See the OS installation guide for information on
reinstalling and configuring your OS.
User’s guides for your
computer and devices Depending on your operating system, double-click the
User’s Guides icon on your desktop to access the
electronic documentation stored on your hard drive or
click Start and select Help and Support. Obtain
information on the following:
• Using your computer
• Configuring system settings
• Removing and installing parts
• Installing and configuring software
• Diagnosing a problem
• Technical specifications
•Device documentation
• Getting technical assistance
Resources and Support Tools
(continued)
Resource Contents Using the Resource
User’s Guides
20 About Your Computer
www.dell.com | support.dell.com
Dell support site
• Frequently asked questions
• Downloads for your
computer
• Documentation
• Online discussion about
your computer
• Searchable database
Go to http://support.dell.com:
• Get help with general usage, installation, and
troubleshooting questions (Ask Dudley, Dell
Knowledge Base)
• Access documentation about your computer and
devices (Dell Documents)
• Get the latest versions of the drivers for your computer
(Downloads for Your Dell)
• Join online discussions with other Dell customers and
Dell technical professionals (Dell Talk)
• Explore a list of online links to Dell's primary vendors
Dell Premier Support website
•Service call status
•Top technical issues by
product
• Frequently asked questions
by product number
•Customized service tags
• System configuration detail
Go to http://premiersupport.dell.com:
The Dell Premier Support website is customized for
corporate, government, and education customers. It may
not be available in all regions.
Interior service label A service label affixed to the inside of your computer
cover provides information about working inside your
computer.
OS documentation Click Start and select Help to obtain information on your
OS.
For information on some of the new features in Windows
XP, see "Overview of Windows XP."
Resources and Support Tools
(continued)
Resource Contents Using the Resource
About Your Computer 21
Front View of Your Computer
• Controls and lights
• Connecting devices
The following figures show the controls, lights, and other features on the
front panel of your computer. The drive door can open and fold against the
side of the computer. This allows fully unobstructed use of the externally
accessible drives. See "Opening the Drive Door."
Front View of the Computer
power button
power light
hard-drive access light
externally accessible
drive door
front I/O panel door
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Front View of the Computer (Doors Open)
NOTE: See "System Lights" and "Diagnostic Lights" for descriptions of light
codes and operations.
diagnostic lights
Port 2 USB connectors (2)
speaker/headphone jack
diskette drive
externally
accessible drives
IEEE 1394 connector
power button
power light
hard-drive access light
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•Power light — illuminates in two colors and blinks or remains solid to
indicate different states.
•Diskette-drive access light — illuminates when the drive is reading
data from, or writing data to, a diskette. Wait until this light turns off
before you remove a diskette from the drive.
• Hard-drive access light — illuminates when a hard drive is reading data
from, or writing data to, the drive.
• Diagnostic lights — a series of lights that can help you diagnose a
problem with your computer.
Connecting Devices
When you connect external devices to your computer's back panel, follow
these guidelines:
•Check the documentation that accompanied the device for specific
installation and configuration instructions.
For example, you must connect most devices to a particular I/O port or
connector to operate properly. Also, external devices like a printer
usually require you to load device drivers before they will work.
Computer Status Power Button Function
Off Press and release to turn the computer on.
On Press and hold for more than 6 seconds to immediately turn
the computer off.
NOTE: Using this method to turn off the computer may
result in loss of data. Use this method only if the computer
will not shut down normally.
On (Windows NT) Press and release to attempt an orderly shutdown.
NOTE: This works only if the Dell System Utilities are
loaded on the computer. Without the utilities, the computer
immediately turns off rather than performing an orderly
shut down.
Sleep state Press and release to bring the computer out of the sleep
state. For more information, see “Power Management.”
Off Press and release to turn the computer on.
About Your Computer 25
•When connecting a USB mouse or keyboard, ensure that you connect
to one of the Port 1 USB connectors on the back of the computer.
•Always attach external devices while your computer is turned off. Then
turn on the computer before turning on any external devices, unless
the documentation for the device specifies otherwise.
NOTICE: Before disconnecting a device from the computer, wait 10 to 20
seconds after turning off the computer to avoid possible damage to the system
board.
Speaker/Headphone Jack
Used to connect computer speakers, headphones, or other audio output
devices. This jack is amplified to support headphones.
IEEE 1394 (FireWire) Connector
Used to attach high-speed serial multimedia devices. For more information,
see "IEEE 1394 (FireWire)."
USB Connectors
Used to attach USB-compliant devices such as printers and speakers to your
computer.
NOTE: When connecting a USB mouse or keyboard, ensure that you connect
to one of the Port 1 USB connectors on the back of the computer.
NOTICE: USB devices do not operate with Microsoft Windows NT.
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Back View of Your Computer
The following figure shows the connectors, lights, and other features on the
back of your computer.
Back-Panel Features
Connecting Devices
When you connect external devices to your computer's back panel, follow
these guidelines:
•Check the documentation that accompanied the device for specific
installation and configuration instructions.
Port 1 USB connectors (2)
serial port 1 connector
serial port 2 connector
parallel port connector
PS/2 mouse connector
PS/2 keyboard connector
network adapter
AGP expansion slot network link integrity light
network activity light
IEEE 1394 connector
cover release latch
padlock ring
security cable slot
audio connectors
AC power connector
PCI expansion slots (5)
About Your Computer 27
For example, you must connect most devices to a particular I/O port or
connector to operate properly. Also, external devices like a printer
usually require you to load device drivers before they will work.
•When connecting a USB mouse or keyboard, ensure that you connect
to one of the Port 1 USB connectors on the back of the computer.
•Always attach external devices while your computer is turned off. Then
turn on the computer before turning on any external devices, unless
the documentation for the device specifies otherwise.
NOTICE: Before disconnecting a device from the computer, wait 10 to 20
seconds after turning off the computer to avoid possible damage to the system
board.
Serial Port Connectors
Default serial port designations: COM1 for port 1 and COM2 for port 2.
You can reassign the serial port's designation in system setup if you add an
expansion card containing a serial port using this designation.
If you set the computer’s serial ports to Auto in system setup and add an
expansion card containing a serial port configured to a specific designation,
the computer automatically maps (assigns) the integrated ports to the
appropriate COM setting as necessary.
Before you add a card with a serial port, check the documentation that
accompanied your software to ensure that the software can be mapped to
the new COM port designation.
Parallel Port Connector
Used to connect printers. Default parallel port designation: LPT1.
NOTE: The integrated parallel port is automatically disabled if the computer
detects an installed expansion card containing a parallel port configured to the
same address as specified in the Parallel Port option in system setup.
Audio Connectors
The audio controller provides the following connectors:
•Microphone jack—used to connect a standard computer microphone.
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•Speaker/headphone jack—used to connect computer speakers,
headphones, or other audio output devices. This jack is amplified to
support headphones.
•Line-in jack—used to connect record/playback devices such as cassette
players, CD players, and VCRs.
PS/2 Mouse Connector
Attach the PS/2 mouse cable to the 6-pin mouse connector on the back
panel. If your computer uses Microsoft® Windows®, Dell installed the
necessary mouse drivers on your hard drive.
NOTE: This connector is similar to the keyboard connector. Ensure that you
correctly identify the mouse connector before you connect the device.
NOTE: Do not attempt to operate a PS/2 mouse and a USB mouse
simultaneously.
PS/2 Keyboard Connector
Attach the PS/2 keyboard cable to the 6-pin keyboard connector on the back
panel.
NOTE: This connector is similar to the mouse connector. Ensure that you
correctly identify the keyboard connector before you connect the device.
IEEE 1394 (FireWire) Connector
Used to attach high-speed serial multimedia devices. For more information,
see "IEEE 1394 (FireWire)."
USB Connectors
Used to attach USB-compliant devices such as keyboards, mice, printers,
and speakers to your computer.
NOTE: When connecting a USB mouse or keyboard, ensure that you connect
to one of the Port 1 USB connectors on the back of the computer.
NOTE: Do not attempt to operate a PS/2 mouse and a USB mouse
simultaneously.
NOTICE: USB devices do not operate with Microsoft Windows NT®.
Network Adapter
The network adapter has the following lights:
About Your Computer 29
•A yellow network activity light flashes when the computer is
transmitting or receiving network data. (A high volume of network
traffic may make this light appear to be in a steady "on" state.)
•A dual-colored network link and speed light, which is green when a
good connection exists between a 10-Mbps network and the computer,
or is orange when a good connection exists between a 100-Mbps
network and the computer. When the light is off, the computer is not
detecting a physical connection to the network.
The network controller includes a Remote Wake Up feature. For more
information, see "Network Operations" and "Power Management."
NOTICE: Do not connect a modem cable to the network adapter. Voltage
from telephone communications can damage the network adapter.
Network Connection Requirements
Press one end of the UTP Ethernet cable into the network adapter on your
computer until the cable snaps securely into place. Connect the other end
to an RJ45 jack wall plate or to an RJ45 port on a UTP concentrator or hub,
depending on your network configuration.
Dell recommends the use of Category 5 wiring and connectors for our
customers' networks.
NOTE: Verify the type of network device to which you are connecting the
computer. A hub typically operates at 10-Mbps. A switch can operate at 10- or
100-Mbps. Ensure that the network adapter is configured for the appropriate
speed. See network adapter diagnostics and configuration utility on Dell
Diagnostics.
About Your Computer 31
Inside the Computer
System Cables
The following illustration shows all potential connectivity throughout the
computer. Connectivity is provided by the system board and front panel.
power supply
diskette drive bracket
externally accessible-drive bracket
expansion-card slots
I/O panel connectors
AC power receptacle
expansion-card
cooling fan
memory riser board
retention bracket
(if needed)
microprocessor
airflow shroud
power supply airflow vents
front panel
speaker
system board
chassis intrusion switch
hard-drive bracket
AGP card
brace
interior service label
cable retainer
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System Cabling
speaker
diskette
drives
externally
accessible
EIDE
bootable
EIDE
and/or
LVD SCSI
front panel
control panel
chassis intrusion switch
microprocessor 0
fan
microprocessor 1
fan expansion card
fan
power supply
telephony/modem
expansion card
About Your Computer 33
NOTE: The control panel shown in "System Cabling" is mounted to the front of
the chassis frame. It controls the power button, power light, and hard-drive
access light. The chassis intrusion switch and the chassis speaker are mounted
inside the computer cover. For more information on these components, see the
Service Manual
.
System Board Components
The following figure shows the principal connectors and components on the
system board.
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System Board Components
microprocessor 1
with heat sink
VRM 0 connector
secondary EIDE
connector
RIMM sockets (4)
diskette-drive
connector
32-bit PCI expansion
card connectors (3)
battery socket
expansion card
fan connector
auxiliary drive access light connector
password jumper
real-time clock
reset jumper
front I/O panel
connector
telephony connector
power 1 connector
microprocessor 0
fan connector
CD audio input
connector
standby power
light
suspend-to-RAM light
chip set with
heat sink
system board speaker front panel
audio connector
primary EIDE
connector
power 2 connector
64-bit PCI expansion
card connectors (2)
VRM 1 connector
microprocessor 0
with heat sink
microprocessor 1
fan connector
front panel IEEE
1394 connector
parallel and serial (2)
port connectors
LVD SCSI
connector
audio connectors
PS/2 keyboard and
mouse connectors
IEEE 1394 connector
AGP Pro expansion
card connector
network and Port 1
USB (2) connectors
About Your Computer 35
System Board Labels
The following table lists the labels for connectors and components on the
system board, and briefly describes the function of each.
System-Board Labels
Connector or Component Label
1394 IEEE 1394 connector
AGP AGP Pro expansion-card connector
AUDIO Audio connectors
AUX_LED Auxiliary drive access light connector
BATTERY Battery socket
CD_IN CD audio input connector
CPU_0 Microprocessor 0 with heat sink
CPU_1 Microprocessor 1 with heat sink
DISKETTE Diskette-drive connector
FAN_CCAG Expansion card fan connector
FAN_P0 Microprocessor 0 fan connector
FAN_P1 Microprocessor 1 fan connector
FPAUDIO Front panel audio connector
FRONT1394 Front panel IEEE 1394 connector
IDE1 Primary EIDE connector
IDE2 Secondary EIDE connector
KYBD_MOUSE PS/2 keyboard and mouse connectors
PANEL Front I/O panel connector
PARALLEL_SERIAL Parallel and serial (2) port connectors
PCInPCI expansion-card connector
POWER1 Power 1 connector
POWER2 Power 2 connector
PSWD Password jumper
RIMM_nRIMM socket
RTCRST Real-time clock reset jumper
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Front Panel Components
The front panel provides connectivity for the computer front I/O panel as
well as several components located inside the chassis. The following figure
shows the principal connectors on the front panel.
SCSI LVD SCSI connector
SPKR System board speaker
STANDBY_LED Standby power light
STR_LED Suspend-to-RAM light
TAPI/MODEM Telephony (TAPI) connector
USB_NIC Network and Port 1 USB (2) connectors
VRM_0 VRM 0 connector
VRM_1 VRM 1 connector
System-Board Labels
(continued)
Connector or Component Label
chassis intrusion
switch connector
system board
connector
chassis speaker connector
front panel audio connector
front panel IEEE 1394 connector
diagnostic lights
speaker/headphone jack
IEEE 1394 connector
control panel connector
Port 2 USB connectors (2)
About Your Computer 37
NOTE: The control panel is mounted to the front of the chassis frame. It
controls the power button, power light, and hard-drive access light. The chassis
intrusion switch and the chassis speaker are mounted inside the computer
cover. For more information on these components, see the
Service Manual
.
Front Panel Labels
The following table lists the labels for connectors on the front panel, and
briefly describes the function of each.
Front Panel Labels
Connector Label
1394 System board IEEE 1394 connector
1394_FNT IEEE 1394 connector
AUDIO System board audio connector
CTRL_PNL Control panel connector
DIAGLED Diagnostic lights
EXT_SPKR Chassis speaker connector
FNT_PNL System board connector
HP_OUT speaker/headphone jack
INTRUDER Chassis intrusion switch connector
USB_FNT Port 2 USB connectors (2)
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40 Advanced Features
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System Settings
• Entering system setup
• System setup screens
• System setup navigation keys
• Changing the boot sequence
• Network operations
• Integrated devices
Each time you start your computer, it compares the installed hardware with
the system configuration information stored in NVRAM. If the computer
detects a discrepancy, it generates an error message for each incorrect
configuration setting.
You can use system settings as follows:
•To set user-selectable options such as date and time or system
password
•To set the current configuration information such as the amount of
memory or type of hard drive installed
You can view the current settings at any time. Dell recommends that you
record the information for future reference. If you have a line printer
connected to the parallel port on your computer, you can print the system
setup screens by pressing <Print Screen>.
Before you use system setup, you need to know the kind of diskette drive(s)
and hard drive(s) installed in your computer. If you are unsure of this
information, see the Manufacturing Test Report that came with your
computer and is located in the Dell Accessories folder.
Entering System Setup
1Turn on your computer.
If your computer is already on, restart it.
2When F2 = Setup appears in the upper-right corner of the screen,
press <F2>.
Advanced Features 41
The System Setup menu appears.
If you wait too long and your operating system begins to load into memory,
let the computer complete the load operation; then restart the computer and
try again.
NOTE: To ensure an orderly system shutdown, consult the documentation that
accompanied your operating system.
System Setup Screens
The system setup screens display the current configuration information for
your computer. Information on the screen is organized into four areas:
•Title — the box at the top of all screens that lists the computer system
name.
•Computer data — two boxes below the title box that display your
microprocessor, L2 cache, service tag number, and the version number
of the BIOS.
•Options — a scrollable box listing options that define the
configuration of your computer, including installed hardware, power
conservation, and security features.
Fields to the right of the option titles contain settings or values. Those
that you can change appear bright on the screen. Those that you
cannot change (because they are set by the computer) appear less
bright. When <Enter> appears to the right of an option title, press
<Enter> to access a pop-up menu of additional options.
•Key functions — a line of boxes across the bottom of all screens that
lists keys and their functions within system setup.
•Help — press <F1> for information in the currently highlighted
option.
System Setup Navigation Keys
The following table lists the keys you use to view or change information in
system setup and to exit setup.
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NOTE: For most of the options, any changes you make are recorded but do not
take effect until the next time you turn on the computer. For a few options (as
noted in the help area), the changes take effect immediately.
Changing the Boot Sequence
The boot sequence allows you to specify the order of the devices from which
the system attempts to boot.
1Press <Enter> to access the Boot Sequence option's pop-up menu.
System Setup Navigation Keys
Key(s) Action
Moves to the next field.
Moves to the previous field.
Cycles through the options in a field. In many fields, you can
also type the appropriate value. To access a field’s pop-up
options menu, press <Enter>.
Scrolls through help information.
Accesses the selected field's pop-up options menu.
spacebar or In the selected field's pop-up options menu, cycles through
the options in a field.
Exits system setup without rebooting the computer and
returns the computer to the boot routine.
Exits system setup and reboots the computer, implementing
any changes you have made.
Resets the selected option to its default setting.
or
or
or
or
or
Advanced Features 43
NOTE: Write down your current boot sequence in case you want to
restore it.
2Press the up- and down-arrow keys to move through the list of devices.
3Press the spacebar to enable or disable a device (enabled devices
appear with a check mark).
4Press plus (+) or minus (–) to move a selected device up or down the
list.
Option settings:
•Diskette Drive A: — The system attempts to boot from the diskette
drive. If the system finds a diskette in the drive that is not bootable, an
error message appears. If no diskette is in the drive, the system
attempts to boot from the next device in the list.
•Hard Drive — The system attempts to boot from the primary hard
drive. If the system does not find an operating system on the drive, it
attempts to boot from the next device in the list.
•CD Drive — The system attempts to boot from the CD drive. If the
system does not find a CD in the drive or if there is not an operating
system on the CD, the system attempts to boot from the next device
in the list.
•MBA — The system prompts you to press <Ctrl><Alt><b> at the
Dell logo screen during boot. A menu appears that allows you to select
a method for booting from a network server. If a boot routine is not
available from the network server, the system attempts to boot from
the next device in the list.
Network Operations
For proper network operations, several options in system setup must be
configured properly:
• Network interface controller
• Boot sequence
• Remote wake up
For information on the relationship of the various option settings, see
"Network Configurations."
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Network Interface Controller
This option, under the Integrated Devices menu, enables or disables the
integrated network adapter. This field also allows you to enable MBA
support.
Option settings:
•On — The integrated network adapter is enabled.
•On w/ MBA — The integrated network adapter is enabled with MBA
support.
•Off — The integrated network adapter is disabled.
NOTE: You must restart the computer before Network Interface Controller
option settings will take effect.
Boot Sequence
The Boot Sequence MBA option setting allows you to specify a method for
booting from a network server.
Remote Wake Up
Remote Wake Up provides the ability either to remotely wake a computer
from a low-power sleep state or to remotely start up a computer that is
turned off but connected to a power source.
Option settings:
•On — The computer will start up when the appropriate signal is
received by the network adapter (WOL) or modem (WOR).
•On w/ Boot to NIC — When the network adapter or modem receives
the appropriate signal, the computer attempts to boot from a network
server. If a boot routine is not available from the network server, the
computer attempts to boot from the devices specified in the Boot
Sequence.
•Off — The computer will not start up remotely.
Network Configurations
The system setup options for network operations work together for
particular functions. The following table describes the relationship of the
various option settings:
Advanced Features 45
NOTE: You must restart the computer before Network Interface Controller
option settings will take effect.
Integrated Devices
You computer has several integrated devices. For these devices to be
accessible to the OS, the corresponding options in system setup must be
configured properly.
To enable or disable an integrated device, enter system setup, select
Integrated Devices and change the setting for the appropriate device to On
or Off:
•Sound
•SCSI
• IEEE 1394
•PS/2 mouse
•USB
Network Option Settings
Network Interface
Controller Boot Sequence Remote Wake Up Function
Off MBA is not available Not available • The computer attempts to boot from the devices
specified in the Boot Sequence.
• The computer cannot be remotely started.
On MBA is not available Available • The computer attempts to boot from the devices
specified in the Boot Sequence.
• The computer can be remotely started by WOL
and/or WOR.
On w/ MBA MBA is set as first
boot device Available • The computer prompts you to press
<Ctrl><Alt><b> during start up, allowing
you to select a network boot method.
• The computer can be remotely started by WOL
and/or WOR.
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Manageability
The following systems management applications are optional and can be
included on your computer when you order it. You can also download the
applications from the Dell support website and install them on your
computer. See "Downloading Systems Management Utilities" for more
information.
•Dell OpenManage™ IT Assistant
• Dell OpenManage Client Instrumentation
Dell OpenManage IT Assistant
Dell OpenManage IT Assistant is the premier Dell™ systems management
application for configuring, managing, and monitoring computers and other
devices on a corporate network. IT Assistant employs the latest remote
management technology to provide asset management, configuration
management, event (alert) management, and security management for
systems equipped with industry-standard management software. Software
of this type is called system management instrumentation.
IT Assistant supports instrumentation that conforms to the following
industry standards:
•SNMP
•DMI
•CIM
The instrumentation available for your computer is Dell OpenManage
Client Instrumentation, which is based on DMI and CIM. For more
information on IT Assistant, see the Dell OpenManage IT Assistant User’s
Guide available on the Dell support website. See "Downloading Systems
Management Utilities" for more information.
Dell OpenManage Client Instrumentation
Dell OpenManage Client Instrumentation is software that enables remote
management application programs such as IT Assistant to do the following:
Advanced Features 47
•Access information about your computer, such as how many processors
it has and what operating system it is running
•Monitor the status of your computer, such as listening for thermal
alerts from temperature probes or hard drive failure alerts from storage
devices
•Change the state of your computer, such as updating its BIOS or
shutting it down remotely
Dell OpenManage Client Instrumentation can be installed your computer,
which, when set up on a network with IT Assistant, is called a managed
system. For more information about Dell OpenManage Client
Instrumentation, see the Dell OpenManage Client Instrumentation User’s
Guide available on the Dell support website. See "Downloading Systems
Management Utilities" for more information.
Downloading Systems Management Utilities
The systems management utilities are available for download from the Dell
support website. See "Finding Information and Assistance" for more
information.
1Go to http://support.dell.com.
If this is your first time to use this website, complete the one-time
registration.
2Click Downloads for Your Dell.
3Enter the Service Tag Number for the computer or select the
appropriate Dell system.
4Select the appropriate OS and language for the computer.
5Select Systems Management for the download category.
6Click Go.
7Follow the instructions on screen to download and install the utilities.
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Security
The computer provides the following methods to physically secure it:
• Chassis intrusion detection
• Security cable slot and padlock ring
Chassis Intrusion Detection
The chassis intrusion monitor can detect whether the computer is opened.
The Chassis Intrusion option in system setup displays the status of the
monitor.
1Enter system setup.
2Press the down-arrow key to move to the System Security option.
3Press <Enter> to access the System Security option's pop-up menu.
4Press the down-arrow key to move to the Chassis Intrusion option.
5Press the spacebar to select an option setting.
Option settings:
•Enabled — When the computer cover is opened, a DMI event is
generated, the setting changes to Detected, and the following message
appears at the next system start-up:
Alert! Cover was previously removed.
To reset the Detected setting, enter system setup. In the Chassis
Intrusion option, press the left- or right-arrow key to select Reset, and
then choose Enabled, Enabled-Silent, or Disabled.
•Enabled-Silent (the default) — When the computer cover is opened,
a DMI event is generated and the setting changes to Detected, but the
alert message does not appear at the next system start-up.
•Disabled — No intrusion monitoring occurs and no messages appear.
NOTE: When the setup password is enabled, you must know the setup
password before you can reset the Chassis Intrusion option.
Advanced Features 49
Security Cable Slot and Padlock Ring
The computer has features that allow you to attach commercially available
antitheft devices:
•Padlock ring—to prevent unauthorized access to the interior of your
computer, install a standard padlock through the rings in the computer
chassis and cover.
•Security cable slot—to prevent unauthorized removal of your
computer, loop the galvanized security cable around an immovable
object, insert the attached locking device into the security cable slot
on the back of your computer, and lock the device with the key
provided.
To locate the computer security features, see "Back-Panel Features" and
"Opening the Computer Cover."
NOTE: Before you purchase an antitheft device, ensure that it works with your
computer.
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Jumper Settings
The following figure shows the location of the jumpers on the system board.
System Board Jumpers
NOTICE: Before changing a jumper setting, verify that the standby power
light on the system board has turned off. Otherwise, damage to your computer
or unpredictable results may occur. To locate this light, see "System Board
Components" or the interior service label.
To change a jumper setting, pull the plug off its pin(s) and carefully fit it
down onto the pin(s) indicated.
The following table lists the system board jumpers and their settings.
System-Board Jumper Settings
Jumper Setting Description
PSWD (default) Password features are enabled.
Password features are disabled.
RTCRST Real-time clock reset. Can be used for
troubleshooting. See "Reset Corrupted BIOS
Settings."
jumpered unjumpered
PSWD
RTCRST
Advanced Features 51
Password Protection
The computer provides the following types of password protection:
•System password
•Setup password
System Password
• Assigning a system password
• Using your system password
• Deleting or changing an existing system password
System passwords allow only those who know the password to have full use
of the computer. Your computer does not have the system password feature
enabled when you receive it.
NOTICE: Although passwords provide security for the data on your computer,
they are not foolproof. If your data requires more security, it is your
responsibility to obtain and use additional forms of protection, such as data
encryption programs.
NOTICE: If you leave your computer running and unattended without having
a system password assigned, or if you leave your computer unlocked so that
someone can disable the password by changing a jumper setting, anyone can
access the data stored on your hard drive.
System Password settings in system setup:
NOTE: You cannot change or enter a new system password if either Enabled
or Disabled is displayed. You can only assign a system password when System
Password is set to Not Enabled.
•Enabled — a system password is assigned
•Disabled — system password feature is disabled by a jumper setting on
the system board
•Not Enabled — no system password is assigned and the password
jumper on the system board is in the enabled position (its default)
Assigning a System Password
1Verify that Password Status is set to Unlocked.
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2Highlight System Password and then press the left- or right-arrow key.
The option heading changes to Enter Password, followed by an empty
32-character field in square brackets.
3Type your new system password.
You can use up to 32 characters.
As you press each character key (or the spacebar for a blank space), a
placeholder appears in the field. The password assignment operation
recognizes keys by their location on the keyboard, without
distinguishing between lowercase and uppercase characters. For
example, if you have an M in your password, the computer recognizes
either M or m as correct.
Certain key combinations are not valid. If you enter one of these
combinations, the speaker emits a beep.
To erase a character when entering your password, press <Backspace>
or the left-arrow key.
NOTE: To escape from the field without assigning a system password,
press <Tab> or the <Shift><Tab> combination to move to another
field, or press <Esc> at any time before completing step 5.
4Press <Enter>.
If the new system password is less than 32 characters, the whole field
fills with placeholders. Then the option heading changes to Verify
Password, followed by another empty 32-character field in square
brackets.
5To confirm your password, type it a second time and press <Enter>.
The password setting changes to Enabled. Your system password is
now set; you can exit system setup and begin using your computer.
Password protection takes effect when you restart the computer.
Using Your System Password
When you start up the computer, the following prompt appears on the
screen when Password Status is set to Unlocked:
Type in the password and
- press <ENTER> to leave password security enabled.
- press <CTRL><ENTER> to disable password security.
Enter password:
Advanced Features 53
If Password Status is set to Locked, the following prompt appears:
Type the password and press <Enter>.
NOTE: If you have assigned a setup password, the computer accepts your
setup password as an alternate system password.
If you enter a wrong or incomplete system password, the following message
appears on the screen:
** Incorrect password. **
Enter password:
If you again enter an incorrect or incomplete system password, the same
message appears on the screen. The third and subsequent times you enter
an incorrect or incomplete system password, the computer displays the
following message:
** Incorrect password. **
Number of unsuccessful password attempts: 3
System halted! Must power down.
Even after your computer is turned off and on, the previous message is
displayed each time an incorrect or incomplete system password is entered.
NOTE: To further protect your computer from unauthorized changes, you can
use the Password Status system setup option in conjunction with the System
Password and Setup Password options.
Deleting or Changing an Existing System Password
1Enter system setup, and verify that Password Status is set to Unlocked.
2Reboot your computer to force it to prompt you for a system password.
3When prompted, type the system password.
4Press <Ctrl><Enter> to disable the existing system password,
instead of pressing <Enter> to continue with the normal operation of
your computer.
5Confirm that Not Enabled is displayed for the System Password
option.
If Not Enabled appears in the System Password option, the system
password has been deleted. If you want to assign a new password,
continue to step 6. If Not Enabled is not displayed for the System
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Password option, press <Alt><B> to reboot the computer, and then
repeat steps 3 through 5.
6To assign a new password, follow the procedure in "Assigning a System
Password."
Setup Password
• Assigning a setup password
• Operating your computer with a setup password enabled
• Deleting or changing an existing setup password
• Disabling system and setup passwords
Setup passwords allow only those who know the password to have full use of
system setup. Your computer does not have the setup password feature
enabled when you receive it.
Setup Password options in system setup:
•Enabled — does not allow assignment of setup passwords; users must
enter a setup password to make changes to system setup
•Not Enabled — allows assignment of setup passwords; password
feature is enabled but no password is assigned
Assigning a Setup Password
1Enter system setup, and verify that Setup Password is set to Not
Enabled.
2Highlight Setup Password and press the left- or right-arrow key.
The computer prompts you to enter and verify the password. If a
character is illegal for password use, the computer emits a beep.
3Type in and then verify the password.
After you verify the password, the Setup Password setting changes to
Enabled. The next time you attempt to enter system setup, the
computer prompts you for the setup password.
NOTE: The setup password can be the same as the system password.
Advanced Features 55
NOTE: If the two passwords are different, the setup password can be used as
an alternate system password. However, the system password cannot be used in
place of the setup password.
A change to Setup Password becomes effective immediately (rebooting the
computer is not required).
Operating Your Computer With a Setup Password Enabled
When you start system setup, the Setup Password option is highlighted,
prompting you to type the password.
If you do not enter the correct password, the computer lets you view, but
not modify, system setup options.
NOTE: To further protect your computer from unauthorized changes, you can
use the Password Status system setup option in conjunction with the System
Password and Setup Password options.
Deleting or Changing an Existing Setup Password
To change an existing setup password, you must know the setup password.
1Enter system setup.
2If you have already assigned a setup password, type it at the prompt.
3Highlight Setup Password and press the left- or right-arrow key to
delete the existing setup password.
The setting changes to Not Enabled.
4If you want to assign a new setup password, perform the steps in
"Assigning a Setup Password."
Disabling System and Setup Passwords
NOTICE: This process erases both the system and setup passwords.
CAUTION: Before you perform this procedure, see "Safety First—
For You and Your Computer."
NOTICE: Before disconnecting a device from the computer, wait 10 to 20
seconds after disconnecting the computer from its electrical outlet. Before
removing a component from the system board, verify that the standby power
light on the system board has turned off. To locate this light, see "System Board
Components" or "Interior Service Label."
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1Turn off the computer and devices, disconnect them from their
electrical outlets, and wait 10 to 20 seconds.
2Lay the computer on its right side.
3Open the computer cover.
4Remove the jumper plug from the PSWD jumper to disable the
password feature.
See "Jumper Settings" to locate the password jumper (labeled
"PSWD") on the system board.
5Close the computer cover.
6Stand the computer upright.
7Reconnect the computer and devices to their electrical outlets, and
turn them on.
The existing password(s) are erased.
NOTE: If enabled, the Chassis Intrusion option will cause the following
message to be displayed at the next system start-up:
ALERT! Cover was previously removed.
8Proceed to step 9 if you want to assign a new password.
NOTE: Before you assign a new system and/or setup password, you must
install the PSWD jumper plug to reenable the password feature.
9Turn off the computer and devices, disconnect them from their
electrical outlets, and wait 10 to 20 seconds.
10 Lay the computer on its right side.
11 Open the computer cover.
12 Install the PSWD jumper plug.
13 Close the computer cover.
14 Stand the computer upright.
15 Reconnect the computer and devices to their electrical outlets, and
turn them on.
Turning on your computer with the PSWD jumper installed reenables
the password feature. When you enter system setup, both password
Advanced Features 57
options appear as Not Enabled, meaning that the password feature is
enabled but that no password is assigned.
16 Assign a new system and/or setup password.
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Installing and Configuring Software
See "Finding Information and Assistance" for a list of software resources
available to you from Dell, including drivers, utilities, documentation, and
operating system backups. Before installing software that was not provided
with your Dell computer, check the software for viruses with virus-scanning
software. Viruses can quickly use all available system memory, damage or
destroy data stored on the hard drive, and permanently affect the
performance of the programs they infect. Several commercial virus-
scanning programs are available for purchase, and many websites distribute
virus-scanning programs that you can download.
Before you install a program, read its documentation to learn how the
program works, what hardware it requires, and what its defaults are. A
program usually includes installation instructions in its accompanying
documentation and a software installation routine on its program
diskette(s) or CD(s).
The software installation routine assists you in transferring the appropriate
program files to your computer's hard drive. Installation instructions may
provide details about how to configure your operating system to successfully
run the program. Always read the installation instructions before running a
program's installation routine.
When you run the installation routine, be prepared to respond to prompts
for information about how your computer's operating system is configured,
what type of computer you have, and what peripherals are connected to
your computer.
NOTE: If you experience any problems while installing or operating your
software, see "Software Problems."
Advanced Features 59
TAPI
The TAPI features of your computer enable Microsoft® Windows®-based
applications to operate with a wide variety of telephony devices, including
voice, data, fax, video, and so forth. TAPI applications require a TAPI service
provider (TSP), which is a software driver that allows TAPI applications to
communicate with different types of TAPI hardware.
Microsoft Windows provide a TSP called Unimodem, which is a "universal"
modem service provider that supports a wide range of commonly used
modems. For more information on Unimodem, see your Windows
documentation. When using a TAPI device other than a modem, such as a
PBX or a voice processing card, you will need a TSP provided by the
manufacturer of the device.
The TAPI system-board connector uses a 4-pin cable to interface your
internal TAPI-compliant expansion card with the audio system in your
computer. To locate the TAPI system-board connector, see "System Board
Components" or the interior service label. Your computer supports TAPI-
compliant cards using the standard TAPI connector. For example, you can
connect your modem to the TAPI connector and then use your audio
speakers and microphone as a speakerphone. The microphone carries your
voice into the computer and then through the TAPI system board connector
to your modem card. The caller’s voice enters through the modem card to
the TAPI system board connector and then out to the speakers. You can also
use this configuration to record and play sound files over the phone.
Installing a TAPI Device
CAUTION: Before you perform this procedure, see "Safety First—
For You and Your Computer."
NOTICE: Before disconnecting a device from the computer, wait 10 to 20
seconds after disconnecting the computer from its electrical outlet. Before
removing a component from the system board, verify that the standby power
light on the system board has turned off. To locate this light, see "System Board
Components" or the interior service label.
1Turn off the computer and devices, disconnect them from their
electrical outlets, and wait 10 to 20 seconds.
2Lay the computer on its right side.
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3Open the computer cover.
4Install the TAPI-compliant expansion card.
See the manufacturer’s documentation for more information.
5Connect the 4-pin TAPI cable to the TAPI system-board connector.
To locate the TAPI connector on the system board, see "System Board
Components" or the interior service label.
6Connect the 4-pin TAPI cable to the TAPI expansion-card connector.
To locate the TAPI connector on the expansion card, see the
manufacturer’s documentation.
7Close the computer cover.
8Stand the computer upright.
9Reconnect the computer and devices to their electrical outlets, and
turn them on.
NOTE: If enabled, the Chassis Intrusion option will cause the following
message to be displayed at the next system start-up:
ALERT! Cover was previously removed.
10 Install the appropriate TSP for the TAPI device.
See the manufacturer’s documentation and your Windows
documentation for more information.
Installing a TAPI Sound Card
You can install a TAPI-compliant sound card that has a standard TAPI
connector. For example, you can connect your modem to the TAPI sound
card connector and then use the audio capabilities as a speakerphone.
CAUTION: Before you perform this procedure, see "Safety First—
For You and Your Computer."
NOTICE: Before disconnecting a device from the computer, wait 10 to 20
seconds after disconnecting the computer from its electrical outlet. Before
removing a component from the system board, verify that the standby power
light on the system board has turned off. To locate this light, see "System Board
Components" or the interior service label.
1Turn off the computer and devices, disconnect them from their
electrical outlets, and wait 10 to 20 seconds.
Advanced Features 61
2Lay the computer down on its right side.
3Open the computer cover.
4Install the TAPI-compliant expansion card.
See the manufacturer’s documentation for more information.
5Enter system setup, click Integrated Devices, and change the setting
for Sound to Off.
6Connect external audio devices to the sound card’s connectors. Do not
connect external audio devices to the microphone,
speaker/headphone, or line-in connectors on the computer back panel
(see "Back-Panel Features").
7Connect the 4-pin TAPI cable to the TAPI sound-card connector.
To locate the TAPI connector on the sound card, see the
manufacturer’s documentation.
8Connect the 4-pin TAPI cable to the TAPI expansion-card connector.
To locate the TAPI connector on the expansion card, see the
manufacturer’s documentation.
9Close the computer cover.
10 Stand the computer upright.
11 Reconnect the computer and devices to their electrical outlets, and
turn them on.
NOTE: If enabled, the Chassis Intrusion option will cause the following
message to be displayed at the next system start-up:
ALERT! Cover was previously removed.
12 Install the appropriate TSP for the TAPI devices.
See the manufacturer’s documentation and your Windows
documentation for more information.
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IEEE 1394 (FireWire)
FireWire is a high-speed data bus that is defined by IEEE Standard 1394-
1995. This protocol is a scalable, flexible, low-cost digital interface. It can
move large amounts of data between computers and peripheral devices,
using simplified cabling, hot-swapping, and transfer speeds up to 400 Mbps.
Because of the very high data rates that FireWire can handle, it is ideal for
use with multimedia devices such as digital video cameras and high-speed
hard drives and printers. FireWire speeds the transfer of multimedia data
and large files, enabling a PC to connect directly to digital consumer
products such as camcorders, video tape drives, video disks, high-resolution
scanners, and music systems.
Microsoft® Windows® 2000 and Windows XP support the IEEE 1394
standard, ensuring that OSs, drivers, and applications work properly with
any compliant hardware. Your computer provides a standard IEEE 1394
connector on both the front and back panels. See "Front View of the
Computer (Doors Open)" and "Back-Panel Features." This allows you use
multiple external IEEE 1394 devices with your computer.
The OHCI standards allow Windows 2000 and Windows XP to support
hard drives, CD and DVD drives, and other devices through the Serial Bus
Protocol (SBP-2) driver. SCSI class drivers can then use SBP-2 to
communicate with IEEE 1394 devices. For example, an IEEE 1394 CD
drive can be supported by SBP-2 and the existing SCSI driver architecture.
For more information on IEEE 1394, OHCI, and the SBP-2 driver, see your
Windows documentation.
Advanced Features 63
Power Management
Your computer can be set to use less power when you are not working. You
control the power usage through the OS installed on your computer and
certain option settings in system setup. These periods of reduced power are
called "sleep states":
•Standby. In this sleep state, power is reduced or turned off for most
components, including the cooling fans. However, system memory
remains active.
This state is not supported by Windows NT® 4.0.
NOTE: All components installed in the computer must support this
feature and have the appropriate drivers loaded to enter standby. For
more information, see the manufacturer’s documentation for each
component.
•Hibernate. This sleep state reduces power consumption to a minimum
by writing all data in system memory to a hard drive and then
removing system power. Waking up from this state restarts the
computer, and the memory contents are restored. Operation then
resumes where the computer left off when it entered the hibernation
state.
This state is not supported by Windows NT 4.0.
NOTE: All components installed in the computer must support this
feature and have the appropriate drivers loaded to enter hibernation. For
more information, see the manufacturer’s documentation for each
component.
•Shutdown. This sleep state removes all power from the computer
except a small auxiliary amount. As long as the computer remains
connected to an electrical outlet, it can be automatically or remotely
started. For example, the Auto Power On option in system setup
allows the computer to automatically start at a specified time. Also,
your network administrator can remotely start your computer using a
PME such as Remote Wake Up.
The following table lists the sleep states available for each operating system
and the methods you can use to wake the computer from each state.
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NOTE: For more information on power management, see your OS
documentation.
Power Management
Sleep State Wake-Up Methods
Windows® 2000 and
Windows XP Windows NT 4.0
Standby • Press the power button
• Auto power on
•PME
• Move or click the PS/2 mouse
• Move or click the USB mouse
• Type on the PS/2 keyboard
• Type on the USB keyboard
• USB device activity
Not supported
Hibernate • Press the power button
• Auto power on
•PME
Not supported
Shutdown • Press the power button
• Auto power on
•PME
• Press the power button
• Auto power on
•PME
Advanced Features 65
Dell System Utilities
If you received your computer from Dell with the OS preinstalled, Dell also
installed the system utilities. If you are reinstalling the OS, you also need to
reinstall the system utilities on your computer. The utilities are available on
the Dell ResourceCD and from the Dell support website. See "Finding
Information and Assistance" for more information.
AutoShutdown
The Dell AutoShutdown utility lets you perform an orderly system
shutdown and then turn off your computer after successfully closing the
OS. All this is done with a single touch of the power button. Additionally,
AutoShutdown works with some application programs to prompt you to
save your files before the computer turns off (such as Microsoft Word and
Excel).
NOTICE: The AutoShutdown utility is intended only for use in Windows NT®.
The functions of this utility are incorporated into Windows® 2000 and
Windows XP.
To verify whether the utility is installed and running under Windows NT,
open the Control Panel and double-click Services. If the AutoShutdown
service is installed and running, it is listed with the status Started.
Asset Tag
The Dell Asset Tag utility is an MS-DOS® program for displaying and
setting the system asset tag and system owner tag.
Auto Power On
The Dell Auto Power On utility is an MS-DOS program that can be used in
a batch file to determine how the system was turned on (by the power
button or by the Auto Power On option in system setup) or to turn off the
system from DOS.
NOTICE: The Auto Power On utility is intended only for use in MS-DOS.
Turning off the computer by using the autopwr.com utility in Windows NT can
cause loss of data.
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Computer Cover
• Opening the computer cover
• Closing the computer cover
Opening the Computer Cover
CAUTION: Before you perform this procedure, see "Safety First—
For You and Your Computer."
NOTICE: Before disconnecting a device from the computer, wait 10 to 20
seconds after disconnecting the computer from its electrical outlet. Before
removing a component from the system board, verify that the standby power
light on the system board has turned off. To locate this light, see "System Board
Components" or the interior service label.
1Turn off the computer and devices, disconnect them from their
electrical outlets, and wait 10 to 20 seconds.
2If you have installed a padlock through the padlock ring on the back
panel, remove the padlock.
3Lay the computer on its right side.
4Open the computer cover:
aSlide the cover release latch toward the top of the computer (see
the following figure).
bRaise the back of the cover, and pivot it toward the front of the
computer.
Removing and Installing Parts 69
Opening the Computer Cover
Closing the Computer Cover
1Check all cable connections, especially those that might have come
loose during your work. Fold cables out of the way so that they do not
obstruct the computer cover.
2Ensure that no tools or extra parts (including screws) are left inside the
computer.
3Close the computer cover by pivoting the cover down toward the back
of the chassis and into position. Ensure that the release latch clicks
into place (see the following figure).
NOTE: As you close the cover, hold the release latch to the left, in its
open position, and then slide the release latch to the right to latch the
cover to the chassis.
padlock ring
cover release latch
security cable slot
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Closing the Computer Cover
4Stand the computer upright.
5If you are using a padlock to secure your computer, install the padlock.
padlock ring
cover release latch
security cable slot
Removing and Installing Parts 71
Interior Service Label
A service label affixed to the inside of your computer cover provides
information about working inside your computer.
Interior Service Label
interior service label
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Computer Memory
• Computer memory installation guidelines
• Upgrading computer memory
• Removing a memory module
• Installing a memory module
• Removing memory riser boards
• Installing memory riser boards
Your computer supports dual-channel RDRAM RIMMs in 64-, 128-, 256-,
and 512-MB capacities. See "Computer Memory Installation Guidelines"
for instructions you must follow when installing memory modules.
To locate the memory sockets on the system board, see "System Board
Memory Components." To locate the memory sockets on the optional
memory riser boards, see "Memory Riser Board Components."
To reach the maximum 4-GB memory total, you must install the optional
memory riser boards and use eight 512-MB modules that each have a
maximum of 16 memory devices. See "Memory Module Label" for the
location of the label on a module that identifies the number of memory
devices it contains. You can also determine the number of memory devices
installed through the System Memory option in system setup.
NOTE: The computer does not support RIMMs with six memory devices.
NOTE: The optional memory riser boards only support PC800 memory
modules.
Removing and Installing Parts 73
Memory Module Label
System Board Memory Components
128MB/16 ECC xxx
number of memory
devices in RIMM
suspend-to-RAM (STR) light
pair 1 socket 1
socket 4
socket 3
socket 2
pair 2
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Memory Riser Board Components
Computer Memory Installation Guidelines
• System board installation
• Riser board installation
• Memory addresses
• Sample configurations
System Board Installation
When installing memory modules in the system board sockets and not using
the optional memory riser boards, observe the following guidelines:
•Each memory socket on the system board must be occupied either by a
RIMM or a CRIMM.
suspend-to-RAM
(STR) light
socket 4 pair 4
socket 4
socket 3 pair 3
socket 3
socket 2 pair 2
socket 2
socket 1 pair 1
socket 1
riser board A
suspend-to-RAM
light
riser board B
Removing and Installing Parts 75
•Memory sockets must be upgraded in matched pairs. In other words,
two sockets in a pair must contain modules of identical capacity,
number of components, and speed. See "System Board Memory
Components" to identify pairs of sockets.
•Mixed pairs of ECC and non-ECC modules all function as non-ECC.
•Be sure to install a RIMM in socket 1 first (closest to the processor)
before installing modules in the other sockets.
•The system board supports PC600 and PC800 memory modules.
Riser Board Installation
When installing memory modules using the optional memory riser boards,
observe the following guidelines:
•The memory riser boards must be installed in system board memory
sockets 1 and 2. Memory riser board A must be installed in system
board memory socket 1, and riser board B must be installed in system
board socket 2. System board memory sockets 3 and 4 can either be
empty or contain CRIMMs. Sockets 3 and 4 cannot contain RIMMs
with memory riser boards installed in sockets 1 and 2. See "System
Board Memory Components" to identify the system board sockets.
•Memory sockets on the riser boards must be upgraded in matched
pairs. In other words, two sockets in a pair must contain modules of
identical capacity, number of components, and speed. See "Memory
Riser Board Components" to identify pairs of sockets.
•Not all memory sockets on the memory riser boards need to be
populated: if one or more pairs of memory sockets contain RIMMs,
then the next pair must contain CRIMMs, and the remaining pair(s)
can be empty. For example, if the first and second pairs of memory
sockets on the riser boards contain RIMMs, then the third pair must
contain CRIMMs, and the fourth pair can remain empty.
•Mixed pairs of ECC and non-ECC modules all function as non-ECC.
•The optional memory riser boards only support PC800 memory
modules.
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Addressing Memory with 4-GB Configurations
If you use optional memory riser boards and eight, 512-MB RIMMs, you can
install 4 GB of physical computer memory. Current workstation-class OSs
(such as Microsoft® Windows NT®, Windows® 2000, and Windows XP)
can only utilize a maximum of 4 GB of address space. However, the amount
of memory available to the OS will be slightly less than 4 GB.
Certain components within the computer require address space in the 4-GB
range. Any address space reserved for these components cannot be used by
computer memory. The following is a list of some components that require
memory address space:
•System ROM
•APIC(s)
•Integrated PCI devices, such as the network adapter, SCSI controller,
and IEEE 1394 controller
•PCI and AGP expansion cards
•The AGP Aperture size specified in system setup
At system start-up, the BIOS identifies the components that require address
space. Starting at the highest end of the 4-GB range, it assigns those
addresses working downward. All remaining addresses are then available for
use by installed computer memory.
In other words, the BIOS dynamically calculates the amount of reserved
address space required. It then subtracts the reserved address space from
4 GB to determine the amount of usable address space:
•If the total installed computer memory is less than the usable address
space, all installed computer memory is available for use by the OS.
•If the total installed computer memory is equal to or greater than the
usable address space, a small portion of installed computer memory is
not available for use by the OS.
Removing and Installing Parts 77
Sample Configurations
Sample Configurations without Memory Riser Boards
Total Memory Socket 1 Socket 2 Socket 3 Socket 4
128 MB 64 MB 64 MB CRIMM CRIMM
256 MB 64 MB 64 MB 64 MB 64 MB
256 MB 128 MB 128 MB CRIMM CRIMM
384 MB 128 MB 128 MB 64 MB 64 MB
512 MB 128 MB 128 MB 128 MB 128 MB
512 MB 256 MB 256 MB CRIMM CRIMM
640 MB 256 MB 256 MB 64 MB 64 MB
768 MB 256 MB 256 MB 128 MB 128 MB
1024 MB 256 MB 256 MB 256 MB 256 MB
1024 MB 512 MB 512 MB CRIMM CRIMM
1152 MB 512 MB 512 MB 64 MB 64 MB
1280 MB 512 MB 512 MB 128 MB 128 MB
1536 MB 512 MB 512 MB 256 MB 256 MB
2048 MB 512 MB 512 MB 512 MB 512 MB
Sample Configurations with Memory Riser Boards
Total Memory Riser Board A Riser Board B
Socket 1 Socket 2 Socket 3 Socket 4 Socket 1 Socket 2 Socket 3 Socket 4
128 MB 64 MB CRIMM empty empty 64 MB CRIMM empty empty
256 MB 64 MB 64 MB CRIMM empty 64 MB 64 MB CRIMM empty
384 MB 64 MB 64 MB 64 MB CRIMM 64 MB 64 MB 64 MB CRIMM
512 MB 64 MB 64 MB 64 MB 64 MB 64 MB 64 MB 64 MB 64 MB
256 MB 128 MB CRIMM empty empty 128 MB CRIMM empty empty
512 MB 128 MB 128 MB CRIMM empty 128 MB 128 MB CRIMM empty
768 MB 128 MB 128 MB 64 MB 64 MB 128 MB 128 MB 64 MB 64 MB
1024 MB 128 MB 128 MB 128 MB 128 MB 128 MB 128 MB 128 MB 128 MB
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Upgrading Computer Memory
CAUTION: RIMMs can get very hot during normal operation. Be
sure that the RIMMs have had sufficient time to cool before you
touch them.
CAUTION: Before you perform this procedure, see "Safety First—
For You and Your Computer."
NOTICE: Before disconnecting a device from the computer, wait 10 to 20
seconds after disconnecting the computer from its electrical outlet. Before
removing a component from the system board, verify that the standby power
light on the system board has turned off. To locate this light, see "System Board
Components" or the interior service label.
1Turn off the computer and devices, disconnect them from their
electrical outlets, and wait 10 to 20 seconds.
2Lay the computer on its right side.
3Open the computer cover.
4To access system board memory sockets, remove the microprocessor
airflow shroud.
512 MB 256 MB CRIMM empty empty 256 MB CRIMM empty empty
1024 MB 256 MB 256 MB CRIMM empty 256 MB 256 MB CRIMM empty
1280 MB 256 MB 256 MB 64 MB 64 MB 256 MB 256 MB 64 MB 64 MB
1536 MB 256 MB 256 MB 128 MB 128 MB 256 MB 256 MB 128 MB 128 MB
2048 MB 256 MB 256 MB 256 MB 256 MB 256 MB 256 MB 256 MB 256 MB
1024 MB 512 MB CRIMM empty empty 512 MB CRIMM empty empty
2048 MB 512 MB 512 MB CRIMM empty 512 MB 512 MB CRIMM empty
2304 MB 512 MB 512 MB 64 MB 64 MB 512 MB 512 MB 64 MB 64 MB
2560 MB 512 MB 512 MB 128 MB 128 MB 512 MB 512 MB 128 MB 128 MB
3072 MB 512 MB 512 MB 256 MB 256 MB 512 MB 512 MB 256 MB 256 MB
4096 MB 512 MB 512 MB 512 MB 512 MB 512 MB 512 MB 512 MB 512 MB
Sample Configurations with Memory Riser Boards
(continued)
Total Memory Riser Board A Riser Board B
Socket 1 Socket 2 Socket 3 Socket 4 Socket 1 Socket 2 Socket 3 Socket 4
Removing and Installing Parts 79
5If necessary, remove memory modules that occupy system board
sockets in which you plan to install upgrade modules.
6If you have the optional memory riser boards installed and you plan to
install upgrade modules on the riser boards, remove the riser boards.
7Install the upgrade modules in system board or riser board sockets.
NOTE: See "Computer Memory Installation Guidelines."
NOTE: Without the optional memory riser boards installed, the computer
supports a maximum of 64 memory devices on all installed RIMMs. With
the memory riser boards installed, the computer supports up to 128
memory devices (64 devices on each riser board). See "Memory Module
Label" for the location of the label on the RIMM that identifies the
number of memory devices it contains. You can also determine the number
of memory devices installed through the System Memory option in system
setup.
8If you removed the memory riser boards, install the riser boards.
9Close the computer cover.
10 Stand the computer upright.
11 Reconnect the computer and devices to their electrical outlets, and
turn them on.
NOTE: If enabled, the Chassis Intrusion option will cause the following
message to be displayed at the next system start-up:
ALERT! Cover was previously removed.
The computer detects that the new memory does not match the
existing system configuration information and generates the following
message:
The amount of system memory has changed.
Strike the F1 key to continue, F2 to run the setup
utility
12 Enter system setup, and check the value for System Memory. The
computer should have already changed the value of System Memory
to reflect the newly installed memory. If the new total is correct, skip to
step 14.
13 If the memory total is incorrect, repeat step 1 through step 3. Check
the installed modules and riser boards to ensure that they are seated
properly in their sockets. Then repeat step 9 through step 12.
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14 When the System Memory total is correct, exit system setup.
15 Run the Dell Diagnostics to verify that the memory modules are
operating properly.
Removing a Memory Module
NOTICE: Before disconnecting a device from the computer, wait 10 to 20
seconds after disconnecting the computer from its electrical outlet. Before
removing a component from the system board, verify that the standby power
light on the system board has turned off. To locate this light, see "System Board
Components" or the interior service label.
NOTICE: To avoid damage to the memory module, press the securing clips
with equal force applied at each end of the memory socket.
1Press the securing clips at each end of the memory socket outward
simultaneously until the module pops out slightly from the socket (see
the following figure).
NOTE: To access the securing clips on the system board memory sockets,
it may be necessary to remove the fan for microprocessor 0. For
instructions on removing and installing the processor fan, see the
Service
Manual
.
2Lift the module away from the socket.
Removing a Memory Module
securing clips (2)
memory socket
Removing and Installing Parts 81
Installing a Memory Module
1Press the securing clips at each end of the socket outward until they
snap open (see the following figure).
2Align the slots on the bottom of the module with the ridges inside the
socket.
NOTICE: To avoid damage to the memory module, press the module straight
down into the socket with equal force applied at each end of the module.
3Press the module straight down into the socket until the securing clips
snap into place at the ends of the module.
Installing a Memory Module
Removing Memory Riser Boards
NOTICE: Before disconnecting a device from the computer, wait 10 to 20
seconds after disconnecting the computer from its electrical outlet. Before
removing a component from the system board, verify that the standby power
light on the system board has turned off. To locate this light, see "System Board
Components" or the interior service label.
1Remove the microprocessor airflow shroud.
2Remove the memory riser board retention bracket (see the following
figure).
slots (2)
securing clips (2)
memory socket
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aLift the retention bracket up to disengage it from the chassis.
bLift the bracket away from the chassis.
NOTICE: To avoid damage to the memory riser board, press the securing clips
with equal force applied at each end of the memory socket.
3Remove memory riser board A:
NOTE: To access the securing clips on the system board memory sockets,
it may be necessary to remove the fan for microprocessor 0. For
instructions on removing and installing the processor fan, see the
Service
Manual
.
aPress the securing clips of system board memory socket 1 outward
simultaneously until riser board A pops out slightly from the
socket.
bLift riser board A away from the retention brackets on riser board
B.
4Remove memory riser board B:
aPress the securing clips of system board memory socket B outward
simultaneously until riser board B pops out slightly from the
socket.
bLift riser board B away from socket 2.
Removing and Installing Parts 83
Removing Memory Riser Boards
memory riser board
retention bracket
memory riser
board B
system board
memory riser
board A
securing clips (2)
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Installing Memory Riser Boards
NOTICE: System board memory sockets 3 and 4 can either be empty or
contain CRIMMs. Sockets 3 and 4 cannot contain RIMMs with memory riser
boards installed in sockets 1 and 2.
1If any RIMMs occupy memory sockets on the system board, remove
those modules.
To locate the memory sockets on the system board, see "System Board
Memory Components."
NOTICE: To avoid damage to the memory riser board, press the riser board
straight down into the socket with equal force applied at each end of the riser
board.
2Install memory riser board B (see the following figure):
aAlign the slots on the bottom of riser board B with the ridges
inside memory socket 2 on the system board.
The memory sockets on the riser board will face away from the
microprocessor(s).
bPress riser board B straight down into socket 2 until the securing
clips snap into place at the ends of the riser board.
3Install memory riser board A:
aAlign the edges of riser board A with the retention brackets on riser
board B.
bAlign the slots on the bottom of riser board A with the ridges
inside memory socket 1 on the system board.
The memory sockets on the riser board will face away from the
microprocessor(s).
cPress riser board A straight down into socket 1 until the securing
clips snap into place at the ends of the riser board.
4Install the memory riser board retention bracket:
aLower the bracket to the chassis so that the two bracket tabs insert
into the chassis slots.
bPress the bracket straight down until it is secured in the chassis.
Removing and Installing Parts 85
Installing Memory Riser Boards
memory riser board
retention bracket
memory riser
board B
system board
memory riser
board A
memory sockets (4)
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Disk Drives and Media
• Installing a CD, zip, or other externally accessible drive
• Installing a hard drive
• EIDE device installation guidelines
• SCSI device installation guidelines
Your computer provides the following drive bays:
•One 3.5-inch diskette drive.
•Externally accessible drive bay: holds up to three 5.25-inch (1.6-inch
high) externally accessible drives or up to two 5.25-inch (1.6-inch
high) externally accessible drives and one 3.5-inch (1-inch high) hard
drive.
NOTE: The bottom externally accessible drive bay does not support a
3.5-inch, 1.6-inch high hard drive.
•Hard drive bay: holds up to three 3.5-inch hard drives. The bay can
hold three 1-inch-high drives, two 1-inch-high drives and one 1.6-inch-
high drive, or two 1.6-inch-high drives.
See "Drive Types" for examples of these drives.
Removing and Installing Parts 87
Drive Types
diskette drive
5.25-inch drive 2 (1.6-inch high)
3.5-inch drive 3 (1-inch high)
3.5-inch drive 2 (1-inch high, or
1.6-inch high)
3.5-inch drive 1 (1.6-inch high)
5.25-inch drive 1 (1.6-inch high)
5.25-inch drive 3 (1.6-inch high)
or 3.5-inch drive 4 (1-inch high)
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Installing a CD, Zip, or Other Externally Accessible Drive
NOTE: If you are replacing a hard drive that contains data you want to keep,
be sure to back up your files before you begin this procedure.
CAUTION: Before you perform this procedure, see "Safety First—
For You and Your Computer."
NOTICE: Before disconnecting a device from the computer, wait 10 to 20
seconds after disconnecting the computer from its electrical outlet. Before
removing a component from the system board, verify that the standby power
light on the system board has turned off. To locate this light, see "System Board
Components" or the interior service label.
1Turn off the computer and devices, disconnect them from their
electrical outlets, and wait 10 to 20 seconds.
2Lay the computer on its right side.
3Open the computer cover.
4If you are replacing a drive that is already installed in the computer,
continue with step 5. If you are installing a new drive, go to step 7.
5Disconnect the DC power cable and interface cable from the back of
the drive you are replacing.
6Remove the drive from the chassis drive bay.
aSqueeze together the tabs at each side of the drive to disengage
the drive bracket from the chassis.
bSlide the drive bracket upward, and remove it from the chassis (see
the following figures).
Removing and Installing Parts 89
Removing an Externally-Accessible Drive
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Removing the Diskette Drive
7Unpack the replacement drive and prepare it for installation.
NOTICE: Ground yourself by touching an unpainted metal surface on the
back of the computer.
See the documentation that accompanied the drive to verify that the
drive is configured for your computer. Change any settings necessary
for your configuration.
Removing and Installing Parts 91
8If the replacement drive does not have bracket rails attached, remove
the rails from the old drive by removing the four screws that secure the
rails to the drive. Then attach the bracket rails to the replacement
drive (see the following figure).
NOTE: If you are not replacing an existing drive and the new drive does
not have bracket rails attached, install the extra rail set that is located
inside your computer in an empty drive bay.
Attaching Bracket Rails for an Externally Accessible Drive
9Slide the drive/bracket assembly into the drive bay until both drive
bracket tabs snap securely into place (see the following figure).
bracket rails (2)
screws (4)
drive
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Installing an Externally-Accessible Drive
Removing and Installing Parts 93
Installing the Diskette Drive
10 If you are installing a drive that has its own controller card, install the
controller card in an expansion slot.
See the documentation that accompanied the drive and controller
card to verify that the configuration is correct for your computer.
Change any settings necessary for correct configuration.
11 Connect the cables to the drive. See "Attaching Cables for an
Externally Accessible Drive."
• Connect a DC power cable to the power input connector on the
back of the drive.
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• Connect the appropriate interface cable to the interface connector
on the back of the drive.
If you are installing an EIDE or SCSI drive and you have another
drive of the same type in the computer, you can use the spare
connector on the interface cable for the existing drive. Otherwise,
use the interface cable provided with the new drive.
• If the drive has audio output capability, such as a CD drive,
connect the audio cable to the audio connector on the back of the
drive.
NOTE: The system board will support only one drive audio cable.
12 Connect the interface cable(s) to the system board or a controller card,
depending on the type of drive you are installing. See "Attaching
Cables for an Externally Accessible Drive."
NOTE: To locate system board drive connectors, see "System Board
Components" or the interior service label.
NOTICE: To avoid possible damage, you must match the colored strip on the
interface cable with pin 1 on both the drive and system board connectors.
NOTICE: To avoid possible damage, ensure that drive cables are secured in
the cable retainer and in the drive bay cable clips. See "Attaching Cables for an
Externally Accessible Drive" and "Attaching Cables for the Diskette Drive."
• For a diskette drive or non-EIDE tape drive, connect the drive
interface cable to the diskette connector on the system board.
• For an EIDE CD, zip, or tape drive, connect the drive interface
cable to the secondary EIDE connector on the system board. For
more information, see "EIDE Device Installation Guidelines."
• For an EIDE hard drive, connect the drive interface cable to the
primary EIDE connector on the system board. For more
information, see "EIDE Device Installation Guidelines."
• For a SCSI drive, connect the drive interface cable to the SCSI
connector on system board. For more information, see "SCSI
Device Installation Guidelines."
• For a drive that comes with its own controller card, connect the
drive interface cable to the controller card.
Removing and Installing Parts 95
• For a drive that has audio output capability, such as a CD drive,
connect the audio cable to the audio (CD input) connector on the
system board.
Attaching Cables for an Externally Accessible Drive
DC power cable
drive interface cable
secondary EIDE
system board connector
LVD SCSI system
board connector
cable clips (2)
cable retainer
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Attaching Cables for the Diskette Drive
13 Ensure that all cables are firmly connected. Fold cables out of the way
to provide airflow for the fan and cooling vents.
diskette system
board connector
DC power cable
drive interface cable
cable clips (2)
cable retainer
Removing and Installing Parts 97
14 If the drive bay was previously empty, remove the corresponding insert
from the front panel.
From inside the cover, press the ends of the insert outward with your
finger until the insert snaps free of the front panel.
NOTE: If you are installing a hard drive, do not remove the drive bay
insert.
15 Close the computer cover.
16 Stand the computer upright.
17 Reconnect the computer and devices to their electrical outlets, and
turn them on.
NOTE: If enabled, the Chassis Intrusion option will cause the following
message to be displayed at the next system start-up:
ALERT! Cover was previously removed.
18 Enter system setup and update your drive configuration information:
• If you installed a diskette drive, update the Diskette Drive A
option to enable your new diskette drive.
• If you installed an EIDE CD, zip, or tape drive, set the appropriate
Drive option (0 or 1) under Secondary Drives to Auto.
• If you installed a hard drive, update the drive settings under
Primary Drives.
After you update the system settings, exit system setup and reboot the
computer.
19 If you installed a hard drive, partition and logically format the drive
before proceeding to the next step.
See the operating system’s documentation for instructions.
20 Test the drive to verify that it is operating properly.
• If the drive you installed is a hard drive, run the Dell Diagnostics
to test the drive.
• For other types of drives, see the drive’s documentation for
information on testing the drive.
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NOTE: Tape drives sold by Dell come with their own operating software
and documentation. After you install a tape drive, refer to the
documentation that came with the drive for instructions on installing and
using the tape drive software.
Installing a Hard Drive
NOTE: If you are replacing a hard drive that contains data you want to keep,
be sure to back up your files before you begin this procedure.
CAUTION: Before you perform this procedure, see "Safety First—
For You and Your Computer."
NOTICE: Before disconnecting a device from the computer, wait 10 to 20
seconds after disconnecting the computer from its electrical outlet. Before
removing a component from the system board, verify that the standby power
light on the system board has turned off. To locate this light, see "System Board
Components" or the interior service label.
1Turn off the computer and devices, disconnect them from their
electrical outlets, and wait 10 to 20 seconds.
2Lay the computer on its right side.
3Open the computer cover.
4If you are replacing a drive that is already installed in the computer,
continue with step 5. If you are installing a new drive, go to step 7.
5Disconnect the DC power cable and interface cable from the back of
the drive you are replacing.
6Remove the drive from the chassis drive bay.
aSqueeze together the tabs at each side of the drive to disengage
the drive bracket from the chassis.
bSlide the drive bracket upward, and remove it from the chassis (see
the following figure).
Removing and Installing Parts 99
Removing a Hard Drive
7Unpack the replacement drive and prepare it for installation.
NOTICE: Ground yourself by touching an unpainted metal surface on the
back of the computer.
See the documentation that accompanied the drive to verify that the
drive is configured for your computer. Change any settings necessary
for your configuration.
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8If the replacement drive does not have bracket rails attached, remove
the rails from the old drive by removing the four screws that secure the
rails to the drive. Then attach the bracket rails to the replacement
drive (see the following figure).
NOTE: If you are not replacing an existing drive and the new drive does
not have bracket rails attached, install the extra rail set that is located
inside your computer in an empty drive bay.
Attaching Bracket Rails for a Hard Drive
9Slide the drive/bracket assembly into the drive bay until both drive
bracket tabs snap securely into place (see the following figure).
bracket rails (2)
screws (4)
drive
Removing and Installing Parts 101
Installing a Hard Drive
10 If you are installing a drive that has its own controller card, install the
controller card in an expansion slot.
See the documentation that accompanied the drive and controller
card to verify that the configuration is correct for your computer.
Change any settings necessary for correct configuration.
11 Connect the cables to the drive. See "Attaching Cables for a Hard
Drive."
• Connect a DC power cable to the power input connector on the
back of the drive.
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• Connect the appropriate interface cable to the interface connector
on the back of the drive.
If you are installing an EIDE or SCSI drive and you have another
drive of the same type in the computer, you can use the spare
connector on the interface cable for the existing drive. Otherwise,
use the interface cable provided with the new drive.
12 Connect the interface cable(s) to the system board or a controller card,
depending on the type of drive you are installing. See "Attaching
Cables for a Hard Drive."
NOTE: To locate system board drive connectors, see "System Board
Components" or the interior service label.
NOTICE: To avoid possible damage, you must match the colored strip on the
interface cable with pin 1 on both the drive and system board connectors.
• For an EIDE hard drive, connect the drive interface cable to the
primary EIDE connector on the system board. For more
information, see "EIDE Device Installation Guidelines."
• For a SCSI hard drive, connect the drive interface cable to the
SCSI connector on system board. For more information, see "SCSI
Device Installation Guidelines."
• For a drive that comes with its own controller card, connect the
drive interface cable to the controller card.
Removing and Installing Parts 103
Attaching Cables for a Hard Drive
13 Ensure that all cables are firmly connected. Fold cables out of the way
to provide airflow for the fan and cooling vents.
DC power cable
primary EIDE
system board connector LVD SCSI system
board connector
drive interface cable
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14 If the drive bay was previously empty, remove the corresponding insert
from the front panel.
From inside the cover, press the ends of the insert outward with your
finger until the insert snaps free of the front panel.
NOTE: If you are installing a hard drive, do not remove the drive bay
insert.
15 Close the computer cover.
16 Stand the computer upright.
17 Reconnect the computer and devices to their electrical outlets, and
turn them on.
NOTE: If enabled, the Chassis Intrusion option will cause the following
message to be displayed at the next system start-up:
ALERT! Cover was previously removed.
18 Enter system setup and update your drive configuration information.
After you update the system settings, exit system setup and reboot the
computer.
19 Partition and logically format the drive before proceeding to the next
step.
See the operating system’s documentation for instructions.
20 Run the Dell Diagnostics to test the drive.
21 If the hard drive you installed is the primary drive, install the operating
system on the drive.
See the operating system’s documentation for instructions.
Removing and Installing Parts 105
EIDE Device Installation Guidelines
Jumper Settings
All EIDE drives should be configured for the Cable Select jumper position,
which assigns master and slave status to drives by their position on the
interface cable. When two EIDE drives are connected to a single EIDE
interface cable and are configured for the Cable Select jumper position, the
drive attached to the last connector on the interface cable is the master, or
boot device (drive 0), and the device attached to the middle connector on
the interface cable is the slave device (drive 1). Refer to the documentation
in your drive upgrade kit for information on setting devices to the Cable
Select jumper position.
General Guidelines
With the two EIDE interface connectors on the system board, your
computer can support up to four EIDE drives:
•The primary EIDE system-board connector should be cabled to EIDE
hard drives
•The secondary EIDE connector should be cabled to EIDE CD, DVD,
tape, DAT, and zip drives
To locate the EIDE interface connectors on the system board, see "System
Board Components" or the interior service label. Each EIDE interface
connector on the system board supports the following:
•Two channels, master and slave
•LBA
•PIO Mode 3 and Mode 4
•UDMA Mode 3, Mode 4, and Mode 5
•Ultra ATA/100 (backward-compatible with ATA/66 and ATA/33)
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EIDE Cables
To transfer data at full speed, Ultra ATA/100 hard drives require an 80-
conductor cable like that used with ATA/66 drives. The 80-conductor cable
has a 40-pin connector like the ATA/33 cable, but it has twice as many wires
within the cable. If you use an ATA/33 cable with Ultra ATA/100 hard drives,
the drives will operate properly, but data will transfer at ATA/33 speeds.
NOTICE: Dell recommends that you use only EIDE cables purchased from
Dell. Cables purchased elsewhere are not guaranteed to work with Dell
computers.
SCSI Device Installation Guidelines
This section describes how to configure and install SCSI devices in your
computer. To install a SCSI device, you can use one or both of the following
SCSI controllers:
•The SCSI connector on the system board. To locate the SCSI system
board connector, see "System Board Components" or the interior service
label.
NOTE: The system board SCSI controller will support hard drives only.
Do not connect CD or DVD drives, tape drives, DAT drives, and so on.
•A SCSI controller card installed in your computer.
SCSI ID Numbers
Internal SCSI devices must have a unique SCSI ID number from 0 to 15. If
you are using the SCSI connector on the system board and a SCSI
controller card installed in your computer, you will have two separate SCSI
buses operating. Each SCSI bus will have a set of SCSI ID numbers from 0
to 15.
When SCSI devices are shipped from Dell, the default SCSI ID numbers
for are assigned as follows:
Removing and Installing Parts 107
SCSI devices installed by Dell are configured correctly during the
manufacturing process. You do not need to set the SCSI ID for these SCSI
devices.
If you attach additional optional SCSI devices, refer to the documentation
for each device for information about setting the appropriate SCSI ID
number.
NOTICE: Dell recommends that you use only SCSI cables purchased from
Dell. Cables purchased elsewhere are not guaranteed to work with Dell
computers.
Device Termination
SCSI logic requires that termination be enabled for the two devices at
opposite ends of the SCSI chain and disabled for all devices in between.
Dell recommends that you use terminated cables and that you disable
termination on all devices. See the documentation provided with any
optional SCSI device you purchase for information on disabling
termination on the device.
General Guidelines
Follow these general guidelines when installing SCSI devices in your
computer:
Default SCSI ID Settings
System Board Controller Controller Card
Device ID Device ID
Controller 7Controller 7
Boot hard drive 0 Boot hard drive 0
CD or DVD drive 5
tape or DAT drive 6
NOTE: There is no requirement that SCSI ID numbers be assigned sequentially or
that devices be attached to the cable in order by ID number.
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•Although you install SCSI devices essentially the same way as other
devices, their configuration requirements are different. For details on
configuring your particular SCSI subsystem, refer to the
documentation for your SCSI devices and/or your host adapter card.
•Configure the device for a SCSI ID number and disable termination, if
necessary.
•To use an external SCSI device, you must have a SCSI controller card
installed in your computer. Connect one end of the external SCSI
cable to the connector on the back of the SCSI device. Attach the
other end of the external SCSI cable to the connector on the controller
card installed in the computer.
•After installing a SCSI hard drive, Primary Drive 0 and Primary Drive
1 should be set to None in system setup if no EIDE hard drives are
installed. If you have any EIDE devices on the second EIDE channel,
such as a CD or tape drive, Secondary Drive 0 and/or Secondary Drive
1 should be set to Auto.
•You may need to use programs other than those provided with the
operating system to partition and format SCSI hard drives. Refer to
the documentation that came with your SCSI software drivers for
information on installing the appropriate drivers and preparing your
SCSI hard drive for use.
SCSI Cables
Ultra 160/m and Ultra2/Wide LVD drives (typically hard drives) both use a
68-pin cable. One end of the cable attaches to the SCSI connector on the
system board or the SCSI controller card installed in your computer. The
remaining connectors on the cable attach to the various drives.
Narrow SCSI drives (tape drives, CD drives, and some hard drives) use a
50-pin cable. One end of this cable attaches to the SCSI controller card.
The remaining connectors on the cable attach to the various Narrow SCSI
devices.
NOTICE: Dell recommends that you use only SCSI cables purchased from
Dell. Cables purchased elsewhere are not guaranteed to work with Dell
computers.
Removing and Installing Parts 109
Expansion Cards
• Installing an expansion card
• Removing an expansion card
Your computer provides expansion slots for the following cards:
•Up to three 32-bit, 33-MHz PCI cards.
•Up to two 64-bit, 66-MHz PCI expansion cards.
•One 32-bit AGP card. The expansion slot supports AGP 4x or 2x
Pro110 modes operating at 1.5 V.
See "Expansion Card Types" for examples of these cards.
NOTE: To meet PC99 Workstation requirements, your Dell™ computer does
not support ISA expansion cards. This is an industry standard for ease-of-use.
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Expansion Card Types
NOTE: The AGP expansion slot only supports 1.5-V cards.
32-bit PCI card
64-bit PCI card
AGP 4x card
AGP 4x Pro card
Removing and Installing Parts 111
System Board Expansion Card Components
NOTE: Install only 66-MHz expansion cards in the 66-MHz slots. You can
install 33-MHz cards in the 66-MHz slots. However, the entire bus, including
the integrated SCSI controller, will operate at only 33 MHz.
Installing an Expansion Card
CAUTION: Before you perform this procedure, see "Safety First—
For You and Your Computer."
NOTICE: Before disconnecting a device from the computer, wait 10 to 20
seconds after disconnecting the computer from its electrical outlet. Before
removing a component from the system board, verify that the standby power
light on the system board has turned off. To locate this light, see "System Board
Components" or the interior service label.
1Turn off the computer and devices, disconnect them from their
electrical outlets, and wait 10 to 20 seconds.
2Lay the computer on its right side.
3Open the computer cover.
4Press the lever on the expansion card retention arm and raise the
retention arm (see the following figure).
AGP connector
PCI connector 1
PCI connector 2
PCI connector 3
PCI connector 4
PCI connector 5
32-bit,
33 MHz
64-bit,
66 MHz
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Raising the Expansion Card Retention Arm
5If you are installing a new expansion card, remove the filler bracket for
an empty card-slot opening. Then continue with step 7.
6If you are replacing an expansion card that is already installed in the
computer, remove the expansion card.
If necessary, disconnect any cables connected to the card. Grasp the
card by its top corners, and ease it out of its connector.
7Prepare the new expansion card for installation.
See the documentation that came with the expansion card for
information on configuring the card, making internal connections, or
otherwise customizing it for your computer.
expansion
card
card connector
card bracket
card retention arm
Removing and Installing Parts 113
CAUTION: Some network adapters automatically start the
computer when they are connected to a network. To guard against
electrical shock, be sure to unplug your computer from its
electrical outlet before installing any expansion cards and verify
that the standby power light on the system board has turned off.
To locate this light, see "System Board Components" or the
interior service label.
8Insert the expansion card into the expansion-card connector.
If the expansion card is full-length, insert the end of the card into the
expansion-card guide bracket as you lower the card toward its
connector on the system board. Insert the card firmly into the
expansion-card connector on the system board (see the following
figure).
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Installing an Expansion Card
9Lower the expansion card retention arm and press it into place,
securing the expansion card(s) in the chassis.
10 Connect any cables that should be attached to the card.
See the documentation for the card for information about the card's
cable connections.
NOTICE: Do not route expansion card cables over or behind the expansion
cards. Cables routed over the expansion cards can prevent the computer cover
from closing properly or cause damage to the equipment. Cables routed toward
the rear of the expansion cards can prevent proper airflow from the expansion-
card cooling fan.
11 Close the computer cover.
expansion
card
card connector
card retention arm
Removing and Installing Parts 115
12 Stand the computer upright.
13 Reconnect the computer and devices to their electrical outlets, and
turn them on.
NOTE: If enabled, the Chassis Intrusion option will cause the following
message to be displayed at the next system start-up:
ALERT! Cover was previously removed.
14 If you installed a sound card, perform the following steps:
aEnter system setup, select Integrated Devices and change the
setting for Sound to Off.
bConnect external audio devices to the sound card’s connectors.
Do not connect external audio devices to the microphone,
speaker/headphone, or line-in connectors on the computer back
panel (see "Back-Panel Features").
15 If you installed an add-in network adapter, perform the following steps:
aEnter system setup, select Integrated Devices and change the
setting for Network Interface Card to Off.
bConnect the network cable to the add-in network adapter’s
connectors. Do not connect the network cable to the integrated
connector on the computer back panel (see "Back-Panel
Features").
Removing an Expansion Card
CAUTION: Before you perform this procedure, see "Safety First—
For You and Your Computer."
NOTICE: Before disconnecting a device from the computer, wait 10 to 20
seconds after disconnecting the computer from its electrical outlet. Before
removing a component from the system board, verify that the standby power
light on the system board has turned off. To locate this light, see "System Board
Components" or the interior service label.
1Turn off the computer and devices, disconnect them from their
electrical outlets, and wait 10 to 20 seconds.
2Lay the computer down on its right side.
3Open the computer cover.
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4Press the lever on the expansion card retention arm and raise the
retention arm (see "Raising the Expansion Card Retention Arm").
5If necessary, disconnect any cables connected to the card.
6Grasp the card by its top corners, and ease it out of its connector.
7If you are removing the card permanently, install a filler bracket in the
empty card-slot opening.
If you need a filler bracket, contact Dell and order part number 81808.
NOTE: Installing filler brackets over empty card-slot openings is
necessary to maintain FCC certification of the computer. The brackets
also keep dust and dirt out of your computer.
8Lower the expansion card retention arm and press it into place,
securing the expansion card(s) in the chassis.
9Close the computer cover.
10 Stand the computer upright.
11 Reconnect the computer and devices to their electrical outlets, and
turn them on.
NOTE: If enabled, the Chassis Intrusion option will cause the following
message to be displayed at the next system start-up:
ALERT! Cover was previously removed.
12 If you removed a sound card, perform the following steps:
aEnter system setup, select Integrated Devices and change the
setting for Sound to On.
bConnect external audio devices to the audio connectors on the
computer back panel (see "Back-Panel Features").
13 If you removed an add-in network adapter, perform the following steps:
aEnter system setup, select Integrated Devices and change the
setting for Network Interface Card to On.
bConnect the network cable to the integrated connector on the
computer back panel (see "Back-Panel Features").
Removing and Installing Parts 117
Microprocessor Airflow Shroud
• Removing the microprocessor airflow shroud
• Installing the microprocessor airflow shroud
Removing the Microprocessor Airflow Shroud
CAUTION: Before you perform this procedure, see "Safety First—
For You and Your Computer."
NOTICE: Before disconnecting a device from the computer, wait 10 to 20
seconds after disconnecting the computer from its electrical outlet. Before
removing a component from the system board, verify that the standby power
light on the system board has turned off. To locate this light, see "System Board
Components" or the interior service label.
1Turn off the computer and devices, disconnect them from their
electrical outlets, and wait 10 to 20 seconds.
2Lay the computer on its right side.
3Open the computer cover.
4Remove the airflow shroud:
• Press down and back on the indentations at the top corners of the
shroud.
The top anchor tabs will disengage from the chassis anchor slots.
See the following figure.
• Lift the airflow shroud out of the chassis.
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Removing the Microprocessor Airflow Shroud
Installing the Microprocessor Airflow Shroud
1Install the airflow shroud:
• Insert the bottom anchor tabs of the shroud into the chassis
anchor slots.
• Press the shroud toward the chassis until the top anchor tabs on
the shroud snap securely into place. See "Removing the
Microprocessor Airflow Shroud."
2Close the computer cover.
3Stand the computer upright.
airflow shroud
bottom anchor tabs (2)
top anchor tabs (2)
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Microprocessor
• Installation guidelines
•Upgrading the microprocessor(s)
Installation Guidelines
•A VRM must be installed for each microprocessor installed. To locate
the VRM and microprocessor sockets, see "System Board
Components" or the interior service label.
•For single-processor operations, the processor must be installed in
socket 0 and the VRM must be installed in connector 0. Processor
socket 1 and VRM connector 1 must be empty. To locate these
components, see "System Board Components" or the interior service
label.
•For dual-processor operations, both processor sockets and both VRM
connectors must be populated.
•For dual-processor operations, the two processors and the two VRMs
must be identical. If the processors do not match, you receive a system
message, the diagnostic lights indicate an error, and the computer may
not startup. If the VRMs do not match, the diagnostic lights will
indicate an error.
•If installing a Dell processor upgrade kit for either single or dual
processors, remove and discard the original VRM(s). Then install the
VRM(s) from the upgrade kit. If you are not installing a processor
upgrade kit from Dell, reuse the original VRM(s).
•If you are upgrading your microprocessor, keep your original
microprocessor heat sink and securing clips for future trouble-
shooting.
Upgrading the Microprocessor(s)
NOTE: Dell recommends that only a technically knowledgeable person
perform this procedure.
CAUTION: The processor can get very hot during normal
operation. Be sure that the processor has had sufficient time to
cool before you touch it.
Removing and Installing Parts 121
CAUTION: Before you perform this procedure, see "Safety First—
For You and Your Computer."
NOTICE: Before disconnecting a device from the computer, wait 10 to 20
seconds after disconnecting the computer from its electrical outlet. Before
removing a component from the system board, verify that the standby power
light on the system board has turned off. To locate this light, see "System Board
Components" or the interior service label.
1Remove the microprocessor airflow shroud.
2Remove the microprocessor heat sink:
aFor each of the metal clips that secure the heat sink to the
microprocessor, press down on the clip’s latch to release it from
the heat-sink retention base. Then lift the clip away from the heat
sink (see the following figure).
bLift the heat sink away from the microprocessor.
NOTE: If you are upgrading your microprocessor, keep your original
microprocessor heat sink and securing clips for future trouble-shooting.
NOTE: Your microprocessor upgrade kit should include a replacement
microprocessor heat sink and two replacement securing clips.
NOTICE: If you are
not
installing a microprocessor upgrade kit from Dell,
reuse the original heat sink and securing clips when replacing the
microprocessor.
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Removing the Microprocessor Heat Sink
3Remove the microprocessor from its connector.
Your microprocessor uses a ZIF socket with a lever-type handle that
secures or releases the microprocessor.
To remove the microprocessor, pull the socket lever up until the
microprocessor is released. Then remove the microprocessor from the
socket (see the following figure).
securing clip
latch
heat sink
retention base
microprocessor socket
securing clip
latch
Removing and Installing Parts 123
Removing the Microprocessor
4Install the new microprocessor in the socket:
aEnsure that the lever on the microprocessor socket is fully
extended to the release position.
NOTICE: When you place the microprocessor in the socket, ensure that the
microprocessor aligns properly with the socket. To avoid damage, you must
position the microprocessor correctly in the socket.
bAlign pin 1 of the new microprocessor with pin 1 of the socket.
NOTE: Pin 1 of the microprocessor is indicated by a small triangle in one
corner of the microprocessor. Pin 1 of the socket is indicated by a small
triangle in one corner of the socket. See "Installing the Microprocessor."
NOTICE: The microprocessor pins are delicate. To avoid damage, ensure that
the microprocessor aligns properly with the socket, and do not use excessive
force when installing the processor.
cCarefully set the microprocessor in the socket and press it down
lightly to seat it.
microprocessor
microprocessor socket
socket lever
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dRotate the socket lever back toward the socket until it snaps into
place, securing the microprocessor.
Installing the Microprocessor
5Install the replacement microprocessor heat sink:
NOTICE: If you are
not
installing a microprocessor upgrade kit from Dell,
reuse the original heat sink and securing clips when replacing the
microprocessor.
aRemove the film covering the thermal grease on the bottom of the
heat sink.
bLower the heat sink to the microprocessor so that the heat sink fits
in the heat sink retention base.
microprocessor
pin-1 indicator
socket pin-1
indicator
microprocessor
microprocessor socket
socket lever
Removing and Installing Parts 125
cFor each of the replacement metal clips that secure the heat sink
to the microprocessor, fit the end of the clip that does not have the
latch to the heat sink retention base. Then, press down on the
clip’s latch to secure the clip to the heat sink retention base (see
"Removing the Microprocessor Heat Sink").
6Install the airflow shroud.
7Close the computer cover.
8Stand the computer upright.
9Reconnect the computer and devices to their electrical outlets, and
turn them on.
NOTE: If enabled, the Chassis Intrusion option will cause the following
message to be displayed at the next system start-up:
ALERT! Cover was previously removed.
10 Enter system setup, and confirm that the top line in the System Data
area correctly identifies the new microprocessor. Also, confirm that the
values under the CPU Information menu are correct for the new
microprocessor.
11 Exit system setup, and then run the Dell Diagnostics to verify that the
new microprocessor is operating properly.
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VRM
•Removing a VRM
• Installing a VRM
NOTICE: A VRM must be installed for each microprocessor installed. To
locate the VRM and microprocessor sockets, see "System Board Components"
or the interior service label.
Removing a VRM
CAUTION: Before you perform this procedure, see "Safety First—
For You and Your Computer."
NOTICE: Before disconnecting a device from the computer, wait 10 to 20
seconds after disconnecting the computer from its electrical outlet. Before
removing a component from the system board, verify that the standby power
light on the system board has turned off. To locate this light, see "System Board
Components" or the interior service label.
1Remove the airflow shroud.
2Press the securing clips at each end of the socket outward
simultaneously until the module pops out slightly from the socket (see
the following figure).
3Lift the module away from the socket.
Removing and Installing Parts 127
Removing a VRM
4Grasp the VRM by its top corners, and ease it out of its connector.
Installing a VRM
1Press the securing clips at each end of the socket outward until they
snap open (see "Removing a VRM").
2Align the slots on the bottom of the module with the ridges inside the
socket.
3Press the module straight down into the socket until the securing clips
snap into place at the ends of the module.
4Install the airflow shroud.
5Close the computer cover.
6Stand the computer upright.
7Reconnect the computer and devices to their electrical outlets, and
turn them on.
VRM
VRM connector
securing clip
Removing and Installing Parts 129
Computer Battery
The 3.0-V CR2032 coin-cell battery installed on the system board provides
power to retain the configuration, date, and time information when the
computer is turned off. The computer battery is designed to provide years
of service without being replaced. However, you may need to replace the
battery if configuration or clock-related inconsistencies occur or if one of
the following messages is displayed during the boot routine:
Time-of-day not set - please run SETUP program
or
Invalid configuration information -
please run SETUP program
CAUTION: There is a danger of the new battery exploding if it is
installed incorrectly. Replace the battery only with the same or
equivalent type recommended by the manufacturer. Discard used
batteries according to the manufacturer's instructions.
CAUTION: Before you perform this procedure, see "Safety First—
For You and Your Computer."
NOTICE: Before disconnecting a device from the computer, wait 10 to 20
seconds after disconnecting the computer from its electrical outlet. Before
removing a component from the system board, verify that the standby power
light on the system board has turned off. To locate this light, see "System Board
Components" or the interior service label.
1If you have not already done so, make a copy of your system
configuration information in system setup.
If the settings are lost while you are replacing the battery, you can refer
to your copy of the system configuration information to restore the
correct settings.
2Turn off the computer and devices, disconnect them from their
electrical outlets, and wait 10 to 20 seconds.
3Lay the computer on its right side.
4Open the computer cover.
5Remove the battery.
To locate the battery on the system board, see "System Board
Components" or the interior service label.
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NOTICE: If you use a blunt, nonconductive object to pry the battery out of its
socket, be careful not to touch the system board with the object. Be sure that
the object is inserted between the battery and the socket before you attempt to
pry out the battery. Otherwise, you may damage the system board.
Pry the battery out of its socket with your fingers or with a blunt,
nonconductive object, such as a plastic screwdriver.
6Install the new battery.
Orient the battery with the side labeled "+" facing up (see the
following figure). Then insert the battery into the socket, and snap it
into place.
Installing the Computer Battery
7Close the computer cover.
8Stand the computer upright.
9Reconnect the computer and devices to their electrical outlets, and
turn them on.
battery
battery socket
Removing and Installing Parts 131
NOTE: If enabled, the Chassis Intrusion option will cause the following
message to be displayed at the next system start-up:
ALERT! Cover was previously removed.
10 Enter system setup and enter the current time and date. Then exit
system setup and save the information.
11 Turn off your computer and disconnect it from its electrical outlet.
Leave the computer off for at least 10 minutes.
12 Reconnect the computer to its electrical outlet and turn it on.
13 Enter system setup, and check the date and time.
14 If the time and date are still incorrect, contact Dell for technical
assistance.
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134 Technical Specifications
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Microprocessor
Microprocessor type Intel® Xeon™. Design provides for future Dell-supported upgrades. A slower
compatibility speed can be set through system setup.
L1 cache 8-KB trace instruction and data cache
L2 cache 256-KB pipelined-burst, eight-way set-associative, write-back SRAM
Math coprocessor internal to microprocessor
Memory
Architecture RDRAM
RIMM sockets four (on the system board); eight (with optional memory riser boards)
RIMM capacities 64-, 128-, 256-, and 512-MB
Standard RAM 128 MB minimum
Maximum RAM 2 GB (on the system board); 4 GB (with optional memory riser boards)
BIOS address F000:0000h—F000:FFFFh
System Information
Chip set Intel 860 PCI/AGP
Data bus width 64 bits
Address bus width 32 bits
DMA channels eight
IRQs 15
SCSI controller integrated Adaptec AIC-7892 Ultra 160m LVD
Network controller integrated 3C920-based 10/100 3Com® Ethernet controller with Remote
Wake Up capabilities (3C905C-TX compatible)
BIOS chip 8 Mb
System clock 100 MHz quad-pumped
Video
Video type AGP 4x (1.5 V only) or PCI graphics card (see manufacturer's specifications)
Technical Specifications 135
Audio
Audio type AC97, SoundBlaster emulation
Audio controller Analog Devices AD1885 AC97 Codec
Stereo conversion 16 bits (analog-to-digital and digital-to-analog)
Interfaces:
Internal PCI bus/AC97
External one line-in jack; two speaker/headphone jacks; one microphone jack
Expansion Bus
Bus types PCI and AGP
Bus speed PCI: 33/66 MHz
AGP: 66 MHz
PCI expansion-card connectors three 32-bit, 33 MHz; two 64-bit, 66 MHz
PCI expansion-card connector data width
(maximum) 32/64 bits
PCI expansion-card connector size 32-bit, 33 MHz connector: 120 pins
64-bit, 66 MHz connector: 184 pins
AGP expansion-card connectors one
AGP expansion-card connector data width
(maximum) 32 bits
AGP expansion-card connector size 172 pins
AGP bus protocols 4x/2x Pro110 modes at 1.5 V
Drives
Externally accessible bays Up to two 5.25-inch (1.6-inch high) externally accessible drives, and one
5.25-inch (1.6-inch high) externally accessible drive or one 3.5-inch (1-
inch high) hard drive
Internal bays Up to three 3.5-inch hard drives (three 1-inch high drives, two 1-inch high
drives and one 1.6-inch high drive, or two 1.6-inch high drives)
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Ports
Externally accessible:
Serial (DTE) two 9-pin connectors; 16550-compatible
Parallel one 25-hole connector (bidirectional)
Video one (two, optional)15-hole connector(s) (on video card)
Network adapter RJ45 connector
PS/2-style keyboard 6-pin mini-DIN
PS/2-compatible mouse 6-pin mini-DIN
USB four USB-compliant connectors (two on front panel, two on back panel)
Audio one line-in jack; two speaker/headphone jacks (one on front panel, one on
back panel); one microphone jack
IEEE 1394 two 6-pin receptacle connectors (one on front panel, one on back panel)
Internally accessible:
SCSI drive 68-pin connector
Primary EIDE drive 40-pin connector
Secondary EIDE drive 40-pin connector
Diskette drive 34-pin connector
CD drive audio interface 4-pin connector
Fans three 3-pin connectors
TAPI 4-pin connector
Key Combinations
<Ctrl><Alt><Del> restart (reboot) the computer
<F2> starts system setup (during POST only)
<Ctrl><Alt><\> toggle microprocessor speeds on 101-key keyboard (in MS-DOS® real mode
only)
<Ctrl><Alt><#> toggle microprocessor speeds on 102-key keyboard (in MS-DOS real mode
only)
<Ctrl><Enter> disable system password at start-up (after correct password is entered)
<F12> boot from the network (during POST only)
Technical Specifications 137
Controls and Lights
Power control push button
Power light green light; blinking green in sleep state; dual-color for computer
operations—green for power, yellow for diagnostics
Hard-drive access light green light
Activity light (on integrated network
adapter) yellow light
Network link integrity and speed lights
(on integrated network adapter) green light for 10-Mb operation; orange light for 100-Mb operation
Diagnostic code lights four dual-color (yellow and green) lights located on front panel
Power
DC power supply:
Wat ta ge 460 W
Heat dissipation 1000 BTU/hr (fully loaded computer without monitor)
Voltage 90 to 135 V at 60 Hz; 180 to 265 V at 50 Hz; auto-switching
Backup battery 3-V CR2032 coin cell
Physical
Height 49.1 cm (19.3 inches)
Width 22.2 cm (8.7 inches)
Depth 48.8 cm (19.2 inches)
Weight 19 kg (42 lb) or more, depending on options installed
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Environmental
Temperature:
Operating 10° to 35° C (50° to 95° F)
Storage –40° to 65° C (–40° to 149° F)
Relative humidity 20% to 80% (noncondensing)
Maximum vibration:
Operating 0.25 G at 3 to 200 Hz at 0.5 octave/min
Storage 0.5 G at 3 to 200 Hz at 1 octave/min
Maximum shock:
Operating bottom half-sine pulse with a change in velocity of 20 inches/sec
(50.8 cm/sec)
Storage 27-G faired square wave with a velocity change of 200 inches/sec
(508 cm/sec)
Altitude:
Operating –16 to 3048 m (–50 to 10,000 ft)
Storage –16 to 10,600 m (–50 to 35,000 ft)
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Finding Solutions
This section describes computer hardware and software problems, offers
corrective actions, describes the Dell Diagnostics utility, and provides
system messages and codes. Before you call Dell for technical assistance,
complete the following tasks to help you resolve computer problems:
•Read "About Your Computer," including "Finding Information and
Assistance."
•Read "Safety First—For You and Your Computer."
•Take the problem-solving action listed in the following table for the
component or equipment that is not working properly.
Solving Problems
Problem Action
Computer power light does not stay on
solid green See "Power Problems"
Monitor power light does not turn on See "Monitor Problems"
No video display on the monitor See "Video Problems"
No sound See "Sound and Speaker Problems"
Printer not working properly See "Printer Problems"
Serial or other parallel devices not
working properly See "Serial or Parallel Device Problems"
Mouse not working properly See "Mouse Problems"
Keyboard not working properly See "Keyboard Problems"
Cannot read or access diskettes See "Diskette Drive Problems"
Cannot boot the computer or access a
hard drive See "Hard Drive Problems"
System time resets or loses time See "Battery Problems"
Expansion card errors or malfunction See "Expansion-Card Problems"
Cannot communicate with the network See "Network Problems"
A program locks up See "Recover From a Program That Is
Not Responding"
Solving Problems 141
Power Problems
The power light on the front panel communicates codes that can help you
determine whether there is a problem with your computer. The following
table lists the codes for the power light. For more information, see
"Diagnostic Lights."
Computer locks up See "Restart a Computer That Is Not
Responding"
Computer gets wet See "Repair a Wet Computer"
Computer is dropped or damaged See "Repair a Dropped or Damaged
Computer"
Hardware devices conflict See "Hardware Conflicts"
System memory amount is not correct See "System Memory Problems"
Microprocessor(s) malfunction See "Microprocessor Problems"
System board malfunctions See "System Board Problems"
System board is damaged See "Reset Corrupted BIOS Settings"
An error message See "Messages and Codes"
A series of beeps on system startup See "Messages and Codes"
Power Light Codes
Power Light Cause
Solid green Power is on, and the computer is operating normally.
Blinking green The computer is in the sleep state (Microsoft®
Windows®2000 and Windows XP).
For more information, see "Power Management."
Blinks green several times
and then turns off There is a configuration error.
Check the diagnostic lights to see if the specific
problem is identified.
Solid yellow The Dell Diagnostics is running a test, or a device on
the system board may be faulty or incorrectly
installed.
Solving Problems
Problem Action
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Basic Checks:
•Check the diagnostic lights to see if the specific problem is identified.
•Test the electrical outlet: ensure that the electrical outlet is working by
testing it with a different device such as a lamp.
•While diagnosing the problem, connect the computer power cable
directly to a known working electrical outlet to ensure that the
computer turns on. Do not connect it to a power protection device,
UPS, power strip, or extension cord.
•Ensure that all power cables are firmly connected, verifying that each
power cable is adequately connected at the computer device and to
the electrical outlet.
•Check for interference: electrical appliances on the same circuit or
operating in close proximity to the computer can cause interference.
•Test the power cable: swap the power cables between the computer
and the monitor to see whether the problem symptoms change.
If the problem still exists after you complete the basic checks, fill out the
Diagnostics Checklist as you perform the following steps:
1Turn off the computer and devices, disconnect them from their
electrical outlets, and wait 10 to 20 seconds.
2Reconnect the computer and devices to their electrical outlets.
3Turn on the computer.
Does the power light on the front of the computer light up?
Yes. The problem is resolved.
No. Go to step 4.
4Turn off the computer, swap the power cable with a known working
cable such as the monitor cable, and then turn on the computer.
Is the computer working properly?
Blinking yellow There is a system board or power supply failure.
Power Light Codes
(continued)
Power Light Cause
Solving Problems 143
Yes. You need a new power cable. Contact Dell for technical assistance.
No. The computer may be defective. Contact Dell for technical
assistance.
Monitor Problems
The power light on the monitor communicates codes that can help you
determine whether there is a problem. The following table lists the codes
for the monitor power light. For more information, see the documentation
that came with your monitor.
Basic Checks:
•Run the monitor self-test as instructed in the monitor user’s guide.
•While diagnosing the problem, connect the monitor power cable
directly to a known working electrical outlet to ensure that the monitor
turns on. Do not connect it to a power protection device, UPS, power
strip, or extension cord.
•Ensure that the monitor power cable is firmly connected, verifying
that the power cable is adequately connected at the monitor and to
the electrical outlet.
•Test the electrical outlet: ensure that the electrical outlet is working by
testing it with a different device such as a lamp.
•Test the power cable: swap the power cables between the computer
and the monitor to see whether the problem symptoms change.
Monitor Light Codes
Monitor Power Light Cause
Solid green Power is on, and the monitor is receiving video input
from the computer. The computer is operating
normally.
Solid yellow Power is on, but the monitor is not receiving video
input from the computer.
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•If the monitor display is blank, the computer may be in suspended, or
hibernate, state. Push and release the power button, move the mouse,
or press a key on the keyboard to bring the computer out of the
suspended state.
•Disconnect the monitor interface cable from the computer and check
the cable connector for bent or broken pins. Check for damaged or
frayed cables.
•If the monitor interface cable is not damaged, ensure that it is firmly
connected to the computer.
•Adjust brightness and contrast settings on the monitor.
If the problem still exists after you complete the basic checks, fill out the
Diagnostics Checklist as you perform the following steps:
1Turn off the computer, wait 30 seconds, and then turn the computer
back on.
2Allow 1 minute for the computer to initialize its components, and
then adjust the monitor's brightness and contrast controls.
Is the monitor readable?
Yes. The problem is resolved.
No. Go to step 3.
3Turn off nearby fans, lights, lamps, or other electrical devices.
Is the monitor readable?
Yes. One or more of those devices was causing interference. The
problem is resolved.
No. Go to step 4.
4Turn off the computer and the monitor, swap the monitor power cable
with a known working cable such as the computer cable, and then turn
on the computer and monitor.
Is the monitor working properly?
Yes. You need a new power cable. Contact Dell for technical assistance.
No. Go to the next question.
Do you have another monitor that is working properly?
Yes. Go to step 5.
Solving Problems 145
No. Contact Dell for technical assistance.
5Turn off the computer and the monitor, wait 10 to 20 seconds, and
disconnect the monitor. Connect a different monitor to the computer
and then turn them on.
6Allow 1 minute for the computer to initialize its components, and
then adjust the monitor's brightness and contrast controls.
Is the monitor readable?
Yes. The original monitor is defective. The problem is resolved.
No. Contact Dell for technical assistance.
Video Problems
Basic Checks:
•Check the diagnostic lights to see if the specific problem is identified.
•Run the monitor self-test as instructed in the monitor user’s guide.
•Check the monitor power light.
•Listen for system beep codes that may indicate a display problem.
•Connect the monitor power cable directly to an electrical outlet to
verify that the monitor turns on. Do not connect it to a power
protection device, UPS, power strip, or extension cord.
•If the monitor display is blank, the computer may be in suspended, or
hibernate, state. Push and release the power button, move the mouse,
or press a key on the keyboard to bring the computer out of the
suspended state.
•Disconnect the monitor interface cable from the computer and check
the cable connector for bent or broken pins. Check for damaged or
frayed cables.
•If the monitor interface cable is not damaged, ensure that it is firmly
connected to the computer.
•Adjust brightness and contrast settings on the monitor.
•Check for interference:
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– Electrical appliances on the same circuit or operating in close
proximity to the computer can cause interference.
– Audio equipment and certain types of lamps operating in
immediate proximity to the computer can cause interference.
•Restart the computer.
•Enter system setup and ensure that Primary Video Controller under
the Integrated Devices option is set correctly. An AGP or PCI card will
operate with Primary Video Controller set to either Auto or the
default setting AGP.
NOTE: If your computer has
both
AGP and PCI video expansion cards
installed, set Primary Video Controller to AGP to use the AGP expansion
card. Set Primary Video Controller to Auto to use the PCI expansion
card.
If the problem still exists after you complete the basic checks, fill out the
Diagnostics Checklist as you perform the following steps:
1Perform the procedure in "Monitor Problems."
Is the computer working properly?
Yes. The problem is resolved.
No. Go to the next question.
Do you have another computer that is working properly?
Yes. Go to step 2.
No. Go to step 6.
2Turn off the original computer and monitor, wait 10 to 20 seconds, and
disconnect the monitor.
3Turn off your other computer, wait 10 to 20 seconds, and disconnect
its monitor. Connect the monitor from the original computer, and
then turn them on.
4Allow 1 minute for the computer to initialize its components, and
then adjust the monitor's brightness and contrast controls.
Is the monitor readable?
Yes. The monitor is working properly. There may be a problem with the
video card in the original computer. Go to step 5.
No. The monitor may be defective. See "Monitor Problems."
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5Turn off the computer and monitor, wait 10 to 20 seconds, and
disconnect the monitor. Connect the monitor back to the original
computer, and then turn them on.
6Turn off nearby fans, lights, lamps, or other electrical devices.
Is the monitor readable?
Yes. One or more of those devices was causing interference. The
problem is resolved.
No. Go to step 7.
7Run the VESA/VGA Interface tests in the Dell Diagnostics.
Did any of the tests fail?
Yes. The video controller on the system board may be defective.
Contact Dell for technical assistance.
No. Go to step 8.
8Run video diagnostics from the Dell Diagnostics menu.
Did any of the tests fail?
Yes. The video controller on the system board may be defective.
Contact Dell for technical assistance.
No. Contact Dell for technical assistance.
Sound and Speaker Problems
Basic Checks:
•Check the diagnostic lights to see if the specific problem is identified.
•If using external speakers:
– Ensure that external audio devices are properly connected to the
microphone, speaker/headphone, and line-in connectors on the
computer back panel.
– Ensure that the speaker cable is firmly connected to the computer.
– Test the electrical outlet: verify that the speakers are connected to
a working electrical outlet.
– Ensure that the speakers are turned on.
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•If using headphones, ensure that the headphone cable is connected to
the speaker/headphone connector (see "Front View of the Computer
(Doors Open)" and "Back-Panel Features").
•If using a sound card, ensure that external audio devices are connected
to the sound card’s connectors and not to the microphone,
speaker/headphone, or line-in connectors on the computer back panel
(see "Back-Panel Features").
•Ensure that audio is not muted in the OS settings. See the OS
documentation for more information.
•Adjust the volume control on the speakers, if it is provided.
•Adjust the volume control in the audio software. For more
information, see the documentation for either your OS or your audio
software.
•If you are trying to listen to an audio CD, try different CDs.
•Reinstall the audio driver for your operating system.
•Check for interference: electrical appliances on the same circuit or
operating in close proximity to the computer can cause interference.
If the problem still exists after you complete the basic checks, fill out the
Diagnostics Checklist as you perform the following steps:
1Turn off nearby fans, lights, lamps, or other electrical devices.
Are the external speakers working properly?
Yes. One or more of those electrical devices was causing interference.
The problem is resolved.
No. Go to step 2.
2Enter system setup and ensure that Sound under the Integrated
Devices option is set to On. Then exit system setup properly to save
the information, and turn on the computer.
Is the device working properly?
Yes. The problem is resolved.
No. Go to step 3.
3Run the Misc. PCI Devices tests in the Dell Diagnostics.
Did the tests complete successfully?
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Yes. The controller is working properly. Go to the next question.
No. Contact Dell for technical assistance.
Do you have a set of headphones?
Yes. Go to step 4.
No. Contact Dell for technical assistance.
4Connect headphones to the speaker/headphone jack.
Can you hear sound through the headphones?
Yes. The speakers are defective. The problem is resolved.
No. Contact Dell for technical assistance.
Printer Problems
Basic Checks:
•Check the diagnostic lights to see if the specific problem is identified.
•Disconnect the cable from the computer and check the cable
connector for bent or broken pins. Check for damaged or frayed cables.
•If the cable is not damaged, ensure that it is firmly connected to the
computer.
•Test the electrical outlet: ensure that the electrical outlet is working by
testing it with a different device such as a lamp.
•Ensure that the printer is turned on.
•Check for interference: electrical appliances on the same circuit or
operating in close proximity to the computer can cause interference.
If the problem still exists after you complete the basic checks, fill out the
Diagnostics Checklist as you perform the following steps:
1Perform the procedure in "Serial or Parallel Device Problems."
Is the device working properly?
Yes. The problem is resolved.
No. Go to step 2.
2Run the printer's self-test.
Does the self-test complete successfully?
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Yes. Go to step 3.
No. The printer is probably defective. If you bought the printer from
Dell, contact Dell for technical assistance. If you did not, take it to an
authorized service center for repair.
3Try to print again.
Does the print operation complete successfully?
Yes. The problem is resolved.
No. Contact Dell for technical assistance.
Serial or Parallel Device Problems
NOTE: If you are having a problem with a printer, see "Printer Problems."
If a system message indicates a serial or parallel port problem or if
equipment connected to a port seems to perform incorrectly or not at all,
the source of the problem can be any of the following:
•A faulty connection between the port and the device
•Incorrect settings for system setup options
•Incorrect settings in the operating system's configuration files
•A faulty cable between the port and the device
•A faulty device
•Faulty port logic on the system board
•If the problem is with a serial port, conflicting COM port settings
•If the problem is with a parallel port, conflicting LPT port settings
•Incorrect or missing drivers
Basic Checks:
•Check the diagnostic lights to see if the specific problem is identified.
•Disconnect the cable from the computer and check the cable
connector for bent or broken pins. Check for damaged or frayed cables.
•If the cable is not damaged, ensure that it is firmly connected to the
computer.
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•Test the electrical outlet. Verify that the device is connected to a
working electrical outlet.
•Verify that the device is turned on.
•Check for interference: electrical appliances on the same circuit or
operating in close proximity to the computer can cause interference.
If the problem still exists after you complete the basic checks, fill out the
Diagnostics Checklist as you perform the following steps:
1Enter system setup and check the Integrated Devices option settings.
Then exit system setup properly to save the information, and reboot
the computer.
For a serial device, check the Serial Port options; for a parallel device,
check the Parallel Port options. See the device’s documentation for
additional information on port settings and configuration
requirements.
Is the device working properly?
Yes. The problem is resolved.
No. Go to step 2.
2Run the Serial Ports device group and/or the Parallel Ports device group
in the Dell Diagnostics.
These device groups check the basic functions of the system board's
I/O port logic. If a printer is connected to the parallel port, the Parallel
Ports device group tests the communication link between the system
board's I/O port logic and the printer.
Do the tests complete successfully?
Yes. Go to step 3.
No. Contact Dell for technical assistance.
3If the problem is confined to a particular application program, see the
application program's documentation for specific port configuration
requirements.
Is the device working properly?
Yes. The problem is resolved.
No. Go to step 4.
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4Turn off the computer and the device, swap the device's cable with a
known working cable, and then turn on the computer and the device.
Is the device working properly?
Yes. You need a new device cable. Contact Dell for technical
assistance.
No. Go to step 5.
5Turn off the computer and the device, swap the device with a
comparable working device, and then turn on the computer and the
device.
Is the device working properly?
Yes. You need a new device. Contact Dell for technical assistance.
No. Contact Dell for technical assistance.
Mouse Problems
Basic Checks:
•Check the diagnostic lights to see if the specific problem is identified.
•Disconnect the cable from the computer and check the cable
connector for bent or broken pins. Check for damaged or frayed cables.
•Ensure that the cable is firmly connected to the computer.
•If you are using a USB mouse, ensure that you connect to one of the
Port 1 USB connectors on the computer back panel (see "Back-Panel
Features").
•Reinstall the mouse driver for your operating system.
•Restart the computer.
If the problem still exists after you complete the basic checks, fill out the
Diagnostics Checklist as you perform the following steps:
1Turn off the computer, wait 10 to 20 seconds, and disconnect the
mouse. Connect the mouse back to the computer, and then turn it on.
Is the device working properly?
Yes. The problem is resolved.
No. Go to step 2.
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2If you are using a PS/2 mouse, enter system setup and ensure that
Mouse Port under the Integrated Devices option is set to On. Then
exit system setup properly to save the information, and reboot the
computer.
Is the device working properly?
Yes. The problem is resolved.
No. Go to step 3.
3If you are using a PS/2 mouse, run the Mouse test in the Pointing
Devices device group in the Dell Diagnostics.
Did the tests complete successfully?
Yes. Go to the next question.
No. Contact Dell for technical assistance.
Do you have another computer that is working properly?
Yes. Go to step 4.
No. Go to the next question.
Do you have another mouse that is working properly?
Yes. Turn off the computer, wait 10 to 20 seconds, and disconnect the
mouse. Then go to step 6.
No. Contact Dell for technical assistance.
4Turn off the original computer, wait 10 to 20 seconds, and disconnect
the mouse.
5Turn off your other computer, wait 10 to 20 seconds, and disconnect
its mouse. Connect the mouse from the original computer, and then
turn the computer on.
Is the mouse working properly?
Yes. There is a problem with the original computer. Contact Dell for
technical assistance.
No. The mouse may be defective. Contact Dell for technical
assistance.
6Connect a different mouse to the computer, and then turn the
computer on.
Is the mouse working properly?
Yes. The original mouse is defective. The problem is resolved.
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No. Contact Dell for technical assistance.
Keyboard Problems
Basic Checks:
•Check the diagnostic lights to see if the specific problem is identified.
•Disconnect the cable from the computer and check the cable
connector for bent or broken pins. Check for damaged or frayed cables.
•Ensure that the cable is firmly connected to the computer.
•If you are using a USB keyboard, ensure that you connect to one of the
Port 1 USB connectors on the computer back panel (see "Back-Panel
Features").
•If you are using a PS/2 keyboard that can be configured with various
switch settings, ensure that the switch is set to PS/2, Enhanced XT/AT,
or PC/AT. The switch settings are usually on the bottom of the
keyboard, sometimes behind a panel. Refer to the documentation that
came with the keyboard for more information.
•Check for interference. Keyboard extension cables can cause problems.
•Restart the computer.
If the problem still exists after you complete the basic checks, fill out the
Diagnostics Checklist as you perform the following steps:
1Turn off the computer, wait 30 seconds, and turn it on again.
During the boot routine, do the Num Lock, Caps Lock, and Scroll
Lock lights on the keyboard blink momentarily?
Yes. Go to step 2.
No. Go to step 3.
2Use the keyboard to type some characters.
Do the characters appear on the screen?
Yes. The problem is resolved.
No. Contact Dell for technical assistance.
3Run the PC-AT Compatible Keyboards tests in the Dell Diagnostics.
Did any of the diagnostics tests fail?
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Yes. The original keyboard may be defective. Go to step 4.
No. Go to the next question.
Do you have another computer that is working properly?
Yes. Go to step 4.
No. Go to the next question.
Do you have another keyboard that is working properly?
Yes. Turn off the computer, wait 10 to 20 seconds, and disconnect the
keyboard. Go to step 6.
No. Contact Dell for technical assistance.
4Turn off the original computer, wait 10 to 20 seconds, and disconnect
the keyboard.
5Turn off your other computer, wait 10 to 20 seconds, and disconnect
its keyboard. Connect the keyboard from the original computer, and
then turn the computer on.
Is the keyboard working properly?
Yes. There is a problem with the original computer. Contact Dell for
technical assistance.
No. The keyboard may be defective. Contact Dell for technical
assistance.
6Connect a different keyboard to the computer, and then turn the
computer on.
Is the keyboard working properly?
Yes. The original keyboard is defective. The problem is resolved.
No. Contact Dell for technical assistance.
Diskette Drive Problems
During the POST, the computer checks the diskette drive, comparing its
characteristics with the system configuration information. The diskette-
drive access light blinks as the computer performs this check.
Basic Checks:
•Check the diagnostic lights to see if the specific problem is identified.
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•If you hear an unfamiliar scraping or grinding sound when a drive is
accessed, there could be a hardware malfunction. Contact Dell for
technical assistance.
•When you turn on the computer, you can hear drive activity during
the boot routine. If your computer does not boot, contact Dell for
technical assistance.
•If you are trying to copy data to the diskette, ensure that it is not write-
protected.
•Try a different diskette in the drive. If the new diskette works, the
original one may be defective.
•Test the diskette drive access light by using one of the following
methods:
–Using MS-DOS
®, insert a diskette into the drive, type dir a: at
the prompt, and press <Enter>.
– Using Microsoft Windows, insert a diskette into the drive, open
My Computer from the desktop, and double-click the diskette
drive icon.
•Check the settings in system setup.
•Clean the drive using a commercially available cleaning kit.
NOTICE: Do not attempt to clean drive heads with a swab. You may
accidentally misalign the heads, rendering the drive inoperable.
If the problem still exists after you complete the basic checks, fill out the
Diagnostics Checklist as you perform the following steps.
CAUTION: Before you perform this procedure, see "Safety First—
For You and Your Computer."
NOTICE: Before disconnecting a device from the computer, wait 10 to 20
seconds after disconnecting the computer from its electrical outlet. Before
removing a component from the system board, verify that the standby power
light on the system board has turned off. To locate this light, see "System Board
Components" or the interior service label.
1Run the Diskette device group in the Dell Diagnostics.
Did any of the tests fail?
Yes. Contact Dell for technical assistance.
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No. Go to step 2.
2Turn off the computer and devices, disconnect them from their
electrical outlets, and wait 10 to 20 seconds.
3Lay the computer on its right side.
4Open the computer cover.
5Remove and install the diskette drive.
6Close the computer cover.
7Stand the computer upright.
8Reconnect the computer and devices to their electrical outlets, and
turn them on.
Does the diskette-drive access light blink during the boot routine?
Yes. Go to the next question.
No. Contact Dell for technical assistance.
Does the computer display a drive error message?
Yes. See "System Messages" for an explanation of the message, and
then go to step 9.
No. The problem is resolved.
9Insert a bootable diskette into the diskette drive and reboot the
computer.
Does the drive boot the operating system?
Yes. The problem is probably resolved. If you continue to experience
trouble, contact Dell for technical assistance.
No. Contact Dell for technical assistance.
Hard Drive Problems
Basic Checks:
•Check the diagnostic lights to see if the specific problem is identified.
•If you hear an unfamiliar scraping or grinding sound when a drive is
accessed, there could be a hardware malfunction. Contact Dell for
technical assistance.
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•When you turn on the computer, you can hear drive activity during
the boot routine. If your computer does not boot, contact Dell for
technical assistance.
•Test the hard drive by using one of the following methods:
– For Windows 2000 and Windows XP,
Click the Start button, select Shutdown, and then click Restart
the Computer.
At the C: prompt, type: CD\Windows\Command and press
<Enter>.
Ty p e chkdsk and press <Enter>.
This utility creates and displays a status report and lists and
corrects errors on the disk.
– For Microsoft Windows NT®, run the error-checking utility by
opening the property sheet of the affected volume(s) and clicking
Check Now in the Error-checking section of the Tools tab.
If the problem still exists after you complete the basic checks, fill out the
Diagnostics Checklist as you perform the following steps.
CAUTION: Before you perform this procedure, see "Safety First—
For You and Your Computer."
NOTICE: Before disconnecting a device from the computer, wait 10 to 20
seconds after disconnecting the computer from its electrical outlet. Before
removing a component from the system board, verify that the standby power
light on the system board has turned off. To locate this light, see "System Board
Components" or the interior service label.
1Enter system setup and ensure that the problem drive is configured
correctly. Make any necessary changes, and reboot the computer.
Is the drive operating properly?
Yes. The problem is resolved.
No. Go to step 2.
2Test the hard drive by using one of the following methods:
– For Windows 2000 and Windows XP, run the chkdsk utility by
following these steps:
Click the Start button, select Shutdown, and then click Restart
the Computer.
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At the C: prompt, type: CD\Windows\Command and press
<Enter>.
Ty p e chkdsk and press <Enter>.
This utility creates and displays a status report and lists and
corrects errors on the disk.
• For Microsoft Windows NT, run the error-checking utility by
opening the property sheet of the affected volume(s) and clicking
Check Now in the Error-checking section of the Tools tab.
Is the drive operating properly?
Yes. The problem is resolved.
No. Go to step 3.
3Run the appropriate test group in the Dell Diagnostics:
•For an IDE or EIDE hard drive, run the IDE Devices device group.
•For a SCSI hard drive, run the SCSI Devices device group.
Did any of the diagnostics tests fail?
Yes. Go to the next question.
No. Go to step 4.
Did any of the diagnostics tests indicate a faulty drive?
Yes. The hard drive may be faulty. Contact Dell for technical
assistance.
No. Go to the next question.
Did any of the diagnostics tests indicate a faulty drive controller?
Yes. The system board may be faulty. Contact Dell for technical
assistance.
No. Go to step 4.
4Turn off the computer and devices, disconnect them from their
electrical outlets, and wait 10 to 20 seconds.
5Lay the computer on its right side.
6Open the computer cover.
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7Ensure that the DC power cables from the power supply are firmly
connected to the connectors on each drive. Also verify that the
interface cable for each drive is firmly connected to the drive and to
the system board.
8Ensure that the front panel cable is firmly connected to the system
board and the front panel. Also ensure that the control panel cable is
firmly connected to the front panel.
The control panel contains the hard drive activity light. To locate the
system board and front panel connectors, see "System Board
Components" and "Front Panel Components." Also, see the interior
service label.
9Close the computer cover.
10 Stand the computer upright.
11 Reconnect the computer and devices to their electrical outlets, and
turn them on.
Does the hard drive activity light blink during the boot routine?
Yes. Go to the next question.
No. The system board may be faulty. Contact Dell for technical
assistance.
Does the computer display a drive error message?
Yes. See "System Messages" for an explanation of the message. If you
cannot correct the problem by performing the action described in the
table, then contact Dell for technical assistance.
No. Go to the next question.
Is this the primary hard drive that contains the operating system?
Yes. Go to the next question.
No. Contact Dell for technical assistance.
Does the drive boot the operating system?
Yes. Go to the next question.
No. Files in the operating system may be corrupt. See your operating
system documentation.
Is the drive operating properly?
Yes. The problem is resolved.
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No. Contact Dell for technical assistance.
Battery Problems
If an error message indicates a problem with the battery or if configuration
information is lost from system setup when the computer is turned off, the
battery may be defective.
CAUTION: There is a danger of a new battery exploding if it is
incorrectly installed. Replace the battery only with the same or
equivalent type recommended by the manufacturer. Discard used
batteries according to the manufacturer's instructions.
CAUTION: Before you perform this procedure, see "Safety First—
For You and Your Computer."
NOTICE: Before disconnecting a device from the computer, wait 10 to 20
seconds after disconnecting the computer from its electrical outlet. Before
removing a component from the system board, verify that the standby power
light on the system board has turned off. To locate this light, see "System Board
Components" or the interior service label.
1Turn off the computer and devices, disconnect them from their
electrical outlets, and wait 10 to 20 seconds.
2Lay the computer on its right side.
3Open the computer cover.
4Reseat the battery in its socket with the side labeled "+" facing up.
5Close the computer cover.
6Stand the computer upright.
7Reconnect the computer and devices to their electrical outlets, and
turn them on.
8Enter system setup and reenter the current time and date. Then exit
system setup properly to save the information.
9Turn off your computer and disconnect it from its electrical outlet.
Leave the computer off for at least 10 minutes.
10 Reconnect the computer to its electrical outlet and turn it on.
11 Enter system setup, and check the date and time.
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Are the date and time correct?
Yes. The problem is resolved.
No. The battery may be defective. Go to step 12.
12 Replace the battery.
Is the battery working properly?
Yes. The problem is resolved.
No. You may have a faulty system board. Contact Dell for technical
assistance.
Expansion-Card Problems
If an error message indicates an expansion-card problem or if an expansion
card seems to perform incorrectly or not at all, the problem could be a faulty
connection, a conflict with software or other hardware, or a faulty expansion
card. Before you perform the following steps, check the diagnostic lights to
see if the specific problem is identified. Also, ensure that a hardware conflict
does not exist between devices.
Fill out the Diagnostics Checklist as you perform the following steps.
CAUTION: Before you perform this procedure, see "Safety First—
For You and Your Computer."
NOTICE: Before disconnecting a device from the computer, wait 10 to 20
seconds after disconnecting the computer from its electrical outlet. Before
removing a component from the system board, verify that the standby power
light on the system board has turned off. To locate this light, see "System Board
Components" or the interior service label.
1Run the diagnostics provided by the manufacturers of all expansion
cards installed in your computer.
NOTE: The manufacturers of many expansion cards, such as video,
network interface, and sound cards, provide diagnostics programs. If you
do not have any diagnostics for your cards, go to step 2.
Did any of the diagnostics identify a problem?
Yes. Contact the manufacturer of the card(s).
No. Go to step 2.
2Turn off the computer and devices, disconnect them from their
electrical outlets, and wait 10 to 20 seconds.
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3Lay the computer on its right side.
4Open the computer cover.
5Ensure that each expansion card is firmly seated in its connector. If any
expansion cards are loose, reseat them.
6Ensure that all cables are firmly connected to their corresponding
connectors on the expansion cards. If any cables appear loose,
reconnect them.
For instructions on which cables should be attached to specific
connectors on an expansion card, see the expansion card's
documentation.
7Close the computer cover.
8Stand the computer upright.
9Reconnect the computer and devices to their electrical outlets, and
turn them on.
Is the computer working properly?
Yes. The problem is resolved.
No. You may have a faulty expansion card. Go to step 10.
10 Turn off the computer and devices, disconnect them from their
electrical outlets, and wait 10 to 20 seconds.
11 Lay the computer on its right side.
12 Open the computer cover.
13 Remove all expansion cards installed in the computer except the video
card.
NOTE: If your primary hard drive is connected to a drive controller card
and not one of the system board enhanced integrated drive electronics
(EIDE) connectors, leave the drive controller card installed in the
computer.
14 Close the computer cover.
15 Stand the computer upright.
16 Reconnect the computer and devices to their electrical outlets, and
turn them on.
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17 Run the RAM test group in the Dell Diagnostics.
Did any of the diagnostics tests fail?
Yes. Contact Dell for technical assistance.
No. Go to step 18.
18 Turn off the computer and devices, disconnect them from their
electrical outlets, and wait 10 to 20 seconds.
19 Lay the computer on its right side.
20 Open the computer cover.
21 Reinstall one of the expansion cards that you removed previously, and
repeat step 14 through step 17.
Did any of the diagnostics tests fail?
Yes. The expansion card you just reinstalled is faulty and needs to be
replaced.
No. Repeat step 18and step 21 with a different expansion card. Go to
step 22.
22 If you have reinstalled all the expansion cards and the problem is not
resolved, contact Dell for technical assistance.
Network Problems
Basic Checks:
•Check the network activity lights to see if the computer is
communicating with the network.
•If you are using a modem and a network adapter, ensure that the
modem cable is not connected to the network adapter.
•Disconnect the network cable from the computer and check the cable
connector for bent or broken pins. Check for damaged or frayed cables.
•If the cable is not damaged, ensure that it is firmly connected to the
computer.
•Ensure that a hardware conflict does not exist between devices.
•Enter system setup and ensure that the appropriate network
operations settings are configured correctly.
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•Verify the type of network device to which you are connecting the
computer. A hub typically operates at 10 Mbps. A switch operates at 10
or 100 Mbps. Ensure that the network adapter is configured for the
appropriate speed. See the network adapter diagnostics and
configuration utility in the Dell Diagnostics.
Fill out the Diagnostics Checklist as you perform the following steps.
NOTICE: Do not connect a modem cable to the network adapter. Voltage
from telephone communications can cause damage to the network adapter.
1Determine the type of network adapter you are using.
If you are using a network expansion card, go to step 2.
If you are using the integrated network adapter, skip to step 3.
2Perform the procedure in "Expansion-Card Problems."
Is the computer operating properly?
Yes. The problem is resolved.
No. Go to step 4.
3Run the Network Adapter Diagnostics from the Dell Diagnostics
menu.
Did any of the tests fail?
Yes. Contact Dell for technical assistance.
No. Go to step 4.
4Run the Network Interfaces tests in the Dell Diagnostics.
Did the tests complete successfully?
Yes. The problem is resolved.
No. Go to step 5.
5Turn off the computer, swap the network cable with a known working
cable, and then turn on the computer.
Is the computer working properly?
Yes. You need a new network cable. Contact Dell for technical
assistance.
No. Contact Dell for technical assistance.
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Recover From a Program That Is Not Responding
1Press <Ctrl><Alt><Delete>.
Did the Close Program window appear?
Yes. Go to step 2.
No. Skip to step 4.
2Click the program that no longer responds.
3Click End Task.
Is the computer operating properly?
Yes. The problem is resolved.
No. Go to step 4.
4Press the reset button to reboot the computer.
Restart a Computer That Is Not Responding
1Press and hold the power button for more than 6 seconds to
immediately turn off the computer.
Did the computer turn off?
Yes. Skip to step 3.
No. Go to step 2.
2Disconnect the AC power cable from the computer, wait 10 to 20
seconds, and reconnect the AC power cable.
3Press the power button to turn on the computer.
NOTICE: If your computer is not responding, turning off power or unplugging
the power cord should be done only as a last resort. Doing so can cause
problems with system settings and configuration.
Repair a Wet Computer
Spills, splashes, and excessive humidity can cause damage to the computer.
If an external device, such as a printer or modem, gets wet, contact the
manufacturer of the device for instructions.
CAUTION: Before you perform this procedure, see "Safety First—
For You and Your Computer."
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NOTICE: Before disconnecting a device from the computer, wait 10 to 20
seconds after disconnecting the computer from its electrical outlet. Before
removing a component from the system board, verify that the standby power
light on the system board has turned off. To locate this light, see "System Board
Components" or the interior service label.
Fill out the Diagnostics Checklist as you perform the following steps:
1Turn off the computer and devices, disconnect them from their
electrical outlets, and wait 10 to 20 seconds.
2Lay the computer on its right side.
3Open the computer cover.
4Let the computer dry for at least 24 hours. Ensure that it is thoroughly
dry before you proceed.
5Remove all expansion cards installed in the computer except the video
card.
NOTE: If your primary hard drive is connected to a drive controller card
and not one of the system board EIDE connectors, leave the drive
controller card installed in the computer.
6Close the computer cover.
7Stand the computer upright.
8Reconnect the computer and devices to their electrical outlets, and
turn them on.
Does the computer have power?
Yes. Go to step 9.
No. Contact Dell for technical assistance.
9Turn off the computer and devices, disconnect them from their
electrical outlets, and wait 10 to 20 seconds.
10 Lay the computer on its right side.
11 Open the computer cover.
12 Reinstall all expansion cards.
13 Close the computer cover.
14 Stand the computer upright.
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15 Reconnect the computer and devices to their electrical outlets, and
turn them on.
16 Run the System Board Devices test group in the Dell Diagnostics.
Did any of the diagnostics tests fail?
Yes. Contact Dell for technical assistance.
No. The problem is resolved.
Repair a Dropped or Damaged Computer
CAUTION: Before you perform this procedure, see "Safety First—
For You and Your Computer."
NOTICE: Before disconnecting a device from the computer, wait 10 to 20
seconds after disconnecting the computer from its electrical outlet. Before
removing a component from the system board, verify that the standby power
light on the system board has turned off. To locate this light, see "System Board
Components" or the interior service label.
Fill out the Diagnostics Checklist as you perform the following steps:
1Turn off the computer and devices, disconnect them from their
electrical outlets, and wait 10 to 20 seconds.
2Lay the computer on its right side.
3Open the computer cover.
4Check all the expansion-card connections in the computer, and reseat
any loose expansion cards.
5Ensure that all cables are properly connected and that all components
are properly seated in their connectors and sockets.
6Close the computer cover.
7Stand the computer upright.
8Reconnect the computer and devices to their electrical outlets, and
turn them on.
9Run the System Board Devices test group in the Dell Diagnostics.
Did any of the diagnostics tests fail?
Yes. Contact Dell for technical assistance.
Solving Problems 169
No. The problem is resolved.
Hardware Conflicts
Hardware conflicts occur when the operating system detects multiple
devices that are attempting to operate on the same system resources when
those resources cannot be shared between the devices.
Symptoms:
•Computer hangs or locks up, particularly while using a specific device.
•Memory parity errors occur on a parity-enabled computer.
•Noise or other problems from sound cards.
•Unintelligible characters printed on the printer.
•Mouse pointer hangs and will not move or moves in a stuttering
fashion.
•Messages stating that the computer is not operating at maximum
performance.
•While running Microsoft Windows, the computer switches to Safe
Mode.
•Errors and crashes of applications for no apparent reason.
•Nothing displays on the video monitor.
To resolve hardware conflicts:
•Ensure that the conflict is not a software problem.
•Remove any newly added hardware and contact the hardware
manufacturer.
•See your OS documentation.
System Memory Problems
During POST, the computer checks the computer's memory, determines the
amount of installed memory, and then writes to and reads from the number
of available bytes to ensure proper operation.
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NOTE: If you installed up to 4 GB of memory but not all of it is available for
use by the OS, see "Addressing Memory with 4-GB Configurations."
Basic Checks:
•Check the diagnostic lights to see if the specific problem is identified.
•If an insufficient memory message appears, save and close any open
files and exit any open application programs not in use. Consider
installing additional system memory.
•Restart the computer.
•Run the System Memory test group in the Dell Diagnostics.
•If you have the optional memory riser boards installed, reseat the riser
boards.
•Reseat the memory modules in system board or riser board sockets.
•If you are not using the optional memory riser boards, verify that all
system board memory sockets contain a RIMM or CRIMM.
•Memory modules must be installed in matched pairs. Ensure that the
modules installed in system board or memory riser board socket pairs
are identical. To identify system board socket pairs, see "System Board
Memory Components." To identify memory riser board socket pairs,
see "Memory Riser Board Components."
If the problem still exists after you complete the basic checks, fill out the
Diagnostics Checklist as you perform the following steps.
CAUTION: Before you perform this procedure, see "Safety First—
For You and Your Computer."
NOTICE: Before disconnecting a device from the computer, wait 10 to 20
seconds after disconnecting the computer from its electrical outlet. Before
removing a component from the system board, verify that the standby power
light on the system board has turned off. To locate this light, see "System Board
Components" or the interior service label.
1Enter system setup and ensure that the value for System Memory
matches the actual amount of memory installed in the computer.
Does the memory total correctly match the actual amount of memory
installed in the computer?
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Yes. The computer updated the memory count when you restarted the
computer. The problem is resolved.
No. Go to step 2.
2Run the System Memory test group in the Dell Diagnostics.
Did any of the diagnostics tests fail?
Yes. Contact Dell for technical assistance.
No. Go to step 3.
3Turn off the computer and devices, disconnect them from their
electrical outlets, and wait 10 to 20 seconds.
4Lay the computer on its right side.
5Open the computer cover.
6If you have the optional memory riser boards installed, remove the
riser boards.
7Remove and install the memory module(s) in system board or riser
board sockets.
8If you removed the memory riser boards, install the riser boards.
9Close the computer cover.
10 Stand the computer upright.
11 Reconnect the computer and devices to their electrical outlets, and
turn them on.
Does the RAM count displayed correctly match the actual amount of
memory installed in the computer?
Yes. The memory module(s) were defective. The problem is resolved.
No. Contact Dell for technical assistance.
Microprocessor Problems
During POST, the computer checks the computer's microprocessor and
determines its operational specifications. This information is stored in
system setup. The computer also determines whether one or two
microprocessors are installed, and then verifies whether two installed
microprocessors are identical to ensure proper operation.
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Basic Checks:
•Check the diagnostic lights to see if the specific problem is identified.
•If two microprocessors are installed, ensure that they are identical. The
computer may not start or function properly if two microprocessors are
installed that are not identical:
– Different cache sizes
– Different speeds
– Different steppings
– Different types
•If two microprocessors are installed, ensure that a VRM is installed for
each processor.
•If two microprocessors are installed, ensure that the VRMs are
identical. The computer may not start or function properly if two
VRMs are installed that are not identical.
•If a system message indicated a problem with one or both of the
microprocessors, the processor(s) may need to be replaced.
•If a system message indicated a problem with one or both of the
VRMs, the VRM(s) may need to be replaced.
•Run the System Board Devices and Processor Cache test groups in the
Dell Diagnostics.
•Reseat the microprocessors.
•Reseat the VRMs.
•Reconnect the cooling fan for each installed microprocessor.
•Restart the computer.
If the problem still exists after you complete the basic checks, fill out the
Diagnostics Checklist as you perform the following steps.
CAUTION: Before you perform this procedure, see "Safety First—
For You and Your Computer."
Solving Problems 173
NOTICE: Before disconnecting a device from the computer, wait 10 to 20
seconds after disconnecting the computer from its electrical outlet. Before
removing a component from the system board, verify that the standby power
light on the system board has turned off. To locate this light, see "System Board
Components" or the interior service label.
1Run the System Board Devices and Processor Cache test groups in the
Dell Diagnostics.
Did any of the diagnostics tests fail?
Yes. Contact Dell for technical assistance.
No. Go to the next question.
Do you have two microprocessors installed in the computer?
Yes. Go to step 2.
No. Go to step 3.
2Enter system setup and ensure that values for Processor 0 and
Processor 1 under the CPU Information option are identical.
Are the two microprocessors identical?
Yes. Go to step 3.
No. You must replace one or both of the microprocessors to make
them identical. Contact Dell for technical assistance.
3Turn off the computer and devices, disconnect them from their
electrical outlets, and wait 10 to 20 seconds.
4Lay the computer on its right side.
5Open the computer cover.
6Remove and install the microprocessor(s).
7Ensure that the microprocessor fan cables are firmly connected to the
connectors on the system board.
8Remove and install the VRM(s).
9Close the computer cover.
10 Stand the computer upright.
11 Reconnect the computer and devices to their electrical outlets, and
turn them on.
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Is the computer working properly?
Yes. The problem is resolved.
No. Contact Dell for technical assistance.
System Board Problems
A system board problem can result from a defective system board
component, a faulty power supply, or a defective component connected to
the system board.
Before you perform the following steps, check the diagnostic lights to see if
the specific problem is identified. If a system message indicates a system
board problem, fill out the Diagnostics Checklist as you perform the
following steps.
CAUTION: Before you perform this procedure, see "Safety First—
For You and Your Computer."
NOTICE: Before disconnecting a device from the computer, wait 10 to 20
seconds after disconnecting the computer from its electrical outlet. Before
removing a component from the system board, verify that the standby power
light on the system board has turned off. To locate this light, see "System Board
Components" or the interior service label.
1Reboot the computer and run the System Board Devices test group in
the Dell Diagnostics.
Did any of the tests fail?
Yes. Contact Dell for technical assistance.
No. Go to step 2.
2Turn off the computer and devices, disconnect them from their
electrical outlets, and wait 10 to 20 seconds.
3Lay the computer on its right side.
4Open the computer cover.
5Ensure that the power cables from the power supply are firmly
connected to the connectors on the system board.
6Close the computer cover.
7Stand the computer upright.
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8Reconnect the computer and devices to their electrical outlets, and
turn them on.
Is the computer working properly?
Yes. The problem is resolved.
No. Go to step 9.
9Perform the procedure in "System Memory Problems."
Is the computer working properly?
Yes. The problem is resolved.
No. Go to step 10.
10 Perform the procedure in "Expansion-Card Problems."
Is the computer working properly?
Yes. The problem is resolved.
No. Go to step 11.
11 Perform the procedure in "Keyboard Problems."
Is the computer working properly?
Yes. The problem is resolved.
No. Go to step 12.
12 Perform the procedure in "Reset Corrupted BIOS Settings."
Is the computer working properly?
Yes. The problem is resolved.
No. Contact Dell for technical assistance.
Reset Corrupted BIOS Settings
If the computer cannot boot and you have exhausted all other
troubleshooting options, perform the following steps.
CAUTION: Before you perform this procedure, see "Safety First—
For You and Your Computer."
NOTICE: Before disconnecting a device from the computer, wait 10 to 20
seconds after disconnecting the computer from its electrical outlet. Before
removing a component from the system board, verify that the standby power
light on the system board has turned off. To locate this light, see "System Board
Components" or the interior service label.
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1Turn off the computer and devices, disconnect them from their
electrical outlets, and wait 10 to 20 seconds.
2Lay the computer on its right side.
3Open the computer cover.
4Install a jumper plug on the RTCRST jumper pins and then remove it.
This resets the BIOS settings to the factory configuration.
See "Jumper Settings" to locate the real-time clock reset jumper
(labeled "RTCRST") on the system board.
NOTE: If you do not have a spare jumper, you can use the PSWD jumper.
However, ensure that you install the PSWD jumper back on the PSWD
pins before you turn on the computer.
5Close the computer cover.
6Stand the computer upright.
7Reconnect the computer and devices to their electrical outlets, and
turn them on.
8Enter system setup and change the configuration information
appropriate for your computer.
After you change the system settings, exit system setup and reboot the
computer.
Is the computer working properly?
Yes. The problem is resolved.
No. Contact Dell for technical assistance.
NOTE: After you reset the computer using the RTCRST jumper, you must
enter system setup and restore any option settings that were not in your default
configuration.
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Dell Diagnostics
• When to use the Dell Diagnostics
•Features
• Before you start testing
• Running the Dell Diagnostics
• Advanced testing
When to Use the Dell Diagnostics
If you experience a problem with your computer, run the Dell Diagnostics
before you call Dell for technical assistance. The Dell Diagnostics tests
check your computer's hardware without additional equipment and without
the risk of destroying data. When the diagnostics tests complete without
indicating any problems, you can have confidence in your computer's
operation. If the tests indicate a problem you cannot solve by yourself, the
test results provide important information you will need when talking to
Dell's service and support personnel.
NOTICE: Only use the Dell Diagnostics to test your Dell computer. Using this
program with other computers may cause incorrect computer responses or
result in error messages. Also, only use the Dell Diagnostics that came with
your computer or an updated version of the program for your computer. Do not
use Dell Diagnostics from another model Dell computer.
Features
The diagnostic test groups features allow you to take the following actions:
•Perform quick checks or extensive tests on one or all devices
•Choose the number of times a test group or subtest is repeated
•Display or print test results or save them in a file
•Suspend testing if an error is detected or terminate testing when an
adjustable error limit is reached
•Access online Help screens that describe the tests and tell how to run
them
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•Read status messages that inform you whether test groups or subtests
completed successfully
•Receive error messages that appear if problems are detected
Before You Start Testing
•Read "Safety First—For You and Your Computer" and the safety
instructions in your System Information Guide.
•Turn on your printer if one is attached, and ensure that it is online.
•Enter system setup, confirm your computer's system configuration
information, and enable all of its components and devices, such as
ports.
Running the Dell Diagnostics
NOTE: Dell recommends that you print these procedures before you begin. For
additional information, refer to the
Dell Precision WorkStations ResourceCD
User's Guide
, located on the
Dell ResourceCD
. See "Finding Information and
Assistance" for more information.
1Insert the Dell Precision ResourceCD into the CD drive.
Microsoft® Windows® automatically runs the ResourceCD, and the
main menu appears.
NOTE: If this is the first time you have used the ResourceCD, an
installation utility automatically runs, and then the main menu appears.
2Press <Alt><F4> to exit the main menu.
3Ensure that your diskette drive is empty.
NOTE: Some of the diagnostics tests allow you to print the results. If you
want to print test results, turn on your printer, if one is attached, and
ensure that it is online.
4Restart the computer.
5If your computer boots to the CD, the Dell logo screen appears,
followed by a list of menu option descriptions and their available
languages.
NOTE: If your computer does not boot to the CD, change the Boot
Sequence to boot from the CD drive.
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NOTE: If you have a SCSI controller installed in your computer, make
sure the controller is configured to boot after IDE devices. For more
information, see your SCSI controller documentation.
6Select the appropriate language for menu options. If you have changed
a partition table and restarted your computer, select the option to
Continue Windows NT Reinstall.
A numbered list displays the available options. The following list
describes each option.
NOTE: Once you select one of the following options, you cannot return to
the list to select another option. If you decide that you do not want to
continue with an option or wish to select another option, you must restart
your computer.
•Option 1 – Start/Continue Windows NT® Installation
NOTICE: This option has the potential to erase partial data or the entire hard
drive.
Helps you reinstall Windows NT Workstation on your computer.
Use this option if your computer has become unusable or if you
require a clean installation of this OS. To complete the
reinstallation, you will need your Windows NT CD, your service
pack CD, and your Windows NT Product Key (also called the
Product ID or COA).
For more information, refer to the Windows NT installation guide
provided with your computer.
• Option 2 – Dell Diagnostics
Loads the Dell Diagnostics that allow you to perform tests and
help determine if your computer has possible problems. When the
Diagnostics Menu appears, select one of the options to continue.
• Option 3 – Dell ZZTOP Imaging Software
NOTICE: This option reformats your hard drive and causes data loss. Do not
select this option unless a qualified Dell technician has instructed you to do so.
Helps you to restore a corrupted hard drive by reinstalling
Windows and reconfiguring the computer to factory defaults.
• Option 4 – SCSI Hard-Drive Diagnostics
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Runs a diagnostic test on your SCSI hard drive(s). The diagnostic
test does not cause data loss. However, you should back up any
important data before you run the test.
NOTE: The SCSI hard-drive diagnostics are intended for computers with
SCSI hard drives and will ignore IDE hard drives.
• Option 5 – Network Adapter Diagnostics/Configuration
Configures the resources and settings for the integrated network
adapter. It also allows you to run MS-DOS–based diagnostics on
the adapter to help solve problems.
For more information on this utility, refer to the 3Com
documentation provided with your computer.
• Option 6 – Adaptec RAID Configuration Utility
NOTE: The RAID configuration utility is not for use with your computer.
•Option 7 – Video Diagnostics
Displays a list of video controllers that can be installed in your
computer and then runs diagnostic tests on the video controller
you select.
NOTE: To find out what video adapter you have, click the Start button,
click Settings, click Control Panel, and double-click the Display icon. In
the Display Properties window, click the Settings tab. For Windows, the
video adapter is listed. For Windows NT, click Display Type to list the
video adapter.
After a diagnostic test runs, it tells you whether the test passed or
failed. You can isolate the part of the video subsystem that is
experiencing a problem by determining which tests pass or fail.
• Option 8 – Copy Hard Drive Controller Drivers to Diskette
Allows you to select and copy to diskette hard-drive controller
drivers appropriate for your computer. You can then manually
install the drivers that are not natively supported by the OS.
• Option 9 – Exit to DOS
Exits the main menu and returns to an MS-DOS prompt, at which
point you can remove the ResourceCD and restart your system.
7Select Option 2 – Dell Diagnostics.
After the diagnostics load, the Dell Diagnostics main menu appears:
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Dell Diagnostics Main Menu
•Test All Devices: Performs quick or extensive tests on all devices.
•Test One Device: Performs quick or extensive tests on a single
device after you select it from a list of device groups. After you
select Test One Device, press <F1> for more information about a
test.
•Advanced Testing: Allows you to modify the parameters of a test,
select a group of tests to perform, and access additional
information about Advanced Testing.
•Information and Results: Provides test results, test errors, version
numbers of subtests, and additional information on the Dell
Diagnostics.
•Program Options: Allows you to change the settings of the Dell
Diagnostics.
•Exit to MS-DOS: Exits to the MS-DOS prompt.
8Select the type of tests to perform:
• To perform a quick check of your computer or a specific device,
select Quick Tests from the Test All Devices or Test One Device
option.
Quick Tests runs only the tests that run fast and do not require
user interaction. Dell recommends that you choose Quick Tests
first to increase the odds of tracing the source of the problem
quickly.
• For a thorough check of your computer or to check a particular
area of your computer, select Extended Tests from the Test All
Devices or Test One Device option.
• To customize your test(s), select the Advanced Testing option.
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9Remove the ResourceCD from the CD drive when you finish running
the Dell Diagnostics.
10 If you changed the Boot Sequence in system setup, enter system setup
and change the sequence back to the original configuration.
Advanced Testing
When you select Advanced Testing from the Diagnostics Menu, the
following screen appears:
Advanced Testing Screen
NOTE: The groups and devices listed in your screen can vary somewhat based
on the components installed in your computer.
Information in the Advanced Testing screen is presented as follows:
•Device Groups — lists the diagnostic test groups in the order they will
run if you select All from the Run tests menu option.
To select a test device group, press the up- or down-arrow key to
highlight the group.
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NOTE: The diagnostics may not list in the Device Groups area the names
of all components or devices that are part of your computer system. For
example, it may not list a printer even though it is connected to your
computer. However, the parallel port to which the printer is connected
appears in the Device Groups list. You can test your printer connection in
the Parallel Ports tests.
•Devices for Highlighted Group — lists the computer's current
hardware.
•Device groups menu bar — contains the options Run tests, Devices,
Select, Config, and Help
To select a menu option, press the left- or right-arrow key to highlight
the option and press <Enter>, or press the key that corresponds to the
highlighted letter in the category title.
NOTE: The options displayed on your screen should reflect the hardware
configuration of your computer.
Advanced Testing Help Menu
The Help options and a description of their functions are presented in the
following table:
Advanced Testing Help Categories
Help Option Description
Menu Describes the Advanced Testing screen, the Device Groups, and
the diagnostic menus and commands, and gives instructions on
how to use them
Keys Explains the functions of all keystrokes that can be used in Dell
Diagnostics
Device Group Describes the highlighted group in the Device Groups list on the
main menu and provides reasons for using certain tests
Device Describes the highlighted device in the Device Groups list on the
Advanced Testing screen
Test Describes the test procedure for each highlighted test group
subtest
Versions Lists the version numbers of the Dell Diagnostics modules
associated with the Device Groups
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Messages and Codes
•System messages
• System beep codes
• Warning messages
•Diagnostics messages
• Diagnostic lights
• SNMP platform event traps
Your application programs, operating system, and computer can identify
problems and alert you to them. When a problem occurs, a message may
appear on your monitor screen, a beep code may sound, or a light code may
be generated. The following subsections present information about
messages, beep codes, and light codes.
System Messages
If you receive a system message, see the following table for suggestions on
resolving problems indicated by the message. The system messages are
listed alphabetically.
CAUTION: Before servicing any components inside your computer,
see "Safety First—For You and Your Computer."
The messages can help you determine what to do to resolve a problem. If a
problem resolution requires you to open the computer cover, refer to
"Removing and Installing Parts" for procedures you must complete before
performing the suggested resolution. If the problem persists after you
perform the suggested resolution, contact Dell for technical assistance.
NOTE: If the system message you received is not listed in the table, check the
documentation for the application program that you were running at the time
the message appeared and/or the operating system documentation for an
explanation of the message and a recommended action.
Solving Problems 185
System Messages
Message Cause Action
Address mark not found The BIOS found a faulty disk sector
or could not find a particular disk
sector.
See "Hard Drive Problems."
Alert! Card-cage fan not
detected. The expansion-card cooling fan is not
installed, has failed, or is not properly
connected to the system board.
Ensure that an operational expansion-card
cooling fan is installed and connected to
the system board.
To locate the expansion-card cooling fan,
see "Inside the Computer."
Alert! Chipset heat sink
not detected. The chip set heat sink is not properly
installed on the system board. Ensure that chip set heat sink is properly
installed on the system board.
To locate the system-board chip set heat
sink, see "System Board Components."
Alert! Cover was
previously removed. The computer cover was opened. Enter system setup and reset the Chassis
Intrusion option.
Alert! CPU 0 failed Build-
In Self Test (BIST). The microprocessor 0 is faulty or
improperly seated. See "Microprocessor Problems."
Alert! CPU 1 failed Build-
In Self Test (BIST). The microprocessor 1 is faulty or
improperly seated. See "Microprocessor Problems."
Alert! CPU 0 fan not
detected. The microprocessor 0 cooling fan is
not installed, has failed, or is not
properly connected to the system
board.
Ensure that an operational cooling fan for
microprocessor 0 is installed and
connected to the system board. Also,
ensure that the microprocessor airflow
shroud is properly installed.
See "Microprocessor Airflow Shroud."
Alert! CPU 1 fan not
detected. The microprocessor 1 cooling fan is
not installed, has failed, or is not
properly connected to the system
board.
Ensure that an operational cooling fan for
microprocessor 1 is installed and
connected to the system board. Also,
ensure that the microprocessor airflow
shroud is properly installed.
See "Microprocessor Airflow Shroud."
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Alert! OS Install Mode
enabled. Amount of
available memory limited
to 256 MB.
The OS Install Mode option in
system setup is set to On. This limits
the amount of available memory to
256 MB because some OSs will not
complete installation with more than
2 GB of system memory.
After the OS is installed, enter system
setup and set the OS Install Mode option
to Off.
Alert! Power supply fan
failure. The power supply fan has failed or is
blocked. Ensure an operational power supply fan is
installed and that the power supply airflow
vents are not blocked.
To locate the power supply and airflow
vents, see "Inside the Computer."
Alert! Previous attempts
at booting this system
have failed at checkpoint
[nnnn]. For help in
resolving this problem,
please note this
checkpoint and contact
Dell Technical Support.
The computer failed to complete the
boot routine three consecutive times
for the same error.
Contact Dell for technical assistance, and
report the checkpoint code (nnnn) to the
support technician.
Alert! Previous fan
failure. One of the fans caused an error the
last time you used the computer. Ensure that nothing is blocking the chassis
airflow vents on the back of the computer
and that all fans inside the computer are
working properly.
Alert! Previous processor
thermal failure. One or both of the microprocessors
overheated the last time you used the
computer.
Ensure that nothing is blocking the chassis
airflow vents on the back of the computer
and that all fans inside the computer are
working properly. Also, ensure that the
microprocessor heat sinks are properly
installed.
Alert! Previous reboot was
due to voltage regulator
failure.
One or both of the VRMs failed the
last time you used the computer. Contact Dell for technical assistance.
Alert! Previous shutdown
due to thermal event. One of the microprocessors or hard
drives overheated the last time you
used the computer.
Ensure that nothing is blocking the chassis
airflow vents on the back of the computer
and that all fans inside the computer are
working properly. Also, ensure that the
microprocessor heat sinks are properly
installed.
System Messages
(continued)
Message Cause Action
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Alert! Previous voltage
failure. Voltage used by the computer either
exceeded or fell below acceptable
thresholds.
See "Power Problems" and "System Board
Problems."
Alert! Processor Cache
Size Mismatch.
Install like processor or
one processor.
System Halted!
Two microprocessors with different
cache sizes are installed. See "Microprocessor Problems."
Alert! Processor Speed
Mismatch.
Install like processors or
one processor.
System Halted!
Two processors with different speeds
are installed. See "Microprocessor Problems."
Alert! Processor Stepping
Mismatch.
Install like processors or
one processor.
Two processors with different
steppings are installed. See "Microprocessor Problems."
Alert! Processor Type
Mismatch.
Install like processors or
one processor.
System Halted!
Two processors with different types
are installed. See "Microprocessor Problems."
Alert! System battery
voltage is low. System battery is providing
inadequate voltage. See "Battery Problems."
Alert! Unable to
initialize all installed
memory.
One or more memory modules may
be faulty or improperly seated. See "System Memory Problems."
Alert! Uncorrectable
memory error previously
detected ...
Address XXXXXXXXh,
Device RIMM_Y
One or more memory modules may
be faulty or improperly seated, or the
system board may be faulty.
See "System Memory Problems" and
"System Board Problems."
System Messages
(continued)
Message Cause Action
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Attachment failed to
respond The diskette drive or hard drive
controller cannot send data to the
associated drive.
See "Diskette Drive Problems" and "Hard
Drive Problems."
Bad command or file name The command you entered does not
exist or the file name you specified is
faulty.
Ensure that you have spelled the
command correctly, put spaces in the
proper place, and used the correct
pathname.
Bad error-correction code
(ECC) on disk read The diskette drive or hard drive
controller detected an uncorrectable
read error.
See "Diskette Drive Problems" and "Hard
Drive Problems."
Controller has failed The hard drive or the associated
controller is defective. See "Hard Drive Problems."
Data error The diskette or hard drive cannot
read the data. For Microsoft® Windows® 2000 and for
Windows XP, run the chkdsk utility to
check the file structure of the diskette or
hard drive. See your operating system
documentation for more information.
If you are using a different operating
system, run the appropriate utility to
check the file structure of the diskette or
hard drive. See your operating system
documentation.
Decreasing available
memory One or more memory modules may
be faulty or improperly seated. See "System Memory Problems."
Diskette drive 0 seek
failure A cable may be loose, or the system
configuration information may not
match the hardware configuration.
See "Diskette Drive Problems."
Diskette read failure A cable may be loose, or the diskette
may be faulty. See "Diskette Drive Problems."
Diskette subsystem reset
failed The diskette drive controller may be
faulty. Run the Diskette tests in the Dell
Diagnostics.
Diskette write protected The diskette write-protect feature is
activated. Remove the diskette from drive A and
move the write-protect tab to the
unlocked position.
Drive not ready No diskette is in the drive. The
operation requires a diskette in the
drive before it can continue.
Put a diskette in the drive or close the
drive latch.
System Messages
(continued)
Message Cause Action
Solving Problems 189
Gate A20 failure One or more memory modules may
be loose. See "System Memory Problems."
General failure The operating system is unable to
carry out the command. This message is usually followed by
specific information—for example,
PRINTER OUT OF PAPER. Respond by
taking the appropriate action.
Hard disk configuration
error The hard drive failed initialization. See "Hard Drive Problems."
Hard disk controller
failure
Hard disk failure
Hard drive read failure
The hard drive failed initialization. See "Hard Drive Problems."
Invalid configuration
information - please run
SETUP program
The system configuration
information does not match the
hardware configuration.
Enter system setup and correct the system
configuration information.
Keyboard controller
failure
Keyboard failure
Keyboard stuck key failure
A cable or connector may be loose, or
the keyboard or keyboard/mouse
controller may be faulty.
See "Keyboard Problems."
Memory address line
failure at address, read
value expecting value
One or more memory modules may
be faulty or improperly seated. See "System Memory Problems."
Memory allocation error The software you are attempting to
run is conflicting with the operating
system or another application
program or utility.
Turn off the computer, wait 30 seconds,
and turn it on. Try to run the program
again. If the problem persists, contact the
software company.
System Messages
(continued)
Message Cause Action
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Memory data line failure
at address, read value
expecting value
Memory double word logic
failure at address, read
value expecting value
Memory odd/even logic
failure at address, read
value expecting value
Memory write/read failure
at address, read value
expecting value
One or more memory modules may
be faulty or improperly seated. See "System Memory Problems."
Memory size in CMOS
invalid The amount of memory recorded in
the system configuration information
does not match the memory installed
in the computer.
Reboot the computer. If the error appears
again, see "System Memory Problems."
No boot device available The computer cannot find the
diskette or hard drive. Enter system setup, check the system
configuration information for the diskette
and hard drive, and if necessary, correct
the information.
No boot sector on hard
drive The system configuration
information in system setup may be
incorrect, or the operating system
may be corrupted.
Enter system setup, check the system
configuration information for the hard
drive, and if necessary, correct the
information.
If the message persists, reinstall your
operating system. See the documentation
that came with your operating system.
No timer tick interrupt A chip on the system board might be
malfunctioning. Run the System Board Devices tests in the
Dell Diagnostics.
Non-system disk or disk
error The diskette in drive A or your hard
drive does not have a bootable
operating system installed.
A nonbootable diskette is in drive A.
Either replace the diskette with one that
has a bootable operating system, or
remove the diskette from drive A and
restart the computer.
Not a boot diskette There is no operating system on the
diskette. Boot the computer with a diskette that
contains an operating system.
System Messages
(continued)
Message Cause Action
Solving Problems 191
Please connect USB
Keyboard/Mouse to USB
port(s) on the back of the
computer.
The USB keyboard and/or mouse
must be connected to the USB
connectors on the back of the
computer.
Turn your computer off, connect the USB
keyboard and/or mouse to one of the USB
connectors on the back of the computer,
and restart your computer. See "Back-
Panel Features."
Plug and Play
Configuration Error The computer has encountered a
problem in trying to configure one or
more expansion cards.
See "Expansion-Card Problems."
Read fault
Requested sector not found
The operating system cannot read
from the diskette or hard drive.
The computer could not find a
particular sector on the disk, or the
requested sector is defective.
See "Diskette Drive Problems" and "Hard
Drive Problems."
Reset failed The disk reset operation failed. See "Diskette Drive Problems" and "Hard
Drive Problems."
Sector not found The operating system is unable to
locate a sector on the diskette or hard
drive.
See "Diskette Drive Problems" and "Hard
Drive Problems."
Seek error The operating system is unable to
find a specific track on the diskette or
hard drive.
If the error is on the diskette drive, try a
different diskette in the drive.
Shutdown failure A chip on the system board might be
malfunctioning. Run the System Board Devices tests in the
Dell Diagnostics.
Time-of-day clock stopped The battery may be dead. Enter system setup and correct the date or
time.
If the problem persists, see "Battery
Problems."
Time-of-day not set The time or date displayed in the
system configuration information
does not match the system clock.
Enter system setup and correct the date or
time.
Timer chip counter 2
failed A chip on the system board might be
malfunctioning. Run the System Board Devices tests in the
Dell Diagnostics.
Unexpected interrupt in
protected mode The keyboard controller might be
malfunctioning, or one or more
memory modules may be loose.
Run the System Memory and the
Keyboard tests in the Dell Diagnostics.
System Messages
(continued)
Message Cause Action
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System Beep Codes
If an error occurs during startup that cannot be reported on the monitor,
your computer may emit a beep code that identifies the problem. The beep
code is a pattern of sounds: for example, one beep, followed by a second
beep, and then a burst of three beeps (code 1-1-3) means that the computer
was unable to read the data in NVRAM.
If a beep code is emitted, write it down on a copy of the Diagnostics
Checklist and look it up in the following table. If you are unable to resolve
the problem by looking up the meaning of the beep code, use the Dell
Diagnostics to identify a more serious cause. If you are still unable to resolve
the problem, contact Dell for technical assistance.
If the computer loses power and beeps constantly when you turn it back on,
the BIOS is probably corrupted. See "BIOS Recovery Utility" for
information on restoring the BIOS.
WARNING: Dell’s Disk
Monitoring System has
detected that drive [0/1]
on the [primary/secondary]
EIDE controller is
operating outside of
normal specifications. It
is advisable to
immediately back up your
data and replace your hard
drive by calling your
support desk or Dell
Computer Corporation.
POST has queried the EIDE drive for
status information. The drive has
indicated it has detected possible
error conditions for its operating
specifications.
When your computer finishes booting,
immediately back up your data and
replace your hard drive. Restore the data
to the replacement drive.
Back up the data on your hard drive. If a
replacement drive is not immediately
available and the drive is not the only
bootable drive, enter system setup and
change the appropriate drive setting to
None. Remove the drive from the
computer.
Write fault
Write fault on selected
drive
The operating system cannot write to
the diskette or hard drive. See "Diskette Drive Problems" and "Hard
Drive Problems."
System Messages
(continued)
Message Cause Action
Solving Problems 193
System Beep Codes
Code Cause Action
1-1-2 Microprocessor register failure Contact Dell for technical assistance.
1-1-3 NVRAM read/write failure Run the System Board Devices tests in the Dell
Diagnostics.
1-1-4 ROM BIOS checksum failure Run the System Board Devices tests in the Dell
Diagnostics, if possible.
1-2-1 Programmable interval timer Run the System Board Devices tests in the Dell
Diagnostics, if possible.
1-2-2 DMA initialization failure Run the System Board Devices tests in the Dell
Diagnostics, if possible.
1-2-3 DMA page register read/write failure Run the System Board Devices tests in the Dell
Diagnostics, if possible.
1-3 Video memory failure Run the VESA/VGA Interface tests in the Dell
Diagnostics.
1-3-1
through
2-4-4
Memory modules not being properly identified or used See "System Memory Problems."
3-1-1 Slave DMA register failure Run the System Board Devices tests in the Dell
Diagnostics, if possible.
3-1-2 Master DMA register failure Run the System Board Devices tests in the Dell
Diagnostics, if possible.
3-1-3 Master interrupt mask register failure Contact Dell for technical assistance.
3-1-4 Slave interrupt mask register failure Contact Dell for technical assistance.
3-2-2 Interrupt vector loading failure Contact Dell for technical assistance.
3-2-4 Keyboard controller failure Run the Keyboard tests in the Dell Diagnostics.
Otherwise, contact Dell for technical assistance.
3-3-1 NVRAM power loss Run the System Board Devices tests in the Dell
Diagnostics, if possible.
3-3-2 NVRAM configuration Run the System Board Devices tests in the Dell
Diagnostics, if possible.
3-3-3 Real-time clock (RTC) or keyboard controller not
found Run the Keyboard and System Board Devices tests in
the Dell Diagnostics. Otherwise, contact Dell for
technical assistance.
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Warning Messages
Your application programs or operating system generate warning messages
to alert you to a possible problem and ask you to take an action before you
continue. For example, before you format a diskette, a message may warn
you that you can lose all data on the diskette as a way to protect against
inadvertently erasing or writing over the data. These warning messages
usually interrupt the procedure and require you to respond by typing a y
(yes) or n (no).
3-3-4 Video memory failure Run the VESA/VGA Interface tests in the Dell
Diagnostics.
3-4-1 Video initialization failure Run the VESA/VGA Interface tests in the Dell
Diagnostics.
3-4-2 Video retrace failure Run the VESA/VGA Interface tests in the Dell
Diagnostics.
3-4-3 Search for video ROM failure Run the VESA/VGA Interface tests in the Dell
Diagnostics.
4-2-1 Timer tick failure Contact Dell for technical assistance.
4-2-2 Shutdown failure Contact Dell for technical assistance.
4-2-3 Gate A20 failure Contact Dell for technical assistance.
4-2-4 Unexpected interrupt in protected mode Contact Dell for technical assistance.
4-3-1 Memory failure above address 0FFFFh Run the System Memory tests in the Dell Diagnostics.
4-3-3 Timer-chip channel 2 failure Contact Dell for technical assistance.
4-3-4 Time-of-day clock stopped Contact Dell for technical assistance.
4-4-1 Serial or parallel port failure Run the Serial Ports and the Parallel Ports tests in the
Dell Diagnostics.
5-1-2-3 Memory read/write failure See "System Memory Problems."
5-2-2-1 Mismatch or unsupported memory modules See "System Memory Problems."
5-2-2-2 Mismatch memory module pair See "System Memory Problems."
5-2-2-3 Unable to initialize memory modules See "System Memory Problems."
System Beep Codes
(continued)
Code Cause Action
Solving Problems 195
Diagnostics Messages
When you run a test group or subtest in the Dell Diagnostics, an error
message may result. These error messages are not covered in this section.
Record the message on a copy of your Diagnostics Checklist and contact
Dell for technical assistance.
Diagnostic Lights
Your computer has a series of lights that can help you analyze and solve
problems with your computer. To locate these lights, see "Front View of the
Computer (Doors Open)."
•System lights
• Diagnostic lights
CAUTION: Before servicing any components inside your computer,
see "Safety First—For You and Your Computer."
The lights can help you determine what to do to resolve a problem. If a
problem resolution requires you to open the computer cover, refer to
"Removing and Installing Parts" for procedures you must complete before
performing the suggested resolution. If the problem persists after you
perform the suggested resolution, contact Dell for technical assistance.
System Lights
The following table lists the codes for the system lights, gives probable
causes, and suggests corrective actions.
System Light Codes
Power Light Hard Drive Light Cause Corrective Action
Solid green N/A Power is on, and the computer is
operating normally. No corrective action is required.
Blinking green Blank The computer is in the suspended
state (Windows 2000 and Windows
XP).
Use one of the appropriate methods
to "wake up" the computer. See
"Power Management."
Blinks green several
times and then
turns off
N/A There is a configuration error. Check the diagnostic lights to see if
the specific problem is identified.
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Solid yellow N/A The Dell Diagnostics is running a
test, or a device on the system board
may be faulty or incorrectly installed.
If the Dell Diagnostics is running,
allow the testing to complete.
Check the diagnostic lights to see if
the specific problem is identified.
Also, see "System Board Problems."
If the computer does not boot,
contact Dell for technical assistance.
Blinking yellow Blank There is a power supply or system
board failure. Check the diagnostic lights to see if
the specific problem is identified.
Also, see "Power Problems" and
"System Board Problems."
Blinking yellow Solid green There is a system board failure. Check the diagnostic lights to see if
the specific problem is identified.
Also, see "System Board Problems."
Solid green and a
beep code during
POST
N/A A problem was detected while the
BIOS was executing. See "System Beep Codes" for
instructions on diagnosing the beep
code. Also, check the diagnostic lights
to see if the specific problem is
identified.
Solid green power
light and no beep
code and no video
during POST
N/A The monitor or the graphics card may
be faulty or incorrectly installed. Check the diagnostic lights to see if
the specific problem is identified.
Also, see "Video Problems."
Solid green power
light and no beep
code but the
computer locks up
during POST
N/A An integrated system board device
may be faulty. Check the diagnostic lights to see if
the specific problem is identified. If
the problem is not identified, contact
Dell for technical assistance.
System Light Codes
(continued)
Power Light Hard Drive Light Cause Corrective Action
Solving Problems 197
Diagnostic Lights
When you turn on your computer, it performs a series of self-diagnostic
checks. A successful POST ends with a single beep that signifies the start of
normal operation. If the computer fails to complete the POST, a series of
lights located on the computer can help you understand which test failed or
why the computer stopped responding. These lights communicate problems
encountered before and during POST only, not during normal operation. To
locate the diagnostic lights, see "Front View of the Computer (Doors
Open)."
The following tables lists the codes for the diagnostic lights, gives probable
causes, and suggests corrective actions. The lights are labeled to help you
match the pattern on your computer with one shown in the tables:
• Diagnostic Light Codes Before POST
• Diagnostic Light Codes During POST
Preboot Diagnostic Codes
The following table lists the codes for the diagnostic lights that occur before
the computer begins the POST.
Diagnostic Light Codes Before POST
Light Pattern Cause Action
No electrical power is supplied to the
computer. Connect the computer to its electrical outlet. Ensure that
the front-panel power light is on. If the power light is off,
ensure that the computer is connected to a working
electrical outlet and then press the power button.
If the problem is still not resolved, contact Dell for
technical assistance.
A B C D
= yellow
= green
= off
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Normal off condition. Computer is
connected to its electrical outlet. Ensure that the front-panel power light is on. If the power
light is off, ensure that the computer is connected to a
working electrical outlet and then press the power button.
When the computer is operating normally, it can be
automatically or remotely started as long as it remains
connected to an electrical outlet. For more information, see
"Power Management."
If the problem is still not resolved, contact Dell for
technical assistance.
Computer is in a reduced power or
"sleep" state. Use one of the appropriate methods to "wake up" the
computer. See "Power Management."
If the problem is still not resolved, contact Dell for
technical assistance.
BIOS is not executing. Perform the procedure in "Reset Corrupted BIOS Settings."
Possible power supply or power cord
failure. Perform the procedure in "Power Problems."
Possible system board failure. Contact Dell for technical assistance.
Microprocessor and/or VRM
mismatch. Perform the procedure in "Microprocessor Problems."
Possible VRM 0 failure. Perform the procedure in "Microprocessor Problems."
Diagnostic Light Codes Before POST
(continued)
Light Pattern Cause Action
= yellow
= green
= off
A B C D
A B C D
A B C D
A B C D
A B C D
A B C D
A B C D
Solving Problems 199
Boot Diagnostic Codes
The following table lists the codes for the diagnostic lights that occur while
the computer is performing the POST.
NOTE: If the computer is turned on and all four diagnostic lights are not on,
see "Preboot Diagnostic Codes."
Possible VRM 1 failure. Perform the procedure in "Microprocessor Problems."
Possible VRM 0 and VRM 1 failure. Perform the procedure in "Microprocessor Problems."
Possible memory riser board A failure. Perform the procedure in "System Memory Problems."
Possible memory riser board B failure. Perform the procedure in "System Memory Problems."
Possible memory riser board A and
riser board B failure. Perform the procedure in "System Memory Problems."
Diagnostic Light Codes Before POST
(continued)
Light Pattern Cause Action
= yellow
= green
= off
A B C D
A B C D
A B C D
A B C D
A B C D
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Diagnostic Light Codes During POST
Light Pattern Cause Action
Possible BIOS failure, and the computer is in
the recovery mode. Run the BIOS Recovery Utility, and restart the
computer to retest.
If the problem is still not resolved, perform the
procedure in "Reset Corrupted BIOS Settings."
Possible microprocessor failure. Perform the procedure in "Microprocessor
Problems."
Possible memory failure. Perform the procedure in "System Memory
Problems."
Possible expansion card failure or conflict. Perform the procedure in "Expansion-Card
Problems" and see "Hardware Conflicts."
Possible video card failure. Reseat the video card, and restart the computer
to retest. For instructions on removing and
installing an expansion card, see "Removing an
Expansion Card."
If the problem is not resolved, perform the
procedure in "Expansion-Card Problems."
If the problem is still not resolved, contact Dell
for technical assistance.
Possible diskette drive or hard drive failure. Perform the procedures in "Diskette Drive
Problems" and "Hard Drive Problems."
A B C D
A B C D
A B C D
A B C D
A B C D
A B C D
= yellow
= green
= off
Solving Problems 201
SNMP Platform Event Traps
Your computer generates SNMP PET messages that are sent to network
management software to inform the network manager that specific events
have occurred on your computer.
The following table lists the SNMP platform event traps your computer
generates.
Possible USB failure. Disconnect all USB devices and cables, and
restart the computer to retest. Then reconnect
all USB devices and cables, and restart the
computer to retest.
If the problem is still not resolved, contact Dell
for technical assistance.
Possible system board resource and/or hardware
failure. Perform the procedure in "System Board
Problems" and see "Hardware Conflicts."
Possible system board resource and/or hardware
failure. Perform the procedure in "System Board
Problems" and see "Hardware Conflicts."
Possible expansion card failure or conflict. Perform the procedure in "System Board
Problems" and see "Hardware Conflicts."
Possible system board resource and/or hardware
failure. Perform the procedure in "System Board
Problems" and see "Hardware Conflicts."
Normal operating condition after POST. No action is necessary.
Diagnostic Light Codes During POST
(continued)
Light Pattern Cause Action
= yellow
= green
= off
A B C D
A B C D
A B C D
A B C D
A B C D
A B C D
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SNMP Platform Event Traps
Description Code
BIOS boot failure 02 03 23 6f 00
Fan failure 02 03 04 06 01
Chassis intrusion 02 03 05 6f 00
Temperature failure 02 03 01 06 01
Invalid password 02 03 06 6f 01
Voltage failure 02 03 02 06 01
PC presence 02 03 25 6f 00
Solving Problems 203
Software Problems
• Operating system compatibility
• Multiple microprocessor compatibility
• Input errors
• Error messages
• Device drivers
• Memory-resident programs
• Program conflicts
• Memory address conflicts
• Interrupt assignment conflicts
• BIOS recovery utility
This section provides general guidelines for analyzing software problems.
See "Finding Information and Assistance" for a list of software resources
available to you from Dell, including drivers, utilities, documentation, and
operating system backups. For detailed troubleshooting information on a
particular application program, see the documentation that accompanied
the software or consult the support service for the software vendor.
If your computer is behaving erratically, back up your files immediately. If
your computer has a tape drive installed, see the documentation that came
with the tape backup software for instructions on performing a backup
operation. Otherwise, see your operating system documentation for
information on backing up data files.
Basic Checks:
•Ensure that the application program is compatible with the operating
system installed in your computer and that your computer meets the
minimum hardware requirements needed to run the software. For
more information, see "Operating System Compatibility."
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•If you have dual microprocessors installed, ensure that the application
program is compatible with multiple microprocessors. Many older
applications cannot use multiple processors. For more information, see
"Multiple Microprocessor Compatibility."
•Ensure that you properly installed and configured the application
program. Reinstall the program if necessary.
Consult the software documentation or contact the software
manufacturer for detailed troubleshooting information on a particular
application program.
•Ensure that you have not made an error while entering data.
•Ensure that problems are not caused by a virus — Use a virus-scanning
application program to check the software installation diskettes or
CDs before using them.
•After you have checked the software installation diskettes or CDs with
a virus-scanning application program, you should disable the virus-
scanning application program before installing the software. You
should also disable any other application programs that are "hidden,"
or operate in the background.
•Verify that the program’s device drivers do not conflict with certain
application programs. For more information, see "Device Drivers."
•Confirm that a problem is software-related by running the System
Board Devices tests in the Dell Diagnostics. If all tests run successfully,
the error condition may be related to a software problem.
•Ensure that the use of TSR programs has not resulted in a memory
conflict.
•Remove or confirm the possibility of a program conflict by rebooting
your computer.
•Ensure that a hardware conflict does not exist between devices.
Solving Problems 205
Operating System Compatibility
Ensure that the computer's operating environment is set up to
accommodate the application programs you use. Whenever you change the
operating environment parameters, you may also affect the successful
operation of the application programs. Sometimes, after modifying the
operating environment, you may need to reinstall a program that no longer
runs properly.
Multiple Microprocessor Compatibility
If dual microprocessors are installed, verify that all application programs will
operate in multi-processor mode. Many older applications cannot use
multiple processors.
If you have verified that your applications will support multiple processors
but the problem still exists, perform the procedures in "Microprocessor
Problems."
Input Errors
If a specific key or set of keys is pressed at the wrong time, a program may
give you unexpected results. See the documentation that came with your
application program to ensure that the values or characters you are entering
are valid.
Error Messages
Error messages are produced by the operating system, an application
program, or the computer. "Messages and Codes" discusses error messages
that are generated by the operating system. If you receive an error message
that is not listed in "Messages and Codes," check your application program
documentation.
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Device Drivers
Programs that use specialized subroutines called device drivers can also
cause problems with your computer. For example, a variation in the way the
data is sent to the monitor may require a special screen driver program that
expects a certain kind of video mode or monitor. In such cases, you may
have to develop an alternative method of running that particular program—
the creation of a boot file made especially for that program, for example.
Call the support service for the software you are using to help you with this
problem.
Memory-Resident Programs
Many utilities and supplementary programs load either when the computer
boots or from an operating system prompt. These programs are designed to
stay resident in system memory and thus always be available for use.
Because they remain in the computer's memory, memory conflicts and
errors can result when other programs require use of all or part of the
memory already occupied by these TSR programs.
Typically, your operating system's startup files or folder contain commands
to start TSR programs when you turn on your computer. If you suspect that
one of these TSR programs is causing a memory conflict, remove the
commands that start them from the start-up file. If the problem you were
experiencing does not recur, one of the TSR programs probably created the
conflict. Add the TSR commands back into the start-up files one at a time
until you identify which TSR program is creating the conflict.
Program Conflicts
Some programs may leave portions of their setup information behind, even
though you have exited from them. As a result, other programs cannot run.
Rebooting your computer can confirm whether these programs are causing
the problem.
Solving Problems 207
Memory Address Conflicts
Memory address conflicts occur when two or more devices try to access the
same address in the upper memory blocks. For example, if a network
expansion card and an expanded-memory page frame are assigned an
overlapping block of addresses, a memory address conflict arises. As a result,
when you try to log in to the network, the operation fails.
To resolve this type of conflict, you can change the address of one of the
devices. For example, in the case of the network expansion card and
expanded-memory page-frame address conflict, you can move the network
card to an address block in the range of CC000h through D0000h. To
reassign the expansion card's address block, refer to the documentation for
the card.
Interrupt Assignment Conflicts
Problems can arise if two devices attempt to use the same IRQ. To avoid
this type of conflict, check the documentation for the default IRQ setting
for each installed expansion card. Then consult the following table to
configure the card for one of the available IRQs.
NOTE: The following table lists default IRQ settings. In computers with Plug
and Play capabilities, you can modify the defaults. If you install a Plug and
Play card in a Plug and Play computer, the computer automatically selects an
open IRQ if any are available.
Default IRQ Assignments
IRQ Used/Available
IRQ0 Used by the system timer
IRQ1 Used by the keyboard to signal that the output buffer is full
IRQ2 Used by interrupt controller 1 to enable IRQ8 through IRQ15
IRQ3 Used by serial port 2
IRQ4 Used by serial port 1
IRQ5 Available
IRQ6 Used by the diskette/tape drive controller
IRQ7 Used by the parallel port
IRQ8 Used by the real-time clock (RTC)
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BIOS Recovery Utility
If your computer loses power and beeps constantly but does not boot when
power is restored, the BIOS settings may be corrupted. However, these
symptoms can be caused by several different problems. Before you restore
the BIOS, check the beep codes and diagnostic lights to see if a specific
problem is identified. Otherwise, perform the following steps to restore the
BIOS:
1Turn off the computer and disconnect it from its electrical outlet.
2Go to a different computer that is working properly, and download the
BIOS update utility for the computer from the Dell support website.
NOTE: After you download the BIOS update utility, generate the BIOS
recovery utility. To generate the recovery utility, you can use any
functioning computer. You do not have to use a computer of the same type
or model as the malfunctioning computer.
aGo to http://support.dell.com.
If this is your first time to use this website, complete the one-time
registration.
bClick Downloads for Your Dell.
cEnter the Service Tag Number for the computer or select the
appropriate Dell system.
dSelect the appropriate OS and language for the malfunctioning
computer.
IRQ9 Available
IRQ10 Available
IRQ11 Available
IRQ12 Used by the mouse port
IRQ13 Used by the math coprocessor (if applicable)
IRQ14 Used by the primary/secondary IDE controller (if enabled)
IRQ15 Used by the primary/secondary IDE controller (if enabled)
Default IRQ Assignments
(continued)
IRQ Used/Available
Solving Problems 209
eSelect FlashBIOS Updates for the download category.
fClick Go.
3Follow the instructions on the screen to download the BIOS update
utility.
NOTE: For some Dell systems, you are given a choice to create a diskette
containing the BIOS update files or to download a file you can use from
the hard drive. Select the choice to use the file that requires no
installation mechanism, or application. This allows you to download a file
that you can use from the hard drive.
4Go to an MS-DOS prompt.
5Change to the drive and file path where you downloaded the utility.
6Type the command xxxxx -writehdrfile (where xxxxx is the name
of the BIOS update executable file on the diskette) and press
<Enter>.
This generates a file with an .hdr extension, and a message appears
indicating that the .hdr file has been written.
7Copy the .hdr file to a blank, formatted diskette.
NOTE: This diskette does not have to be bootable. All operations for the
recovery utility are performed by the BIOS, and no boot files are required.
8Insert the diskette into the diskette drive of the malfunctioning
computer. Then turn the computer on.
The computer automatically regenerates the BIOS from the diskette.
9Remove the diskette from the diskette drive so that the computer does
not boot from the diskette the next time you start the computer.
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SECTION 7
Microsoft® Windows®
XP Features
Overview of Windows XP
New User Interface
Files and Settings Transfer Wizard
Application and Device Compatibility
System Restore
User Accounts and Fast User Switching
Home and Small Office Networking
Internet Connection Firewall
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Overview of Windows XP
Based on an enhanced version of the Windows® 2000 operating system,
Windows XP is available in consumer and business editions: Windows XP
Home Edition and Windows XP Professional. The features discussed are
available in both editions, but the Professional version, designed for
business environments, includes additional productivity, security,
networking, and management features important in business environments.
For home users, Windows XP brings the significantly increased stability and
security inherent in the Windows 2000/Windows NT® operating systems. It
also provides better support for portable computers. Key new Windows XP
features include:
•An improved desktop and user interface
•Files and Settings Transfer Wizard
•Application program compatibility enhancements
•System Restore
•Fast User Switching*
•Expanded home and small office networking functions*
•A personal firewall for always-on Internet connections*
*Home and small office features
Help and Support Center
The Help and Support Center, introduced with Microsoft Windows
Millennium Edition (Me), replaces Windows Help from earlier operating
systems. The Help and Support Center provides an integrated resource
center for information and assistance in using, configuring, and
troubleshooting your computer and installed hardware devices and software.
For Windows XP, the Help and Support Center features expanded search
capabilities, including full-text search and the capability to search across
multiple remote sites in addition to files resident on the hard drive. You can
use a single print command to print an entire chapter of help content.
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To open Help and Support Center, click Start, then click Help and Support.
From the home page, you can conduct a search or select categories of
information, leading to task and information topics covering the use of your
computer. Click User and System Guides for information on using your
Dell™ computer, including installed hardware devices and software.
Advanced Features 215
New User Interface
Windows XP features a redesigned user interface with a new visual style, a
less cluttered desktop, and built-in desktop cleanup features. Window
layout has also been changed for Windows XP and, as in the Control Panel,
emphasizes task presentation. The Start menu has been redesigned. The
left half of the new Start menu includes the most frequently used icons. As
you use your computer, the icons in this area are changed and rearranged
depending on your computer usage patterns. If you wish to keep one of the
icons permanently in its location, right-click the icon and click Pin to Start
menu.
To access all the programs installed on the computer, click All Programs at
the bottom of the Start menu. The right half of the new Start menu
contains useful icons for accessing your files, configuring the computer, and
finding information and assistance. The Dell Solution Center icon opens a
portal to services and application programs installed on your Dell computer.
Switching to Classic View
If you wish, you may change the appearance of the Start menu, desktop and
windows, or Control Panel layout to that of earlier Windows operating
systems. These classic view options are independent of each other.
You can easily switch back and forth between the new Control Panel
category view and the classic icon view by clicking Switch to Classic View or
Switch to Category View in the upper left area of the Control Panel
window. This can be handy if you would like to take advantage of the new,
task-oriented features of the Windows XP Control Panel, but you are
accustomed to performing a particular task with the icon-oriented classic
Control Panel.
To change the appearance of the Start menu to the classic view:
1Right click the empty area on the task bar.
2Click Properties.
3Click the Start Menu tab.
4Select Classic Start Menu and click OK.
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If you prefer the classic window and button appearance, perform the
following steps:
1Right-click anywhere on the main desktop screen and click Properties.
2Click the Appearance tab.
3From the Windows and buttons dropdown box, select Windows
Classic style.
4To customize color, font, and other classic desktop options, click
Advanced.
5When you have completed your appearance selections, click OK.
Clean Desktop Wizard
Another feature of Windows XP is the Desktop Cleanup Wizard. The
wizard runs 7 days after you first start your computer and every 60 days after
that. The Desktop Cleanup Wizard first opens a dialog box informing you
that there are unused icons on the desktop and asking whether you want to
run the wizard. If you elect to run the wizard, it places unused desktop icons
in the folder C:\Desktop Icons.
The default for the Desktop Cleanup Wizard is on. To turn the wizard off:
1Right-click anywhere on the main desktop screen and click Properties.
2Select the Desktop tab and click Customize Desktop.
3In the Desktop cleanup options make sure that the Run Desktop
Cleanup Wizard every 60 days box is not checked.
You can run the Desktop Cleanup Wizard anytime by following these steps:
1Right-click anywhere on the main desktop screen and select
Properties.
2Click the Desktop tab and click Customize Desktop.
3Click Clean Desktop Now.
4When the Desktop Cleanup Wizard welcome screen appears, click
Next>.
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5In the Shortcuts list, deselect any shortcuts you want to leave on the
desktop, and then click Next>.
6Click Finish to remove the shortcuts and close the wizard.
The shortcuts are moved to the folder C:\Desktop Icons.
To access desktop icons removed by Windows XP, click Start, then click Dell
Solution Center.
Taskbar Grouping
The Windows taskbar is a row of buttons that typically displays across the
bottom of the screen. The taskbar includes the Start menu button and a
button for each open application. (The taskbar also includes the Quick
Launch icons and the notification area.) Windows XP groups multiple
instances of the same application on the taskbar. For example, if six
instances of Internet Explorer are open, each displaying a button on the
taskbar, Windows XP groups the buttons next to one another on the taskbar.
If space becomes an issue on the taskbar, Windows XP consolidates all the
Internet Explorer buttons into a single button. When clicked, that button
expands to a menu of the six Internet Explorer active sessions.
Notification Area Cleanup
Over time, software icons tend to proliferate in the notification area, the
area in the bottom right corner of the Windows desktop. Windows XP
detects when icons in the notification area are not being accessed and hides
them. A caret, or chevron, button indicates that there are hidden icons that
can be viewed by selecting the button. You can also configure the
notification area manually by right-clicking the taskbar, selecting Properties,
then clicking Customize... in the Taskbar and Start Menu Properties
window. For example, you may choose to hide the antivirus program icon
because it is rarely accessed, but display the audio volume icon because it is
used frequently. The notification area cleanup feature is automatically
enabled when the operating system is installed, but you may disable it by
unchecking Hide inactive icons in the Taskbar and Start Menu Properties
window.
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Advanced Features 219
Files and Settings Transfer Wizard
The Files and Settings Transfer Wizard is used to migrate personal files and
settings from one computer to another (for instance, when upgrading to a
new computer). Personal files include the documents, images, spreadsheets,
presentations, and e-mail messages on your computer. User settings include
display properties, window sizes, toolbar settings, dial-up connections,
Internet bookmarks, and so forth on your computer. The Files and Settings
Transfer Wizard is run on a source (old) computer to collect the data and is
run again on the destination (new) computer to import the data. If the old
computer is using an earlier operating system, the wizard can be launched
either from the Windows XP CD or from a diskette created on the new
Windows XP computer. You transfer the data to the new computer over a
network or direct serial connection, or store it on a removable medium such
as a floppy disk, Zip disk, or writable CD.
To use the Files and Settings Transfer Wizard:
1On the new Windows XP computer, click Start, point to All
Programs—> Accessories—> System Tools, and click Files and
Settings Transfer Wizard.
2On the Files and Settings Transfer Wizard welcome screen, click
Next>.
3On the Which computer is this? screen, select New Computer, and
then click Next>.
The Do you have a Windows XP CD? screen appears.
The Files and Settings Transfer Wizard guides you through the steps
necessary to transfer user settings, personal files, or both to the new
computer. If a CD drive is not available, the wizard allows you to create a
wizard diskette to run on your old computer.
NOTE: The time required to collect and transfer data depends on the amount
of data collected. Times can vary from just a few minutes to several hours.
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Advanced Features 221
Application and Device Compatibility
Although Windows XP is designed to be compatible with a wide range of
application programs and hardware devices, some older programs and
devices may not be usable. Check the Microsoft website at
www.microsoft.com for application programs and hardware devices known
to be compatible. When buying new software and devices, look for those
that are labeled as ready for Windows XP. If you encounter problems using
an application program designed for an earlier Windows operating system,
Windows XP provides a compatibility mode feature (see “Program
Compatibility Wizard”). If you are unsuccessful at installing application
programs or hardware devices designed to operate on earlier Windows
operating systems, contact the manufacturer of the product for information
or updates for Windows XP.
Windows XP also includes a new technology that addresses the problems
sometimes encountered on previous operating systems with Windows
application programs that, when installed, replace current versions of
certain Windows files with older versions. This situation can cause
problems with the newer application programs, which rely on the replaced
files. To eliminate this problem and improve operating system stability,
Windows XP manages multiple versions of files and invokes the correct
version required by a program.
NOTE: If you experience problems with your operating system or other
applications after performing an installation, you can use System Restore to
return your computer to a previous stable condition.
Program Compatibility Wizard
A program compatibility feature is provided in Windows XP that solves
some issues that may be encountered when attempting to run older
application programs. Using the Program Compatibility Wizard, you can
configure a program to run in an environment closer to Windows 95,
Windows 98/Me, Windows NT 4.0 with Service Pack 5, or Windows 2000.
To use the Program Compatibility Wizard:
1Click Start, point to All Programs—> Accessories, and click Program
Compatibility Wizard.
2When the welcome screen appears, click Next>.
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3Select how you want to locate the program to run with compatibility
settings: from a list, available on a CD, or manually located. Then click
Next>.
4Select the type of operating system for which the program was
designed or on which it ran successfully, and then click Next>.
5If necessary, as for some games, select display settings for the program.
6Click Next>.
7To test the compatibility settings for the program, click Next>.
After you have determined whether the program is running correctly,
return to the Program Compatibility Wizard window.
8Select Yes if the program ran correctly, No, try different compatibility
settings, or No, I am finished trying compatibility settings and click
Next>.
9Select either Yes to send information about the settings you used and
whether they fixed the problem, or select No, and then click Next>.
10 Click Finish to close the wizard.
Advanced Features 223
System Restore
The System Restore feature of Windows XP provides the capability to
restore the operating system, in the event of a problem, to a previous state
without losing personal data files (such as Word documents, drawings, or e-
mail).
System Restore actively monitors system file changes and some application
file changes to record or store previous versions before the changes occurred.
System Restore maintains a rolling record of restore points; in order to limit
the amount of space used, older restore points are purged to make room for
newer ones.
In the event of a serious operating system problem, System Restore can be
used from Safe Mode or Normal Mode to go back to a previous system state,
restoring optimal system functionality.
NOTE: System Restore does not revert user data or document files, so
restoring does not cause loss of work, mail, or browsing history and favorites.
NOTE: It is important to make regular backups of your data files. System
Restore does not monitor changes to or recover your data files. In the event the
original data on the hard drive is accidentally erased or overwritten or
becomes inaccessible because of a hard-drive malfunction, backup files are
required to recover lost or damaged data.
Using System Restore
System Restore monitors a core set of system and application program files,
recording and sometimes copying states of these files before changes are
made. System Restore automatically creates restore points; no user
intervention is required. In addition, you can create restore points manually,
if desired.
Restore points are created to allow you to choose previous system states.
Each restore point gathers the necessary information needed to restore to a
precisely chosen system state. There are three types of restore points:
•System (automatically created) checkpoints (scheduled by your
computer)
•Installation (event-triggered) checkpoints (when a program is
installed)
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•Manual checkpoints (created by you as needed)
Scheduled Automatic Restore Points
By default, System Restore creates a restore point every day that the
computer is running. If your computer is off for more than a day, a new
restore point is created the next time you turn the computer on.
Event-triggered restore points
Event-triggered restore points are created before key changes are made to
the system. System Restore automatically creates a restore point before the
following events:
•Application installations — A restore point is created before installing
an application program designed for Windows XP. You may wish to
create a manual restore point before attempting to install an older
program.
•AutoUpdate installation — When you choose to install the update, the
System Restore feature creates a restore point before the actual
installation of the update begins.
•Restore operation — The restore operation itself also creates a restore
point for undo purposes.
•Microsoft Backup Utility recovery — Before Microsoft Backup Utility
(only available in Windows XP Professional) performs a backup
recovery, System Restore creates a restore point.
•Unsigned driver installation — The INF installer of Windows detects
unsigned device-driver installations. Drivers that are signed
(electronically certified by the device manufacturer) do not generate a
restore point.
Manual Restore Points
If you are logged on to the computer as computer administrator or a user
with administrator rights, you may create and name an on-demand restore
point. (For information on types of user accounts, see “How to Add Users.”)
This is useful to create a checkpoint to return to before making a
particularly risky change, before leaving a shared system to other users, or at
a particular state you believe is optimal.
To create a restore point, perform the following steps:
Advanced Features 225
1Click Start, point to All Programs—> Accessories—> System Tools,
and then click System Restore.
2Select Create a restore point and click Next>.
3Type a description of the restore point and click Create.
The date and time are automatically added to the description of the
new restore point.
Restore Process
As the computer is used over time, restore points are collected in the archive
without any management or intervention. If you encounter operating
system problems, you can use the System Restore feature to select any of
the restore points presented through the System Restore Wizard.
If problems occur after installing a device driver, you should first attempt to
use Driver Rollback. If that is unsuccessful, then use System Restore.
To return your computer to a previous, stable condition, perform the
following steps:
1Click Start, point to All Programs—> Accessories—> System Tools,
and then click System Restore.
2Select Restore my computer to an earlier time and click Next>.
The Select a Restore Point screen appears. The calendar on the left
indicates in bold the dates on which restore points were created.
3Click a date, click a restore point for that date, and click Next>.
4Click Next> to confirm the restore point selection and complete the
restore process.
After System Restore finishes collecting data, the computer
automatically restarts and the Restoration Complete screen appears.
5Click OK.
If you are not satisfied with the results of the restoration, you can
repeat the preceding steps, using a different restore point, or you can
undo the restoration.
To undo a restoration, perform the following steps:
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1Click Start, point to All Programs—> Accessories—> System Tools,
and then click System Restore.
2Select Undo my last restoration and click Next>.
3Click Next> to confirm the restoration undo.
After System Restore finishes collecting data, the computer
automatically restarts and the Undo Complete screen appears.
4Click OK.
Driver Rollback
Windows XP device Driver Rollback can replace a device driver with the
previously installed version. When you install a new device driver that
causes system instability, use Driver Rollback to reinstall the previous
drivers. In the event that Driver Rollback cannot reinstall your previous
driver, you can use System Restore to return your operating system to its
state before the new device driver installation.
To use Driver Rollback, perform the following steps:
1Click Start, and then right-click My Computer.
2Click Properties.
3Click the Hardware tab, and then click Device Manager.
4In the Device Manager window, right-click the device for which the
new driver was installed, and then click Properties.
5Click the Drivers tab, and then click Roll Back Driver.
Advanced Features 227
User Accounts and Fast User Switching
NOTE: Fast User Switching is the default user screen for both Home and
Professional editions, but is disabled in Windows XP Professional when the
computer is a member of a computer domain.
Microsoft Windows XP includes a new feature that provides multiuser
access to a single computer. Fast User Switching, which is available in both
the Home and Professional editions, allows users to access the computer
with their specific settings, including the desktop and various applications,
without requiring the previous user to log off. New users log on and switch
from the original user’s session to their own. New users can run their
desktop and applications without interfering with the original user. When
the original user returns, that user can switch back to the desktop and
applications with the original settings. All of this is accomplished without
the delay of each individual user logging off the computer.
During setup, the computer administrator creates all the accounts that will
be used on the computer. (For information on types of accounts and adding
new accounts, see “How to Add Users.”) When the computer starts, the
main user Welcome screen appears with all of the user names. From this
screen you select an account and log in to that session.
How to Use Fast User Switching
To access Fast User Switching, perform the following steps:
1Click the Start button and click Log Off.
2When the Log Off Windows screen appears, click either Switch User
or Log Off.
When you select Switch User, the main user Welcome screen appears. You
can then select your account name and log in. Your personal desktop
appears.
What Happens When a Fast User Switch Occurs?
When a fast user switch occurs, the original user is not logged off the
computer as previously happened on other Microsoft operating systems. On
Windows XP, the user's logon remains active, but is replaced by the new
user. Users can switch between login IDs as often as they want.
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However, user applications active during a user switch remain active and
running in the background while the new user is working; this can result in a
slower computer until the process finishes. For example, if one user is
downloading a large file from the Internet and another user logs on to the
computer, the file download continues in the background until it is
complete.
While most applications continue to run in the background during a Fast
User Switch, one exception to this is multimedia applications. Because
multimedia applications utilize resources that cannot easily be shared
between different users on a single computer, those applications terminate
during the user switch, which allows the new user to take full advantage of
the multimedia capabilities.
Special Considerations With Fast User Switching
Considerations when using Fast User Switching include:
•Some older Windows games may not operate with a fast user switch.
•Multimedia games may shut down on a fast user switch.
•DVD software shuts down and requires a restart when the user comes
back.
•Computers with low memory configurations can experience problems.
The computer uses memory to keep the first user's programs running
in the background while the second user is logged on. On computers
with limited memory, this can cause the entire computer to run slowly.
Fast User Switching is off by default on computers with less than
128 megabytes (MB) of random access memory (RAM).
Fast User Switching is unavailable if the computer has Windows XP
Professional installed and is a member of a computer domain.
How to Turn Off Fast User Switching
You must have a computer administrator account on the computer to turn
off Fast User Switching. (For information on types of accounts, see “How to
Add Users.”)
To disable Fast User Switching, perform the following steps:
1Click the Start button, and click Control Panel.
Advanced Features 229
2In the Control Panel window, click User Accounts.
3Under Pick a task, click Change the way users log on or off and do one
of the following:
• Select the Use Fast User Switching to log off check box to enable
Fast User Switching.
• Deselect the Use Fast User Switching to log off check box to
disable Fast User Switching.
4Click Apply Options.
How to Add Users
Only a computer administrator or a user with administrator rights can
create multiple user accounts. The individual who performs the initial
operating system setup creates a computer administrator account and can
add any number of users during the initial setup. All user accounts created
during setup have administrator rights.
After initial operating system setup, the computer administrator or a user
with administrator rights can create additional user accounts.
To add users, perform the following steps:
1Click the Start button, and click Control Panel.
2In the Control Panel window, click User Accounts.
3In the User Accounts window under Pick a Task, click Create a new
account.
4In the box under Name the new account, type the name of the new
user. Click Next>.
5Under Pick an account type, click the bullet next to the type of
account you are going to create — Computer administrator, Standard,
or Limited.
• A computer administrator can change all computer settings.
• A standard account user (Windows XP Professional only) can
install some programs and hardware.
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• A limited account user can change only a few settings such as their
own password.
6Click Create Account.
After the accounts are created, each shows up on the Fast User Switching
Welcome screen.
Advanced Features 231
Home and Small Office Networking
The Network Setup Wizard includes a checklist and steps to guide you
through the process of sharing resources, such as files, printers, or an
Internet connection, between computers in a home or small office. In
Windows XP, Microsoft has improved the online documentation and
usability of operating-system tools for setting up a home or small office
network. New features in the operating system include support for the
Point-to-Point Protocol over Ethernet (PPPoE) and a built-in firewall.
Network Setup Wizard
The Home Network Wizard first appeared in Windows Me. To make setting
up a home or small office network easier, Microsoft developed an enhanced
Network Setup Wizard for Windows XP. This version provides more
complete online documentation and support for setting up a home or small
office network. The new wizard automatically enables the personal firewall
discussed later in this section (see “Internet Connection Firewall”).
To use the wizard, perform the following steps:
1Click Start, point to All Programs—> Accessories—>
Communications, and click Network Setup Wizard.
2When the welcome screen appears, click Next>.
3Click checklist for creating a network.
The checklist leads you through the steps necessary to set up a home
or small office network and provides extensive references for each step.
When you have completed the necessary connections and
preparations, return to the Network Setup Wizard.
4Select the Internet connection method and click Next>.
5Select the Internet connection and click Next>.
6Type a description of the computer and a computer name, and then
click Next>.
7Review the network settings and click Next> to finish the setup.
8When the setup process is complete, click Finish to close the wizard.
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Advanced Features 233
Internet Connection Firewall
Today's always-on cable modem and DSL Internet access connections offer
unprecedented bandwidth to the home, but also leave the connected
computer or home network vulnerable to hacker attacks. The nature of
these attacks varies, but the goal is to gain access to individual computers
attached to the Internet. With this access, a hacker can browse the hard
drive and add or delete files, discover passwords and credit card numbers,
and set the system up to launch attacks on other systems or websites. As a
result, firewall protection from these attacks is increasingly required on
computers. Recognizing this need, Microsoft provides an integrated firewall
in Windows XP to provide immediate protection from outside access
attempts. When enabled, the Internet Connection Firewall provides basic
protection suitable for most home and small office users.
NOTE: Enabling the Internet Connection Firewall does not reduce the need
for virus-checking software.
The firewall is automatically enabled when you run the Network Setup
Wizard. When the firewall is enabled for a network connection, its icon
appears with a red background in the Network Connections portion of the
Control Panel. The Internet Connection Firewall can be applied to each
Internet connection on the computer. The firewall also provides basic
logging capabilities. Not all events that appear in the log are hacker attacks.
Many different types of harmless events can appear in the log, such as
routine checks by an Internet Service Provider to verify the presence of your
computer (pings).
The firewall is configured using the Properties dialog box associated with
each Internet connection in the Control Panel. The firewall can be enabled
or disabled. Additional configuration options are available for more
advanced users. These advanced options include the ability to open or close
specific Transmission Control Protocol (TCP) or User Datagram Protocol
(UDP) ports or to enable port redirection. Port redirection allows access
requests to a specific port on the firewall (such as port 80, the Web server
port) to be automatically redirected to another computer on the local
network. This capability allows a Web server on a home network to be
protected by an edge firewall.
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236 Getting Help
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Help Overview
This section describes the tools Dell provides to help you when you have a
problem with your computer. It also tells you when and how to contact Dell
for technical or customer assistance.
Technical Assistance
If you need assistance with a technical problem, perform the following
steps:
1Complete the procedures in “Solving Problems.”
2Run the Dell Diagnostics.
3Make a copy of the Diagnostics Checklist, and fill it out.
4Use Dell’s extensive suite of online services available at Dell’s website
(http://support.dell.com) for help with installation and
troubleshooting procedures.
For more information, see “World Wide Web.”
5If the preceding steps have not resolved the problem, call Dell for
technical assistance.
When prompted by Dell’s automated telephone system, enter your
Express Service Code to route the call directly to the proper support
personnel. If you do not have an Express Service Code, open the Dell
Accessories folder, double-click the Express Service Code icon, and
follow the directions.
NOTE: Dell’s Express Service Code system may not be available in all
countries.
For instructions on using the technical support service, see “Technical
Support Service” and “Before You Call.”
Help Tools
Dell provides a number of tools to assist you. These tools are described in
the following sections.
NOTE: Some of the following tools are not always available in all locations
outside the continental U.S. Please call your local Dell representative for
information on availability.
Getting Help 237
World Wide Web
The Internet is your most powerful tool for obtaining information about
your computer and other Dell products. Through the Internet, you can
access most of the services described in this section, including AutoTech,
TechFax, order status, technical support, and product information.
You can access Dell’s support website at http://support.dell.com. To select
your country, click the map that appears. The Welcome to support.dell.com
page opens. Enter your system information to access help tools and
information.
Dell can be accessed electronically using the following addresses:
•World Wide Web
http://www.dell.com/
http://www.dell.com/ap/ (for Asian/Pacific countries only)
http://www.euro.dell.com (for Europe only)
http://www.dell.com/la (for Latin American countries)
•Anonymous file transfer protocol (FTP)
ftp.dell.com/
Log in as user:anonymous, and use your e-mail address as your
password.
•Electronic Support Service
support@us.dell.com
apsupport@dell.com (for Asian/Pacific countries only)
support.euro.dell.com (for Europe only)
•Electronic Quote Service
sales@dell.com
apmarketing@dell.com (for Asian/Pacific countries only)
•Electronic Information Service
info@dell.com
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AutoTech Service
Dell's automated technical support service—AutoTech—provides recorded
answers to the questions most frequently asked by Dell customers about
their portable and desktop computer systems.
When you call AutoTech, you use your touch-tone telephone to select the
subjects that correspond to your questions.
The AutoTech service is available 24 hours a day, seven days a week. You can
also access this service through the technical support service. For the
telephone number to call, see “Dell Contact Numbers.”
TechFax Service
Dell takes full advantage of fax technology to serve you better. Twenty-four
hours a day, seven days a week, you can call the Dell TechFax line toll-free
for all kinds of technical information.
Using a touch-tone phone, you can select from a full directory of topics. The
technical information you request is sent within minutes to the fax number
you designate. For the TechFax telephone number to call, see “Dell Contact
Numbers.”
Automated Order-Status System
You can call this automated service to check on the status of any Dell
products that you have ordered. A recording prompts you for the
information needed to locate and report on your order. For the telephone
number to call, see “Dell Contact Numbers.”
Technical Support Service
Dell’s industry-leading hardware technical-support service is available 24
hours a day, seven days a week, to answer your questions about Dell
hardware. Our technical support staff use computer-based diagnostics to
provide fast, accurate answers to questions.
To contact Dell’s technical support service, see “Before You Call” and then
call the number for your country as listed in “Dell Contact Numbers.”
Getting Help 239
Problems With Your Order
If you have a problem with your order, such as missing parts, wrong parts, or
incorrect billing, contact Dell for customer assistance. Have your invoice or
packing slip handy when you call. For the telephone number to call, see
“Dell Contact Numbers.”
Product Information
If you need information about additional products available from Dell, or if
you would like to place an order, visit Dell’s website at http://www.dell.com/.
For the telephone number to call to speak to a sales specialist, see “Dell
Contact Numbers.”
Returning Items for Warranty Repair or Credit
Prepare all items being returned, whether for repair or credit, as follows:
1Call Dell to obtain an authorization number, and write it clearly and
prominently on the outside of the box.
For the telephone number to call, see “Dell Contact Numbers.”
2Include a copy of the invoice and a letter describing the reason for the
return.
3Include a copy of the Diagnostics Checklist indicating the tests you
have run and any error messages reported by the Dell Diagnostics.
4Include any accessories that belong with the item(s) being returned
(such as power cables, software diskettes, and guides) if the return is
for credit.
5Pack the equipment to be returned in the original (or equivalent)
packing materials.
You are responsible for paying shipping expenses. You are also
responsible for insuring any product returned, and you assume the risk
of loss during shipment to Dell. Collect-on-delivery (C.O.D.) packages
are not accepted.
Returns that are missing any of the preceding requirements will be refused
at our receiving dock and returned to you.
240 Getting Help
www.dell.com | support.dell.com
Before You Call
NOTE: Have your Express Service Code ready when you call. The code helps
Dell’s automated-support telephone system direct your call more efficiently.
Remember to fill out the Diagnostics Checklist. If possible, turn on your
system before you call Dell for technical assistance and call from a
telephone at or near the computer. You may be asked to type some
commands at the keyboard, relay detailed information during operations, or
try other troubleshooting steps possible only at the computer system itself.
Make sure that the system documentation is available.
CAUTION: Before servicing any components inside your computer,
see “Safety First—For You and Your Computer.”
Getting Help 241
Name: ____________________________________________________ Date: ______________________________
Address: __________________________________________________ Phone number: _____________________
Service tag (bar code on the back of the computer): __________________________________________________
Express Service Code: ___________________________________________________________________________
Return Material Authorization Number (if provided by Dell support technician): ___________________________
Operating system and version: ____________________________________________________________________
Peripherals: _____________________________________________________________________________________
________________________________________________________________________________________________
________________________________________________________________________________________________
________________________________________________________________________________________________
Expansion cards: ________________________________________________________________________________
________________________________________________________________________________________________
________________________________________________________________________________________________
________________________________________________________________________________________________
Are you connected to a network? yes no
Network, version, and network card: _______________________________________________________________
Programs and versions: ___________________________________________________________________________
________________________________________________________________________________________________
________________________________________________________________________________________________
________________________________________________________________________________________________
See your operating system documentation to determine the contents of the system’s startup files.
Print each file if possible. Otherwise, record the contents of each file before calling Dell.
Error message, beep code, or diagnostic code: ______________________________________________________
Description of problem and troubleshooting procedures you performed: ________________________________
________________________________________________________________________________________________
________________________________________________________________________________________________
________________________________________________________________________________________________
________________________________________________________________________________________________
Diagnostics Checklist
242 Getting Help
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Dell Contact Numbers
The following table provides country-specific access codes and telephone
numbers, websites, and email addresses that you can use to contact Dell.
The codes required depend on where you are calling from as well as the
destination of your call; in addition, each country has a different dialing
protocol. If you need assistance in determining which codes to use, contact
a local or an international operator.
NOTE: Toll-free numbers are for use only within the country for which they
are listed. Area codes are most often used to call long distance within your own
country (not internationally)—in other words, when your call originates in the
same country you are calling.
Country (City)
International Access Code
Country Code
City Code
Department Name or Service Area,
Website and E-mail Address Area Codes,
Local Numbers, and
Toll Free Numbers
Antigua and Barbuda General Support 1-800-805-5924
Australia (Sydney)
International Access Code: 0011
Country Code: 61
City Code: 2
Home and Small Business 1-300-65-55-33
Government and Business toll free: 1-800-633-559
Preferred Accounts Division (PAD) toll free: 1-800-060-889
Customer Care toll free: 1-800-819-339
Corporate Sales toll free: 1-800-808-385
Transaction Sales toll free: 1-800-808-312
Fax toll free: 1-800-818-341
Austria (Vienna)
International Access Code: 900
Country Code: 43
City Code: 1
Home/Small Business Sales 01 795 67602
Home/Small Business Fax 01 795 67605
Home/Small Business Customer Care 01 795 67603
Preferred Accounts/Corporate Customer Care 0660 8056
Home/Small Business Technical Support 01 795 67604
Preferred Accounts/Corporate Technical Support 0660 8779
Switchboard 01 491 04 0
Website: http://support.euro.dell.com
E-mail: tech_support_central_europe@dell.com
Getting Help 243
Barbados General Support 1-800-534-3066
Belgium (Brussels)
International Access Code: 00
Country Code: 32
City Code: 2
Technical Support 02 481 92 88
Customer Care 02 481 91 19
Home/Small Business Sales toll free: 0800 16884
Corporate Sales 02 481 91 00
Fax 02 481 92 99
Switchboard 02 481 91 00
Website: http://support.euro.dell.com
E-mail: tech_be@dell.com
E-mail for French Speaking Customers:
http://support.euro.dell.com/be/fr/emaildell/
Bermuda General Support 1-800-342-0671
Brazil
International Access Code: 0021
Country Code: 55
City Code: 51
Customer Support, Technical Support 0800 90 3355
Tech Support Fax 55 51 481 5470
Sales 0800 90 3366
Website: http://www.dell.com/br
Brunei
Country Code: 673
Customer Technical Support (Penang, Malaysia) 604 633 4966
Customer Service (Penang, Malaysia) 604 633 4949
Transaction Sales (Penang, Malaysia) 604 633 4955
Canada (North York, Ontario)
International Access Code: 011
Automated Order-Status System toll free: 1-800-433-9014
AutoTech (Automated technical support) toll free: 1-800-247-9362
Customer Care (From outside Toronto) toll free: 1-800-387-5759
Customer Care (From within Toronto) 416 758-2400
Customer Technical Support toll free: 1-800-847-4096
Sales (Direct Sales—from outside Toronto) toll free: 1-800-387-5752
Sales (Direct Sales—from within Toronto) 416 758-2200
Sales (Federal government, education, and medical) toll free: 1-800-567-7542
Sales (Major Accounts) toll free: 1-800-387-5755
TechFax toll free: 1-800-950-1329
Cayman Islands General Support 1-800-805-7541
Country (City)
International Access Code
Country Code
City Code
Department Name or Service Area,
Website and E-mail Address Area Codes,
Local Numbers, and
Toll Free Numbers
244 Getting Help
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Chile (Santiago)
Country Code: 56
City Code: 2
Sales, Customer Support, and Technical Support toll free: 1230-020-4823
China (Xiamen)
Country Code: 86
City Code: 592
Home and Small Business Technical Support toll free: 800 858 2437
Corporate Accounts Technical Support toll free: 800 858 2333
Customer Experience toll free: 800 858 2060
Home and Small Business toll free: 800 858 2222
Preferred Accounts Division toll free: 800 858 2062
Large Corporate Accounts North toll free: 800 858 2999
Large Corporate Accounts East toll free: 800 858 2020
Large Corporate Accounts South toll free: 800 858 2355
Large Corporate Accounts GCP toll free: 800 858 2055
Large Corporate Accounts HK toll free: 800 964108
Large Corporate Accounts GCP HK toll free: 800 907308
Colombia General Support 980-9-15-3978
Costa Rica General Support 0800-012-0435
Czech Republic (Prague)
International Access Code: 00
Country Code: 420
City Code: 2
Technical Support 02 22 83 27 27
Customer Care 02 22 83 27 11
Fax 02 22 83 27 14
TechFax 02 22 83 27 28
Switchboard 02 22 83 27 11
Website: http://support.euro.dell.com
E-mail: czech_dell@dell.com
Country (City)
International Access Code
Country Code
City Code
Department Name or Service Area,
Website and E-mail Address Area Codes,
Local Numbers, and
Toll Free Numbers
Getting Help 245
Denmark (Horsholm)
International Access Code: 00
Country Code: 45
Technical Support 45170182
Relational Customer Care 45170184
Home/Small Business Customer Care 32875505
Switchboard 45170100
Fax Technical Support (Upplands Vasby, Sweden) 46 0 859005594
Fax Switchboard 45170117
Website: http://support.euro.dell.com
E-mail: den_support@dell.com
E-mail Support for Servers:
Nordic_server_support@dell.com
Dominican Republic General Support 1-800-148-0530
El Salvador General Support 01-899-753-0777
Finland (Helsinki)
International Access Code: 990
Country Code: 358
City Code: 9
Technical Support 09 253 313 60
Technical Support Fax 09 253 313 81
Relational Customer Care 09 253 313 38
Home/Small Business Customer Care 09 693 791 94
Fax 09 253 313 99
Switchboard 09 253 313 00
Website: http://support.euro.dell.com
E-mail: fin_support@dell.com
Country (City)
International Access Code
Country Code
City Code
Department Name or Service Area,
Website and E-mail Address Area Codes,
Local Numbers, and
Toll Free Numbers
246 Getting Help
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France (Paris/Montpellier)
International Access Code: 00
Country Code: 33
City Code: (1) (4)
Home and Small Business
Technical Support 0825 387 270
Customer Care 0825 823 833
Switchboard 0825 004 700
Switchboard (Alternative) 0499754000
Sales 0825 004 700
Fax 0825 004 701
Fax (Alternative) 04 99 75 40 01
Website: http://support.euro.dell.com
E-mail: http://support.euro.dell.com/fr/fr/emaildell/
Corporate
Technical Support 0825 004 719
Customer Care 0825 338 339
Switchboard 0155947100
Sales 0155947100
Fax 0155947101
Website: http://support.euro.dell.com
E-mail: http://support.euro.dell.com/fr/fr/emaildell/
Germany (Langen)
International Access Code: 00
Country Code: 49
City Code: 6103
Technical Support 06103 766-7200
Home/Small Business Customer Care 0180-5-224400
Global Segment Customer Care 06103 766-9570
Preferred Accounts Customer Care 06103 766-9420
Large Accounts Customer Care 06103 766-9560
Public Accounts Customer Care 06103 766-9555
Switchboard 06103 766-7000
Website: http://support.euro.dell.com
E-mail: tech_support_central_europe@dell.com
Guatemala General Support 1-800-999-0136
Country (City)
International Access Code
Country Code
City Code
Department Name or Service Area,
Website and E-mail Address Area Codes,
Local Numbers, and
Toll Free Numbers
Getting Help 247
Hong Kong
International Access Code: 001
Country Code: 852
Technical Support toll free: 800 96 4107
Customer Service (Penang, Malaysia) 604 633 4949
Transaction Sales tollfree:800964109
Corporate Sales toll free: 800 96 4108
Ireland (Cherrywood)
International Access Code: 16
Country Code: 353
City Code: 1
Technical Support 1850 543 543
Home User Customer Care 01 204 4095
Small Business Customer Care 01 204 4026
Corporate Customer Care 01 279 5011
Sales 01 204 4444
SalesFax 01 204 0144
Fax 204 5960
Switchboard 01 204 4444
Website: http://support.euro.dell.com
E-mail: dell_direct_support@dell.com
Italy (Milan)
International Access Code: 00
Country Code: 39
City Code: 02
Home and Small Business
Technical Support 02 577 826 90
Customer Care 02 696 821 14
Fax 02 696 821 13
Switchboard 02 696 821 12
Website: http://support.euro.dell.com
E-mail: http://support.euro.dell.com/it/it/emaildell/
Corporate
Technical Support 02 577 826 90
Customer Care 02 577 825 55
Fax 02 575 035 30
Switchboard 02 577 821
Website: http://support.euro.dell.com
E-mail: http://support.euro.dell.com/it/it/emaildell/
Jamaica General Support 1-800-682-3639
Country (City)
International Access Code
Country Code
City Code
Department Name or Service Area,
Website and E-mail Address Area Codes,
Local Numbers, and
Toll Free Numbers
248 Getting Help
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Japan (Kawasaki)
International Access Code: 001
Country Code: 81
City Code: 44
Technical Support (Server)
Technical Support Outside of Japan (Server) toll free: 0120-1984-35
81-44-556-4152
Technical Support (Dimension™ and Inspiron™)
Technical Support Outside of Japan (Dimension
and Inspiron)
toll free: 0120-1982-26
81-44-520-1435
Technical Support (Dell Precision™, OptiPlex™ and
Latitude™)
Technical Support Outside of Japan (Dell Precision,
OptiPlex, and Latitude)
toll free: 0120-1984-33
81-44-556-3894
24-Hour Automated Order Service 044 556-3801
Customer Care 044 556-4240
Business Sales Division (up to 400 employees) 044 556 3494
Preferred Accounts Division Sales (over 400
employees) 044 556-3433
Large Corporate Accounts Sales (over 3500
employees) 044 556-3440
Public Sales (Government Agencies, Educational
Institutions, and Medical Institutions) 044 556 3440
Global Segment Japan 044 556 3469
Individual User 044 556 1657
Faxbox Service 044 556-3490
Switchboard 044 556-4300
Website: http://support.jp.dell.com
Korea (Seoul)
International Access Code: 001
Country Code: 82
City Code: 2
Technical Support toll free: 080-200-3800
Sales toll free: 080-200-3600
Customer Service (Seoul, Korea) toll free: 080-200-3800
Customer Service (Penang, Malaysia) 604 633 4949
Fax 2194-6202
Switchboard 2194-6000
Country (City)
International Access Code
Country Code
City Code
Department Name or Service Area,
Website and E-mail Address Area Codes,
Local Numbers, and
Toll Free Numbers
Getting Help 249
Latin America Customer Technical Support (Austin, Texas,
U.S.A.) 512 728-4093
Customer Service (Austin, Texas, U.S.A.) 512 728-3619
Fax (Technical Support and Customer
Service)(Austin, Texas, U.S.A.) 512 728-3883
Sales (Austin, Texas, U.S.A.) 512 728-4397
SalesFax (Austin, Texas, U.S.A.) 512 728-4600
or 512 728-3772
Luxembourg
International Access Code: 00
Country Code: 352
Technical Support (Brussels, Belgium) 02 481 92 88
Home/Small Business Sales (Brussels, Belgium) toll free: 080016884
Corporate Sales (Brussels, Belgium) 02 481 91 00
Customer Care (Brussels, Belgium) 02 481 91 19
Fax (Brussels, Belgium) 02 481 92 99
Switchboard (Brussels, Belgium) 02 481 91 00
Website: http://support.euro.dell.com
E-mail: tech_be@dell.com
Macau
Country Code: 853
Technical Support toll free: 0800 582
Customer Service (Penang, Malaysia) 604 633 4949
Transaction Sales toll free: 0800 581
Malaysia (Penang)
International Access Code: 00
Country Code: 60
City Code: 4
Technical Support toll free: 1 800 888 298
Customer Service 04 633 4949
Transaction Sales tollfree:1800888202
Corporate Sales toll free: 1 800 888 213
Country (City)
International Access Code
Country Code
City Code
Department Name or Service Area,
Website and E-mail Address Area Codes,
Local Numbers, and
Toll Free Numbers
250 Getting Help
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Mexico
International Access Code: 00
Country Code: 52
Customer Technical Support 001-877-384-8979
or 001-877-269-3383
Sales 50-81-8800
or 01-800-888-3355
Customer Service 001-877-384-8979
or 001-877-269-3383
Main 50-81-8800
or 01-800-888-3355
Netherlands Antilles General Support 001-800-882-1519
Netherlands (Amsterdam)
International Access Code: 00
Country Code: 31
City Code: 20
Technical Support 020 581 8838
Customer Care 020 581 8740
Home/Small Business Sales toll free: 0800-0663
Home/Small Business Sales Fax 020 682 7171
Corporate Sales 020 581 8818
Corporate Sales Fax 020 686 8003
Fax 020 686 8003
Switchboard 020 581 8818
Website: http://support.euro.dell.com
E-mail: tech_nl@dell.com
New Zealand
International Access Code: 00
Country Code: 64
Home and Small Business 0800 446 255
Government and Business 0800 444 617
Sales 0800 441 567
Fax 0800 441 566
Nicaragua General Support 001-800-220-1006
Country (City)
International Access Code
Country Code
City Code
Department Name or Service Area,
Website and E-mail Address Area Codes,
Local Numbers, and
Toll Free Numbers
Getting Help 251
Norway (Lysaker)
International Access Code: 00
Country Code: 47
Technical Support 671 16882
Relational Customer Care 671 17514
Home/Small Business Customer Care 23162298
Switchboard 671 16800
Fax Technical Support (Upplands Vasby, Sweden) 46 0 85 590 05 594
Fax Switchboard 671 16865
Website: http://support.euro.dell.com
E-mail: nor_support@dell.com
E-mail Support for Servers:
Nordic_server_support@dell.com
Panama General Support 001-800-507-0962
Peru General Support 0800-50-669
Poland (Warsaw)
International Access Code: 011
Country Code: 48
City Code: 22
Customer Service Phone 57 95 700
Customer Care 57 95 999
Sales 57 95 999
Customer Service Fax 57 95 806
Reception Desk Fax 57 95 998
Switchboard 57 95 999
Website: http://support.euro.dell.com
E-mail: pl_support@dell.com
Portugal
International Access Code: 00
Country Code: 35
Technical Support 35 800 834 077
Customer Care 800 300 415 or
35 800 834 075
Sales 800 300 410 or 800 300 411
or 800 300 412 or
351 214 220 710
Fax 351214240112
E-mail: http://support.euro.dell.com/es/es/emaildell/
Puerto Rico General Support 1-800-805-7545
St. Lucia General Support 1-800-882-1521
Country (City)
International Access Code
Country Code
City Code
Department Name or Service Area,
Website and E-mail Address Area Codes,
Local Numbers, and
Toll Free Numbers
252 Getting Help
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Singapore (Singapore)
International Access Code: 005
Country Code: 65
Technical Support toll free: 800 6011 051
Customer Service (Penang, Malaysia) 604 633 4949
Transaction Sales tollfree:8006011054
Corporate Sales toll free: 800 6011 053
South Africa (Johannesburg)
International Access Code: 09/091
Country Code: 27
City Code: 11
Technical Support 011 709 7710
Customer Care 011 709 7707
Sales 011 709 7700
Fax 011 706 0495
Switchboard 011 709 7700
Website: http://support.euro.dell.com
E-mail: dell_za_support@dell.com
Southeast Asian and Pacific
Countries Customer Technical Support, Customer Service,
and Sales (Penang, Malaysia) 604 633 4810
Spain (Madrid)
International Access Code: 00
Country Code: 34
City Code: 91
Home and Small Business
Technical Support 902 100 130
Customer Care 902 118 540
Sales 902 118 541
Switchboard 902 118 541
Fax 902 118 539
Website: http://support.euro.dell.com
E-mail: http://support.euro.dell.com/es/es/emaildell/
Corporate
Technical Support 902 100 130
Customer Care 902 118 546
Switchboard 91 722 92 00
Fax 91 722 95 83
Website: http://support.euro.dell.com
E-mail: http://support.euro.dell.com/es/es/emaildell/
Country (City)
International Access Code
Country Code
City Code
Department Name or Service Area,
Website and E-mail Address Area Codes,
Local Numbers, and
Toll Free Numbers
Getting Help 253
Sweden (Upplands Vasby)
International Access Code: 00
Country Code: 46
City Code: 8
Technical Support 08 590 05 199
Relational Customer Care 08 590 05 642
Home/Small Business Customer Care 08 587 70 527
Fax Technical Support 08 590 05 594
Sales 08 590 05 185
Website: http://support.euro.dell.com
E-mail: swe_support@dell.com
E-mail Support for Latitude and Inspiron:
Swe-nbk_kats@dell.com
E-mail Support for OptiPlex: Swe_kats@dell.com
E-mail Support for Servers:
Nordic_server_support@dell.com
Switzerland (Geneva)
International Access Code: 00
Country Code: 41
City Code: 22
Technical Support (Home and Small Business) 0844 811 411
Technical Support (Corporate) 0844 822 844
Customer Care (Home and Small Business) 0848 802 202
Customer Care (Corporate) 0848 821 721
Fax 0227990190
Switchboard 0227990101
Website: http://support.euro.dell.com
E-mail: swisstech@dell.com
E-mail for French Speaking HSB and Corporate
Customers:
http://support.euro.dell.com/ch/fr/emaildell/
Taiwan
International Access Code: 002
Country Code: 886
Technical Support toll free: 0080 60 1255
Technical Support (Servers) toll free: 0080 60 1256
Transaction Sales toll free: 0080 651 228
or 0800 33 556
Corporate Sales toll free: 0080 651 227
or 0800 33 555
Country (City)
International Access Code
Country Code
City Code
Department Name or Service Area,
Website and E-mail Address Area Codes,
Local Numbers, and
Toll Free Numbers
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Thailand
International Access Code: 001
Country Code: 66
Technical Support toll free: 0880 060 07
Customer Service (Penang, Malaysia) 604 633 4949
Sales toll free: 0880 060 09
Trinidad/Tobago General Support 1-800-805-8035
U.K. (Bracknell)
International Access Code: 010
Country Code: 44
City Code: 1344
Technical Support (Corporate/Preferred
Accounts/PAD [1000+ employees]) 0870 908 0500
Technical Support (Direct/PAD and General) 0870 908 0800
Global Accounts Customer Care 01344 723186
Home and Small Business Customer Care 0870 906 0010
Corporate Customer Care 01344 72 3185
Preferred Accounts (500-5000 employees)
Customer Care 01344 723196
Central Government Customer Care 01344 723193
Local Government Customer Care 01344 723194
Home/Small Business Sales 0870 907 4000
Corporate/Public Sector Sales 01344 860456
Website: http://support.euro.dell.com
E-mail: dell_direct_support@dell.com
Country (City)
International Access Code
Country Code
City Code
Department Name or Service Area,
Website and E-mail Address Area Codes,
Local Numbers, and
Toll Free Numbers
Getting Help 255
U.S.A. (Austin, Texas)
International Access Code: 011
Country Code: 1
Automated Order-Status System toll free: 1-800-433-9014
AutoTech (for portable and desktop computers) toll free: 1-800-247-9362
Dell Home and Small Business Group (for portable and desktop computers):
Customer Technical Support (Return Material
Authorization Numbers) toll free: 1-800-624-9896
Customer Technical Support (Home sales
purchased via http://www.dell.com)toll free: 1-877-576-3355
Customer Service (Credit Return Authorization
Numbers) toll free: 1-800-624-9897
National Accounts (systems purchased by established Dell national accounts [have
your account number handy], medical institutions, or value-added resellers
[VARs]):
Customer Service and Technical Support (Return
Material Authorization Numbers) toll free: 1-800-822-8965
Public Americas International (systems purchased by governmental agencies [local,
state, or federal] or educational institutions):
Customer Service and Technical Support (Return
Material Authorization Numbers) toll free: 1-800-234-1490
Dell Sales toll free: 1-800-289-3355
or toll free: 1-800-879-3355
Spare Parts Sales toll free: 1-800-357-3355
DellWare™ toll free: 1-800-753-7201
Desktop and Portable Fee-Based Technical Support toll free: 1-800-433-9005
Sales (Catalogs) toll free: 1-800-426-5150
Fax toll free: 1-800-727-8320
TechFax toll free: 1-800-950-1329
Dell Services for the Deaf, Hard-of-Hearing, or
Speech-Impaired toll free: 1-877-DELLTTY
(1-877-335-5889)
Switchboard 512 338-4400
DellNet™ Technical Support toll free: 1-877-Dellnet
(1-877-335-5638)
Country (City)
International Access Code
Country Code
City Code
Department Name or Service Area,
Website and E-mail Address Area Codes,
Local Numbers, and
Toll Free Numbers
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US Virgin Islands General Support 1-877-673-3355
Venezuela General Support 8001-3605
Country (City)
International Access Code
Country Code
City Code
Department Name or Service Area,
Website and E-mail Address Area Codes,
Local Numbers, and
Toll Free Numbers
258 Solving Problems
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Regulatory Notices
Electromagnetic Interference (EMI) is any signal or emission, radiated in
free space or conducted along power or signal leads, that endangers the
functioning of a radio navigation or other safety service or seriously
degrades, obstructs, or repeatedly interrupts a licensed radio
communications service. Radio communications services include but are
not limited to AM/FM commercial broadcast, television, cellular services,
radar, air-traffic control, pager, and Personal Communication Services
(PCS). These licensed services, along with unintentional radiators such as
digital devices, including computer systems, contribute to the
electromagnetic environment.
Electromagnetic Compatibility (EMC) is the ability of items of electronic
equipment to function properly together in the electronic environment.
While this computer system has been designed and determined to be
compliant with regulatory agency limits for EMI, there is no guarantee that
interference will not occur in a particular installation. If this equipment
does cause interference with radio communications services, which can be
determined by turning the equipment off and on, you are encouraged to try
to correct the interference by one or more of the following measures:
•Reorient the receiving antenna.
•Relocate the computer with respect to the receiver.
•Move the computer away from the receiver.
•Plug the computer into a different outlet so that the computer and the
receiver are on different branch circuits.
If necessary, consult a Dell Technical Support representative or an
experienced radio/television technician for additional suggestions.
Dell computer systems are designed, tested, and classified for their
intended electromagnetic environment. These electromagnetic
environment classifications generally refer to the following harmonized
definitions:
•Class A is typically for business or industrial environments.
•Class B is typically for residential environments.
Solving Problems 259
Information Technology Equipment (ITE), including peripherals,
expansion cards, printers, input/output (I/O) devices, monitors, and so on,
that are integrated into or connected to the system should match the
electromagnetic environment classification of the computer system.
A Notice About Shielded Signal Cables: Use only shielded cables for
connecting peripherals to any Dell device to reduce the possibility of
interference with radio communications services. Using shielded cables
ensures that you maintain the appropriate EMC classification for the
intended environment. For parallel printers, a cable is available from Dell.
If you prefer, you can order a cable from Dell on the World Wide Web at
http://accessories.us.dell.com/.
Most Dell computer systems are classified for Class B environments.
However, the inclusion of certain options can change the rating of some
configurations to Class A. To determine the electromagnetic classification
for your system or device, refer to the following sections specific for each
regulatory agency. Each section provides country-specific EMC/EMI or
product safety information.
FCC Notices (U.S. Only)
Most Dell computer systems are classified by the Federal Communications
Commission (FCC) as Class B digital devices. To determine which
classification applies to your computer system, examine all FCC
registration labels located on the bottom or back panel of your computer, on
card-mounting brackets, and on the cards themselves. If any one of the
labels carries a Class A rating, your entire system is considered to be a Class
A digital device. If all labels carry an FCC Class B rating as distinguished by
either an FCC ID number or the FCC logo, ( ), your systemis considered
to be a Class B digital device.
Once you have determined your system’s FCC classification, read the
appropriate FCC notice. Note that FCC regulations provide that changes
or modifications not expressly approved by Dell could void your authority to
operate this equipment.
This device complies with Part 15 of the FCC Rules. Operation is subject to
the following two conditions:
•This device may not cause harmful interference.
260 Solving Problems
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•This device must accept any interference received, including
interference that may cause undesired operation.
Class A
This equipment has been tested and found to comply with the limits for a
Class A digital device pursuant to Part 15 of the FCC Rules. These limits
are designed to provide reasonable protection against harmful interference
when the equipment is operated in a commercial environment. This
equipment generates, uses, and can radiate radio frequency energy and, if
not installed and used in accordance with the manufacturer’s instruction
manual, may cause harmful interference with radio communications.
Operation of this equipment in a residential area is likely to cause harmful
interference, in which case you will be required to correct the interference at
your own expense.
Class B
This equipment has been tested and found to comply with the limits for a
Class B digital device pursuant to Part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates, uses, and can radiate
radio frequency energy and, if not installed and used in accordance with the
manufacturer’s instruction manual, may cause interference with radio
communications. However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by
turning the equipment off and on, you are encouraged to try to correct the
interference by one or more of the following measures:
•Reorient or relocate the receiving antenna.
•Increase the separation between the equipment and the receiver.
•Connect the equipment into an outlet on a circuit different from that
to which the receiver is connected.
•Consult the dealer or an experienced radio/television technician for
The following information is provided on the device or devices covered in
this document in compliance with FCC regulations:
•Model number: WCP and WCM
Solving Problems 261
•Company Name: Dell Computer Corporation
One Dell Way
Round Rock, Texas 78682 USA
IC Notice (Canada Only)
Most Dell computer systems (and other Dell digital apparatus) are
classified by the Industry Canada (IC) Interference-Causing Equipment
Standard #3 (ICES-003) as Class B digital devices. To determine which
classification (Class A or B) applies to your computer system (or other Dell
digital apparatus), examine all registration labels located on the bottom or
the back panel of your computer (or other digital apparatus). A statement in
the form of "IC Class A ICES-003" or "IC Class B ICES-003" will be located
on one of these labels. Note that Industry Canada regulations provide that
changes or modifications not expressly approved by Dell could void your
authority to operate this equipment.
CE Notice (European Union)
Marking by the symbol indicates compliance of this Dell computer to
the EMC Directive and the Low Voltage Directive of the European Union.
Such marking is indicative that this Dell system meets the following
technical standards:
•EN 55022 — “Limits and Methods of Measurement of Radio
Interference Characteristics of Information Technology Equipment.”
•EN 55024 — “Information technology equipment - Immunity
characteristics - Limits and methods of measurement.”
This Class B (or Class A, if so indicated on the registration label) digital
apparatus meets the requirements of the Canadian Interference-
Causing Equipment Regulations.
Cet appareil numérique de la Classe B (ou Classe A, si ainsi indiqué sur
l’étiquette d’enregistration) respecte toutes les exigences du Reglement
sur le Materiel Brouilleur du Canada.
262 Solving Problems
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•EN 61000-3-2 — “Electromagnetic compatibility (EMC) - Part 3:
Limits - Section 2: Limits for harmonic current emissions (Equipment
input current up to and including 16 A per phase).”
•EN 61000-3-3 — “Electromagnetic compatibility (EMC) - Part 3:
Limits - Section 3: Limitation of voltage fluctuations and flicker in
low-voltage supply systems for equipment with rated current up to and
including 16 A.”
•EN 60950 — “Safety of Information Technology Equipment.”
NOTE: EN 55022 emissions requirements provide for two classifications:
•Class A is for typical commercial areas.
•Class B is for typical domestic areas.
RF INTERFERENCE WARNING: This is a Class A product. In a
domestic environment this product may cause radio frequency (RF)
interference, in which case the user may be required to take adequate
measures.
This Dell device is classified for use in a typical Class B domestic
environment.
A "Declaration of Conformity" in accordance with the preceding directives
and standards has been made and is on file at Dell Computer Corporation
Products Europe BV, Limerick, Ireland.
Battery Disposal
Your computer system uses a lithium battery. The lithium is a
long-life battery, and it is very possible that you will never need to
replace it. However, should you need to replace it, refer to the
section about replacing the battery in your Dell computer
documentation for instructions. Do not dispose of the battery along with
household waste. Contact your local waste disposal agency for the address of
the nearest battery deposit site.
Solving Problems 263
EN 55022 Compliance (Czech Republic Only)
VCCI Notice (Japan Only)
Most Dell computer systems are classified by the Voluntary Control Council
for Interference (VCCI) as Class B information technology equipment
(ITE). However, the inclusion of certain options can change the rating of
some configurations to Class A. ITE, including peripherals, expansion cards,
printers, input/output (I/O) devices, monitors, and so on, integrated into or
connected to the system should match the electromagnetic environment
classification (Class A or B) of the computer system.
To determine which classification applies to your computer system,
examine the regulatory labels/markings (see "VCCI Class A ITE Regulatory
Mark" and "VCCI Class B ITE Regulatory Mark") located on the bottom or
back panel of your computer. Once you have determined your
system’sVCCI classification, read the appropriate VCCI notice.
This device belongs to Class B devices as described in EN 55022, unless
it is specifically stated that it is a Class A device on the specification
label. The following applies to devices in Class A of EN 55022 (radius of
protection up to 30 meters). The user of the device is obliged to take all
steps necessary to remove sources of interference to telecommunication
or other devices.
Pokud nenÌ na typovÈm ötitku poËÌtaËe uvedeno, ûe spad· do t¯Ìdy A
podle EN 55022, spad· automaticky do t¯Ìdy B podle EN 55022. Pro
za¯ÌzenÌ za¯azen· do t¯Ìdy A (ochrannÈ p·smo 30m) podle EN 55022
platÌ n·sledujÌcÌ. Dojde-li k ruöenÌ telekomunikaËnÌch nebo jinych
za¯ÌzenÌ, je uûivatel povinen provÈst takov· opat¯enÌ, aby ruöenÌ
odstranil.
264 Solving Problems
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Class A ITE
This is a Class A product based on the standard of the Voluntary Control
Council for Interference (VCCI) for information technology equipment. If
this equipment is used in a domestic environment, radio disturbance may
arise. When such trouble occurs, the user may be required to take corrective
actions.
VCCI Class A ITE Regulatory Mark
Class B ITE
This is a Class B product based on the standard of the Voluntary Control
Council for Interference (VCCI) for information technology equipment. If
this equipment is used near a radio or television receiver in a domestic
environment, it may cause radio interference. Install and use the equipment
according to the instruction manual.
VCCI Class B ITE Regulatory Mark
VCCI-A
Solving Problems 265
MIC Notice (Republic of Korea Only)
To determine which classification (Class A or B) applies to your computer
(or other Dell digital device), examine the Republic of Korean Ministry of
Information and Communications (MIC) registration labels located on
your computer (or other Dell digital device). The MIC label may be located
separately from the other regulatory marking applied to your product. Line
three of the label identifies the emissions class for the product—"(A)" for
Class A products or "(B)" for Class B products.
NOTE: MIC emissions requirements provide for two classifications:
•Class A devices are for business purposes.
•Class B devices are for nonbusiness purposes.
Class A Device
Please note that this device has been approved for business purposes with
regard to electromagnetic interference. If you find that this device is not
suitable for your use, you may exchange it for a nonbusiness-purpose device.
266 Solving Problems
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MIC Class A Regulatory Label
Class B Device
Please note that this device has been approved for nonbusiness purposes
and may be used in any environment, including residential areas.
MIC Class B Regulatory Label
Polish Center for Testing and Certification Notice
The equipment should draw power from a socket with an attached
protection circuit (a three-prong socket). All equipment that works together
(computer, monitor, printer, and so on) should have the same power supply
source.
The phasing conductor of the room’s electrical installation should have a
reserve short-circuit protection device in the form of a fuse with a nominal
value no larger than 16 amperes (A).
Solving Problems 267
To completely switch off the equipment, the power supply cable must be
removed from the power supply socket, which should be located near the
equipment and easily accessible.
A protection mark "B" confirms that the equipment is in compliance with
the protection usage requirements of standards PN-93/T-42107 and PN-EN
55022: 1996.
Wymagan
i
a Po
l
s
ki
ego
C
entrum Ba
d
a
Ò
i
C
erty
fik
ac
ji
Urz¼
d
zenie powinno
b
y
Ê
zasi
l
ane z gniaz
d
a z przy
Š
¼czonym o
b
wo
d
em
ochronnym (gniazdo z koŠkiem). WspÛŠpracuj¼ce ze sob¼ urz¼dzenia
(komputer, monitor, drukarka) powinny byÊ zasilane z tego samego ürÛdŠa.
Instalacja elektryczna pomieszczenia powinna zawieraÊ w przewodzie
fazowym rezerwow¼ ochronÍ przed zwarciami, w postaci bezpiecznika o
wartoúci znamionowej nie wiÍkszej niø 16A (amperÛw).
W celu caŠkowitego wyŠ¼czenia urz¼dzenia z sieci zasilania, naleøy
wyj¼Ê wtyczkÍ kabla zasilaj¼cego z gniazdka, ktÛre powinno znajdowaÊ siÍ
w pobliøu urz¼dzenia i byÊ Šatwo dostÍpne.
Znak bezpieczeÒstwa "B" potwierdza zgodnoúÊ urz¼dzenia z
wymaganiami bezpieczeÒstwa uøytkowania zawartymi w PN-93/T-42107 i
PN-EN 55022:1996.
Jeeli na tabliczce znamionowej umieszczono informacjê, e
urz¹dzenie jest klasy A, to oznacza to, e urz¹dzenie w rodowisku
mieszkalnym moe powodowaæ zaklócenia radioelektryczne. W takich
przypadkach mona ¹daæ od jego uytkownika zastosowania
odpowiednich rodków zaradczych.
Pozosta
Š
e
i
nstru
k
c
j
e
b
ezp
i
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Ò
stwa
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•
Ni
e na
l
e
¿
y u
¿
ywa
æ
w
t
ycze
k
a
d
ap
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erowyc
h
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u
b
usuwa
æ
k
o
³k
a
obwodu ochronnego z wtyczki. Je¿eli konieczne jest u¿ycie
przed³u¿acza to nale¿y u¿yæ przed³u¿acza 3-¿y³owego z
prawid³owo po³¹czonym przewodem ochronnym.
•System komputerowy nale¿y zabezpieczyæ przed nag³ymi,
chwilowymi wzrostami lub spadkami napiêcia, u¿ywaj¹c
eliminatora przepiêæ, urz¹dzenia dopasowuj¹cego lub
bezzak³óceniowego ród³a zasilania.
•Nale¿y upewniæ siê, aby nic nie le¿a³o na kablach systemu
komputerowego, oraz aby kable nie by³y umieszczone w miejscu,
gdzie mo¿na by³oby na nie nadeptywaæ lub potykaæ siê o nie.
•Nie nale¿y rozlewaæ napojów ani innych p³ynów na system
komputerowy.
•Nie nale¿y wpychaæ ¿adnych przedmiotów do otworów systemu
komputerowego, gdy¿ mo¿e to spowodowaæ po¿ar lub pora¿enie
pr¹dem, poprzez zwarcie elementów wewnêtrznych.
•System komputerowy powinien znajdowaæ siê z dala od
grzejników i róde³ ciep³a. Ponadto, nie nale¿y blokowaæ otworów
wentylacyjnych. Nale¿y unikaæ k³adzenia lunych papierów pod
komputer oraz umieszczania komputera w ciasnym miejscu bez
mo¿liwoci cyrkulacji powietrza wokó³ niego.
Solving Problems 269
BSMI Notice (Taiwan Only)
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NOM Information (Mexico Only)
The supply voltage, frequency, and current consumption figures may vary
from computer to computer.
The following information is provided on the device(s) described in this
document in compliance with the requirements of the official Mexican
standards (NOM):
Solving Problems 271
Información para NOM (únicamente para México)
La información siguiente se proporciona en el dispositivo o en los
dispositivos descritos en este documento, en cumplimiento con los
requisitos de la Norma Oficial Mexicana (NOM):
Exporter: Dell Computer Corporation
One Dell Way
Round Rock, TX 78682
Importer: Dell Computer de México,
S.A. de C.V.
Paseo de la Reforma 2620 - 11° Piso
Col. Lomas Altas
11950 México, D.F.
Ship to: Dell Computer de México,
S.A. de C.V. al Cuidado de Kuehne & Nagel de
México S. de R.I.
Avenida Soles No. 55
Col. Peñon de los Baños
15520 México, D.F.
Supply voltage: 115/230 VAC
Frequency: 60/50 Hz
Input current rating: WCM, WCP — 6.0/3.0 A
Exportador: Dell Computer Corporation
One Dell Way
Round Rock, TX 78682
Importador: Dell Computer de México,
S.A. de C.V.
Paseo de la Reforma 2620 - 11° Piso
Col. Lomas Altas
11950 México, D.F.
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Embarcar a: Dell Computer de México,
S.A. de C.V. al Cuidado de Kuehne &
Nagel de México S. de R.I.
Avenida Soles No. 55
Col. Peñon de los Baños
15520 México, D.F.
Tensión alimentación: 115/230 VAC
Frecuencia: 60/50 Hz
Consumo de corriente: WCM, WCP — 6.0/3.0 A
Exportador: Dell Computer Corporation
One Dell Way
Round Rock, TX 78682
Additional Information 273
ENERGY STAR® Compliance
Certain configurations of Dell computer systems comply with the
requirements set forth by the Environmental Protection Agency (EPA) for
energy-efficient computers. If the front panel of your computer bears the
ENERGY STAR® Emblem, your original configuration complies with these
requirements and all ENERGY STAR® power management features of the
computer are enabled.
NOTE: As an ENERGY STAR® Partner, Dell Computer Corporation has
determined that this product meets the ENERGY STAR® guidelines for energy
efficiency.
NOTE: Any Dell computer bearing the ENERGY STAR® Emblem is certified
to comply with EPA ENERGY STAR® requirements as configured when
shipped by Dell. Any changes you make to this configuration (such as installing
additional expansion cards or drives) may increase the system's power
consumption beyond the limits set by the EPA's ENERGY STAR® Computers
program.
ENERGY STAR® Emblem
The EPA's ENERGY STAR® Computers program is a joint effort between
the EPA and computer manufacturers to reduce air pollution by promoting
energy-efficient computer products. The EPA estimates that use of
ENERGY STAR® computer products can save computer users up to two
billion dollars annually in electricity costs. In turn, this reduction in
electricity usage can reduce emissions of carbon dioxide, the gas primarily
responsible for the greenhouse effect, and sulfur dioxide and nitrogen
oxides, which are the two primary causes of acid rain.
Computer users can also help to reduce electricity usage and its side effects
by turning off their computer systems when they are not in use for extended
periods of time—particularly at night and on weekends.
274 Additional Information
www.dell.com | support.dell.com
Limited Warranty and Return Policy
Three-Year Limited Warranty (U.S. Only)
Dell Computer Corporation (“Dell”) manufactures its hardware products
from parts and components that are new or equivalent to new in accordance
with industry-
standard practices. Dell warrants that the hardware products it
manufactures will be free from defects in materials and workmanship. The
limited warranty term is three years beginning on the date of invoice, as
described in the following text.
Damage due to shipping the products to you is covered under this limited
warranty. Otherwise, this limited warranty does not cover damage due to
external causes, including accident, abuse, misuse, problems with electrical
power, servicing not authorized by Dell, usage not in accordance with
product instructions, failure to perform required preventive maintenance,
and problems caused by use of parts and components not supplied by Dell.
This limited warranty does not cover any items that are in one or more of
the following categories: software; external devices (except as specifically
noted); accessories or parts added to a Dell system after the system is
shipped from Dell; accessories or parts added to a Dell system through
Dell’s system integration department; accessories or parts that are not
installed in the Dell factory; or DellWare™ products. Monitors, keyboards,
and mice that are Dell-branded or that are included on Dell’s standard price
list are covered under this limited warranty; all other monitors, keyboards,
and mice (including those sold through the DellWare program) are not
covered. Batteries for portable computers are covered only during the initial
one-year period of this limited warranty.
Additional Information 275
Coverage During Year One
During the one-year period beginning on the invoice date, Dell will repair or
replace products covered under this limited warranty that are returned to
Dell’s facility. To request warranty service, you must contact Dell’s
Customer Technical Support within the warranty period. See “Getting
Help” to find the appropriate contact information for obtaining customer
assistance. If warranty service is required, Dell will issue a Return Material
Authorization Number. You must ship the products back to Dell in their
original or equivalent packaging, prepay shipping charges, and insure the
shipment or accept the risk of loss or damage during shipment. Dell will
ship the repaired or replacement products to you freight prepaid if you use
an address in the continental U.S., where applicable. Shipments to other
locations will be made freight collect.
NOTE: Before you ship the product(s) to Dell, back up the data on the hard-
disk drive(s) and any other storage device(s) in the product(s). Remove any
removable media, such as diskettes, CDs, or PC Cards. Dell does not accept
liability for lost data or software.
Dell owns all parts removed from repaired products. Dell uses new and
reconditioned parts made by various manufacturers in performing warranty
repairs and building replacement products. If Dell repairs or replaces a
product, its warranty term is not extended.
Coverage During Years Two and Three
During the second and third years of this limited warranty, Dell will provide,
on an exchange basis and subject to Dell’s Exchange Policy in effect on the
date of the exchange, replacement parts for the Dell hardware product(s)
covered under this limited warranty when a part requires replacement. You
must report each instance of hardware failure to Dell’s Customer Technical
Support in advance to obtain Dell’s concurrence that a part should be
replaced and to have Dell ship the replacement part. Dell will ship parts
(freight prepaid) if you use an address in the continental U.S., where
applicable. Shipments to other locations will be made freight collect. Dell
will include a prepaid shipping container with each replacement part for
your use in returning the replaced part to Dell. Replacement parts are new
or reconditioned. Dell may provide replacement parts made by various
manufacturers when supplying parts to you. The warranty term for a
replacement part is the remainder of the limited warranty term.
276 Additional Information
www.dell.com | support.dell.com
You will pay Dell for replacement parts if the replaced part is not returned to
Dell. The process for returning replaced parts, and your obligation to pay for
replacement parts if you do not return the replaced parts to Dell, will be in
accordance with Dell’s Exchange Policy in effect on the date of the
exchange.
You accept full responsibility for your software and data. Dell is not required
to advise or remind you of appropriate backup and other procedures.
General Provisions
THIS LIMITED WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS,
AND YOU MAY ALSO HAVE OTHER RIGHTS, WHICH VARY FROM
STATE TO STATE (OR JURISDICTION TO JURISDICTION). DELL'S
RESPONSIBILITY FOR MALFUNCTIONS AND DEFECTS IN
HARDWARE IS LIMITED TO REPAIR AND REPLACEMENT AS SET
FORTH IN THIS LIMITED WARRANTY STATEMENT. ALL EXPRESS
AND IMPLIED WARRANTIES FOR THE PRODUCT, INCLUDING
BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF AND
CONDITIONS OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE, ARE LIMITED IN DURATION TO THE
WARRANTY PERIOD SET FORTH ABOVE AND NO WARRANTIES,
WHETHER EXPRESS OR IMPLIED, WILL APPLY AFTER SUCH
PERIOD.
SOME STATES (OR JURISDICTIONS) DO NOT ALLOW
LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS, SO
THE PRECEDING LIMITATION MAY NOT APPLY TO YOU.
DELL DOES NOT ACCEPT LIABILITY BEYOND THE REMEDIES
SET FORTH IN THIS LIMITED WARRANTY STATEMENT OR
LIABILITY FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES,
INCLUDING WITHOUT LIMITATION ANY LIABILITY FOR
PRODUCTS NOT BEING AVAILABLE FOR USE OR FOR LOST DATA
OR SOFTWARE.
SOME STATES (OR JURISDICTIONS) DO NOT ALLOW THE
EXCLUSION OR LIMITATION OF INCIDENTAL OR
CONSEQUENTIAL DAMAGES, SO THE PRECEDING EXCLUSION
OR LIMITATION MAY NOT APPLY TO YOU.
Additional Information 277
These provisions apply to Dell’s three-year limited warranty only. For
provisions of any service contract covering your system, refer to your invoice
or the separate service contract that you will receive.
If Dell elects to exchange a system or component, the exchange will be
made in accordance with Dell’s Exchange Policy in effect on the date of the
exchange. In any instance in which Dell issues a Return Material
Authorization Number, Dell must receive the product(s) for repair prior to
the expiration of the warranty period in order for the repair(s) to be covered
by the limited warranty.
NOTE: If you chose one of the available warranty and service options in place
of the standard three-year limited warranty described in the preceding text, the
option you chose will be listed on your invoice.
Three-Year Limited Warranty (Canada Only)
Dell Computer Corporation (“Dell”) manufactures its hardware products
from parts and components that are new or equivalent to new in accordance
with industry-
standard practices. Dell warrants that the hardware products it
manufactures will be free from defects in materials and workmanship. The
warranty term is three years beginning on the date of invoice, as described
in the following text.
Damage due to shipping the products to you is covered under this limited
warranty. Otherwise, this limited warranty does not cover damage due to
external causes, including accident, abuse, misuse, problems with electrical
power, servicing not authorized by Dell, usage not in accordance with
product instructions, failure to perform required preventive maintenance,
and problems caused by use of parts and components not supplied by Dell.
278 Additional Information
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This limited warranty does not cover any items that are in one or more of
the following categories: software; external devices (except as specifically
noted); accessories or parts added to a Dell system after the system is
shipped from Dell; accessories or parts added to a Dell system through
Dell’s system integration department; accessories or parts that are not
installed in the Dell factory; or DellWare products. Monitors, keyboards,
and mice that are Dell-branded or that are included on Dell’s standard price
list are covered under this limited warranty; all other monitors, keyboards,
and mice (including those sold through the DellWare program) are not
covered. Batteries for portable computers are covered only during the initial
one-year period of this limited warranty.
Coverage During Year One
During the one-year period beginning on the invoice date, Dell will repair or
replace products covered under this limited warranty that are returned to
Dell’s facility. To request warranty service, you must contact Dell’s
Customer Technical Support within the warranty period. See “Getting
Help” to find the appropriate contact information for obtaining customer
assistance. If warranty service is required, Dell will issue a Return Material
Authorization Number. You must ship the products back to Dell in their
original or equivalent packaging, prepay shipping charges, and insure the
shipment or accept the risk of loss or damage during shipment. Dell will
ship the repaired or replacement products to you freight prepaid if you use
an address in Canada, where applicable. Shipments to other locations will
be made freight collect.
NOTE: Before you ship the product(s) to Dell, back up the data on the hard-
disk drive(s) and any other storage device(s) in the product(s). Remove any
removable media, such as diskettes, CDs, or PC Cards. Dell does not accept
liability for lost data or software.
Dell owns all parts removed from repaired products. Dell uses new and
reconditioned parts made by various manufacturers in performing warranty
repairs and building replacement products. If Dell repairs or replaces a
product, its warranty term is not extended.
Additional Information 279
Coverage During Years Two and Three
During the second and third years of this limited warranty, Dell will provide,
on an exchange basis and subject to Dell’s Exchange Policy in effect on the
date of the exchange, replacement parts for the Dell hardware product(s)
covered under this limited warranty when a part requires replacement. You
must report each instance of hardware failure to Dell’s Customer Technical
Support in advance to obtain Dell’s concurrence that a part should be
replaced and to have Dell ship the replacement part. Dell will ship parts
(freight prepaid) if you use an address in Canada, where applicable.
Shipments to other locations will be made freight collect. Dell will include a
prepaid shipping container with each replacement part for your use in
returning the replaced part to Dell. Replacement parts are new or
reconditioned. Dell may provide replacement parts made by various
manufacturers when supplying parts to you. The warranty term for a
replacement part is the remainder of the limited warranty term.
You will pay Dell for replacement parts if the replaced part is not returned to
Dell. The process for returning replaced parts, and your obligation to pay for
replacement parts if you do not return the replaced parts to Dell, will be in
accordance with Dell’s Exchange Policy in effect on the date of the
exchange.
You accept full responsibility for your software and data. Dell is not required
to advise or remind you of appropriate backup and other procedures.
General Provisions
DELL MAKES NO EXPRESS WARRANTIES OR CONDITIONS
BEYOND THOSE STATED IN THIS LIMITED WARRANTY
STATEMENT. DELL DISCLAIMS ALL OTHER WARRANTIES AND
CONDITIONS, EXPRESS OR IMPLIED, INCLUDING WITHOUT
LIMITATION IMPLIED WARRANTIES AND CONDITIONS OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
SOME STATES (OR JURISDICTIONS) DO NOT ALLOW
LIMITATIONS ON IMPLIED WARRANTIES OR CONDITIONS, SO
THIS LIMITATION MAY NOT APPLY TO YOU.
280 Additional Information
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DELL’S RESPONSIBILITY FOR MALFUNCTIONS AND DEFECTS IN
HARDWARE IS LIMITED TO REPAIR AND REPLACEMENT AS SET
FORTH IN THIS LIMITED WARRANTY STATEMENT. THESE
WARRANTIES GIVE YOU SPECIFIC LEGAL RIGHTS, AND YOU MAY
ALSO HAVE OTHER RIGHTS, WHICH VARY FROM STATE TO
STATE (OR JURISDICTION TO JURISDICTION).
DELL DOES NOT ACCEPT LIABILITY BEYOND THE REMEDIES
SET FORTH IN THIS LIMITED WARRANTY STATEMENT OR
LIABILITY FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES,
INCLUDING WITHOUT LIMITATION ANY LIABILITY FOR
PRODUCTS NOT BEING AVAILABLE FOR USE OR FOR LOST DATA
OR SOFTWARE.
SOME STATES (OR JURISDICTIONS) DO NOT ALLOW THE
EXCLUSION OR LIMITATION OF INCIDENTAL OR
CONSEQUENTIAL DAMAGES, SO THE PRECEDING EXCLUSION
OR LIMITATION MAY NOT APPLY TO YOU.
These provisions apply to Dell’s three-year limited warranty only. For
provisions of any service contract covering your system, refer to your invoice
or the separate service contract that you will receive.
If Dell elects to exchange a system or component, the exchange will be
made in accordance with Dell’s Exchange Policy in effect on the date of the
exchange. In any instance in which Dell issues a Return Material
Authorization Number, Dell must receive the product(s) for repair prior to
the expiration of the warranty period in order for the repair(s) to be covered
by the limited warranty.
NOTE: If you chose one of the available warranty and service options in place
of the standard three-year limited warranty described in the preceding text, the
option you chose will be listed on your invoice.
Additional Information 281
One-Year End-User Manufacturer Guarantee
(Latin America and the Caribbean Only)
Guarantee
Dell Computer Corporation (“Dell”) warrants to the end user in accordance
with the following provisions that its branded hardware products, purchased
by the end user from a Dell company or an authorized Dell distributor in
Latin America or the Caribbean, will be free from defects in materials,
workmanship, and design affecting normal use, for a period of one year from
the original purchase date. Products for which proper claims are made will,
at Dell’s option, be repaired or replaced at Dell’s expense. Dell owns all
parts removed from repaired products. Dell uses new and reconditioned
parts made by various manufacturers in performing repairs and building
replacement products.
Exclusions
This Guarantee does not apply to defects resulting from: improper or
inadequate installation, use, or maintenance; actions or modifications by
unauthorized third parties or the end user; accidental or willful damage; or
normal wear and tear.
Making a Claim
Claims must be made in Latin America or the Caribbean by contacting the
Dell point of sale within the guarantee period. The end user must always
supply proof of purchase, indicating name and address of the seller, date of
purchase, model and serial number, name and address of the customer, and
details of symptoms and configuration at the time of malfunction,
including peripherals and software used. Otherwise, Dell may refuse the
guarantee claim. Upon diagnosis of a warranted defect, Dell will make
arrangements and pay for ground freight and insurance to and from Dell’s
repair/replacement center. The end user must ensure that the defective
product is available for collection properly packed in original or equally
protective packaging together with the details listed above and the return
number provided to the end user by Dell.
282 Additional Information
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Limitation and Statutory Rights
Dell makes no other warranty, guarantee or like statement other than as
explicitly stated above, and this Guarantee is given in place of all other
guarantees whatsoever, to the fullest extent permitted by law. In the absence
of applicable legislation, this Guarantee will be the end user’s sole and
exclusive remedy against Dell or any of its affiliates, and neither Dell nor
any of its affiliates shall be liable for loss of profit or contracts, or any other
indirect or consequential loss arising from negligence, breach of contract, or
howsoever.
This Guarantee does not impair or affect mandatory statutory rights of the
end user against and/or any rights resulting from other contracts
concluded by the end user with Dell and/or any other seller.
Dell World Trade LP
One Dell Way, Round Rock, TX 78682, USA
Dell Computadores do Brasil Ltda (CNPJ No. 72.381.189/0001-10)/
Dell Commercial do Brasil Ltda (CNPJ No. 03 405 822/0001-40)
Avenida Industrial Belgraf, 400
92990-000 - Eldorado do Sul – RS - Brasil
Dell Computer de Chile Ltda
Coyancura 2283, Piso 3- Of.302,
Providencia, Santiago - Chile
Dell Computer de Colombia Corporation
Carrera 7 #115-33 Oficina 603
Bogota, Colombia
Dell Computer de Mexico SA de CV
Paseo de la Reforma 2620 - 11° Piso
Col. Lomas Altas
11950 México, D.F.
Additional Information 283
"Total Satisfaction" Return Policy (U.S. and Canada Only)
If you are an end-user customer who bought new products directly from a
Dell company, you may return them to Dell within 30 days of the date of
invoice for a refund or credit of the product purchase price. If you are an
end-user customer who bought reconditioned or refurbished products from
a Dell company, you may return them to Dell within 14 days of the date of
invoice for a refund or credit of the product purchase price. In either case,
the refund or credit will not include any shipping and handling charges
shown on your invoice. If you are an organization that bought the products
under a written agreement with Dell, the agreement may contain different
terms for the return of products than specified by this policy.
To return products, you must contact Dell Customer Service to receive a
Credit Return Authorization Number. See “Getting Help” to find the
appropriate contact information for obtaining customer assistance. To
expedite the processing of your refund or credit, Dell expects you to return
the products to Dell in their original packaging within five days of the date
that Dell issues the Credit Return Authorization Number. You must also
prepay shipping charges and insure the shipment or accept the risk of loss or
damage during shipment. You may return software for refund or credit only
if the sealed package containing the diskette(s) or CD(s) is unopened.
Returned products must be in as-new condition, and all of the manuals,
diskette(s), CD(s), power cables, and other items included with a product
must be returned with it. For customers who want to return, for refund or
credit only, either applications software or an operating system that has
been installed by Dell, the whole system must be returned, along with any
media and documentation that may have been included in the original
shipment.
This “Total Satisfaction” Return Policy does not apply to DellWare
products, which may be returned under DellWare's then-current return
policy. In addition, reconditioned parts purchased through Dell Spare Parts
Sales in Canada are nonreturnable.
284 Additional Information
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Glossary 285
Glossary
A
Ampere. A measurement of current in an electrical
conductor.
AC
Alternating current. Electricity that reverses its
direction at a rate of 60 times per second (50 times
per second in some countries). See DC.
Accelerator
A computer component that enhances the processing
speed of a particular device, usually by taking over
some of the tasks originally assigned by that device.
For example, a video accelerator card will take over
some of the graphic functions originally assigned to
the microprocessor.
ACPI
Advanced Configuration and Power Interface. An
industry standard developed by Intel®, Microsoft®,
and Toshiba for computer power management. The
key element of the standard is that the OS controls
power management. In previous standards, most of
the power management tasks were run by the BIOS,
with limited intervention by the OS. In ACPI, the
BIOS communicates with hardware components in
the computer, but the OS controls power
management operations.
AGP
Accelerated graphics port. A high-speed graphics port
that produces fast communication between the
graphics controller and computer. It allows the video
controller to directly access the computer's main
memory and bypass the PCI bus. A video expansion
card installed in this port can run almost twice as fast
as that in a PCI slot. This also helps to reduce the
traffic on the PCI bus.
ANSI
American National Standards Institute. An
organization that publishes standards for data
alphabets, codes, and signaling schemes. See ISO.
API
Application Program Interface. The interface through
which an application program accesses the OS and
other services.
APIC
Advanced programmable interrupt controller.
Prioritizes and manages IRQs for the various devices
in a PC. Without an APIC, the microprocessor must
control IRQs.
ASCII
American Standard Code for Information Interchange.
The basis of character sets used in many present-day
computers. ASCII can be used to convey some
control codes, the space character, numbers, most
basic punctuation, and unaccented lower- and upper-
case letters.
AT
Advanced Technology. An IBM® PC introduced in
1984 that has an Intel 80286 microprocessor, 16-bit
bus, and 1.2 MB diskette drive.
ATA
Advanced Technology Attachment. A specification for
drive interface. See IDE.
286 Glossary
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ATAPI
Advanced Technology Attachment Packet Interface. An
interface used to connect CD, tape, and other drives
with a computer.
Binary
A system of numbers having 2 as its base and using 0
and 1 for its notation. Binary code is used by
computers because it works well with digital
electronics and logic.
BIOS
Basic input/output system. Composed of software and
data stored on a ROM chip. The BIOS initializes
communication between the microprocessor and
devices such as the keyboard and video adapter. The
BIOS also controls system functions such as error
messages and beep codes. The BIOS can be updated,
or "flashed," which can correct errors, support new
hardware, and so on. System setup allows you to
configure certain options in the BIOS.
Bit
A shortened reference to binary digit. A bit is the
smallest unit of storage and represents a quantity that
can have only one of two possible values, such as true
or false, or 0 or 1.
bps
Bits per second. A measurement of data transmission
speed.
Bps
Bytes per second. A measurement of data transmission
speed.
BTU
British Thermal Unit. A measurement of thermal
energy that equals approximately 1055 joules (or
1055 watt-seconds), or the amount of thermal energy
necessary to raise the temperature of one pound of
pure liquid water by one degree F at the temperature
at which water has its greatest density (39 °F).
Bus
An electronic pathway that links computer
components such as the microprocessor, RAM,
expansion cards, and so on. The "width" of a bus
indicates the amount of data that can move along the
bus and is determined by the number of parallel
conductors in the bus. For example, a 32-bit bus has
32 conductors and can move 32 bits of data at once.
Bus Speed
The speed, given in MHz, that indicates how fast a
bus can transfer information. For example, PCI bus
speeds are 33 or 66 MHz, and the AGP bus speed is
66 MHz. Intel Pentium® microprocessors have bus
speeds of 66 or 100 MHz. The microprocessor
operating speed is determined by a combination of
the bus speed and multiplier; for example, 100 MHz
bus speed x 4.5 multiplier = 450 MHz
microprocessor speed.
Byte
A measurement of data storage that equals eight
contiguous bits of information.
C
Celsius. A measurement of temperature that equals
the conversion formula (Tf - 32) * (5 / 9), where Tf
equals temperature in F.
Cache
An area of high-speed RAM set aside to store
frequently accessed data. When data is accessed, a
copy is stored in cache memory. The next time the
microprocessor looks for information, it first checks
the cache. If the data is there, the microprocessor
retrieves it from the much-faster cache memory.
Drive caching and RAM caching significantly
improve the overall speed of the computer. See also
L1 Cache and L2 Cache.
CD
Compact disc. An optical form of storage media,
typically used for audio and application programs.
Glossary 287
CD-R
CD recordable. A recordable version of a CD. Data
can be recorded only once onto a CD-R. Once
recorded, the data cannot be erased or written over.
CD-RW
CD rewritable. A rewritable version of a CD. Data can
be written to a CD-RW, then erased and written over
(rewritten).
Chip
See IC.
CIM
Common Information Model. CIM allows remote
management application programs to access system
management information on a client computer
running any Microsoft Windows® OS that includes
the WBEM core components.
Clock Speed
The speed, given in MHz, that indicates how fast
computer components operate that are connected to
the system bus. The speed is generated by a quartz
crystal on the system board that acts as a kind of
metronome. Components that are synchronized with
the clock speed can run faster or slower, but their
speed is determined by multiplying or dividing a
factor by the clock speed.
cm
Centimeter(s). A measurement of length equal to 0.39
inch.
CMOS
Complementary metal-oxide semiconductor. Memory
chips that are often used for NVRAM storage.
COA
Certificate of Authenticity. The Microsoft Windows
COA is a 25-digit alpha-numeric code located on a
sticker on your computer. You need the COA to
complete the OS setup or reinstallation. Also referred
to as the Product Key or Product ID. For more
information, see http://support.dell.com.
COM Port
A shortened reference to communications port. The
typical designation for a serial port connection to a
modem or other serial device. Most computers
support one or two serial ports designated as COM1
and COM2.
Control Code
An I/O character that causes an action rather than
appears as part of the data. You can input most
control codes by simultaneously pressing the <Ctrl>
key and a letter or character on the keyboard. Some
control codes usually have their own assigned keys,
such as <Escape>, <Tab>, <Delete>,
<Backspace>, and <Enter>. Different OSs and
programs have their own conventions for what effect
certain control codes will have, such as interrupting
the current process or suspending output. Control
codes can also be used to affect an output device, such
as causing a printer to start a new line of text.
Controller
Part of a computer, typically a separate circuit board
or chip, that allows the computer to use certain kinds
of devices. Types of controllers include hard-drive,
network, keyboard, interrupt, and graphics
controllers.
COO
Cost of ownership. Business asset data that helps an
organization collect and track information about its
assets. COO data is contained in a file on a computer,
defining the fiscal aspects of the computer, such as
ownership status, warranty information, lease
configuration, acquisition information, and so on.
The computer is a technology investment, and COO
business asset data provides organizations with
information they can use to target the reduction of
maintenance and support costs, as well as to assist
system integrators track the cost of computers they
provide for their customers.
288 Glossary
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CPU
Central processing unit. A computer chip that
interprets and executes program instructions. Also
referred to as the microprocessor.
CRIMM
Continuity Rambus in-line memory module (RIMM).
Module that provides electrical continuity through
the Rambus channel when the channel is not fully
populated. All Rambus slots in a system must be filled
with either a RIMM or a CRIMM.
D-Sub
See Subminiature-D.
DAT
Digital audio tape. A type of magnetic tape originally
designed for audio format, now also used in
computers to back up data. DAT cassettes are about
the physical size of audio cassettes and can store
numerous GB of data.
Data Striping
The segmentation of logically sequential data, such
as a single file, so that segments can be written to
multiple devices, usually hard drives, in a round-robin
manner. This method is useful if the microprocessor
i s c ap ab le of t r an s fe r r in g d at a f ast e r t ha n a si ng le dr iv e
can supply or accept it. While data is being
transferred from the first drive, the second drive can
locate the next segment.
dB
Decibel(s). A measurement of relative loudness of a
sound or, in electronics, for the relative difference
between two power levels.
DC
Direct current. An electric current flowing in one
direction only. See AC.
DCE
Data communication equipment. In computer data
transmission, DCE is the RS-232 interface that a
modem or other serial device uses to exchange data
with the computer. See also DTE.
Device
Any piece of equipment that is not part of the
essential computer (such as the microprocessor,
RAM, and data buses) but is connected to or installed
in the computer. Some devices are installed inside
the main part of the computer, such as the hard drive,
CD drive, and network adapter. Other devices are
outside the computer, such as the printer, but are
attached by a cable or wireless connection.
DIMM
Dual in-line memory module. A slim circuit board
containing RAM chips, as does a SIMM. DIMMs
normally have 168 pins. See also RIMM.
DIN
Deutsche Industrie Normenausschuss. A German
standards organization and member of ISO.
DIN is also a form of connector on your computer
that is round, has 5 pins, and is typically used to
connect AT keyboard cable connectors. See also
Mini-DIN.
DMA
Direct memory access. An electronic pathway or direct
channel on which a device can bypass the
microprocessor and transfer data directly to RAM. A
DMA channel is often one of the resources assigned
when configuring an expansion card or EIDE drive.
DMA is a recent alternative to PIO.
DMI
Desktop Management Interface. A standard of WfM
that provides a method to determine various
management attributes of a computer through the
use of a standard software interface.
DMTF
Distributed Management Task Force. An industry
organization leading the development, adoption, and
unification of management standards and initiatives
Glossary 289
for desktop, enterprise, and Internet environments.
Working with key technology vendors and affiliated
standards groups, the DMTF is enabling a more
integrated and efficient approach to management.
DRAM
Dynamic random-access memory (RAM). Referred to
as "dynamic" because it must be regularly refreshed,
unlike SRAM, which retains a value as long as power
is supplied. See also RDRAM and SDRAM.
DRDRAM
Direct Rambus dynamic random-access memory
(RDRAM). Provides a 16-bit bus, rather than the 8-
bit DRAM bus. At a speed of 800 MHz, the peak data
transfer rate is 1.6 billion Bps. DRDRAM uses
pipelining to accelerate processing, allowing up to
eight operations to be performed simultaneously.
DTE
Data terminal equipment. In computer data
transmission, DTE is the RS-232 interface that a
computer uses to exchange data with a modem or
other serial device. See also DCE.
DVD
Digital versatile disc. An optical form of storage
media, typically used for movies. DVD has improved
capacity and bandwidth compared with the CD.
Most DVD drives support CD media as well.
ECC
Error checking and correction. A type of RAM that
checks data that is being read or transmitted for errors
and, when necessary, corrects the errors. See also
EDO.
ECP
Extended Capabilities Port. A parallel port design that
provides improved bidirectional data transmission.
Like EPP, it uses DMA to transfer data and often
improves performance. Devices such as printers that
connect to the computer’s parallel port are designed
to take advantage of the ECP standard.
EDO
Extended-data out. A type of RAM that improves the
time to read from memory on faster microprocessors
such as the Intel Pentium. For faster computers,
different types of DRAM are considered. See also
ECC.
EIDE
Enhanced integrated device electronics. An improved
version of the IDE interface for hard drives and CD
drives. EIDE uses Logical Block Addressing, which
allows for hard-drive storage capacities greater than
528 MB. It makes use of DMA channels and can
address up to four drives. Also called fast ATA.
EMI
Electromagnetic interference. Electrical interference
caused by electromagnetic radiation.
Energy Star
A series of EPA requirements to decrease the overall
consumption of electricity.
EPA
Environmental Protection Agency.
EPP
Enhanced Parallel Port. A parallel port design that
provides improved bidirectional data transmission.
Like ECP, it uses DMA to transfer data and often
improves performance. Many devices that connect to
the computer’s parallel port are designed to take
advantage of the EPP standard.
EPP/ECP
Enhanced Parallel Port (EPP)/Extended Capabilities
Port (ECP). A parallel port design that provides
improved bidirectional data transmission, using
DMA. EPP is for nonprinter devices. ECP is for
printers and scanners.
EPROM
Erasable programmable read-only memory (ROM). A
chip that can be erased and then reprogrammed.
290 Glossary
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ESD
Electrostatic discharge. A rapid discharge of static
electricity that can damage computer chips and
devices.
Ethernet
A network communications protocol. See also
Network Adapter.
Expansion Card
An electronic circuit board that installs in an
expansion slot on the computer’s system board,
expanding the capabilities of the computer.
Examples of expansion cards include, video, modem,
and sound cards.
Expansion Slot
A connector or "slot" on the computer’s system board
that allows for the insertion of an expansion card,
connecting it to the system’s bus.
Express Service Code
A numeric code located on a sticker on your Dell™
computer. This code is a mathematical conversion of
the computer’s Service Tag Number into a purely
numeric format allowing for easy entry into Dell's
automated call-routing system. Enter the Express
Service Code, using a touch-tone telephone, when
contacting Dell for assistance. For more information,
see http://support.dell.com.
F
Fahrenheit. A measurement of temperature that
equals the conversion formula (9 / 5) * Tc + 32,
where Tc equals temperature in C.
FCC
Federal Communications Commission. A U.S. agency
responsible for enforcing communications-related
regulations on how much radiation computers and
other electronic equipment can emit.
FSB
Front side bus. The data path and physical interface
between the microprocessor and RAM.
ft
Foot (feet). A measurement of length that equals 12
inches.
FTP
File Transfer Protocol. A standard Internet protocol
to exchange files between computers on the Internet.
Like http, which transfers HTML pages and related
files, FTP is a protocol that uses the Internet's TCP/IP
protocols.
G
Gravities. A measurement of weight and force.
g
Gram. A measurement of mass and weight.
GB
Gigabyte. A measurement of data or drive storage
capacity that equals 1024 MB (1,073,741,824 bytes).
GHz
Gigahertz. A measurement of frequency that equals
one thousand million Hz, or one thousand MHz.
GUI
Graphical user interface. Software that interacts with
the user by means of menus, windows, and icons.
Most applications that operate on the Microsoft
Windows OS are GUIs.
Hard-Drive Controller
A computer component that provides an interface
with an individual hard drive. With the introduction
of IDE, the controller was produced as a chip
integrated into the hard-drive housing, whereas it was
previously a dedicated expansion card. See also
Controller.
Glossary 291
Heat Sink
A piece of heat-conductive metal that can be
attached to the top of a chip, such as the
microprocessor, to draw heat away and allow the chip
to operate at a cooler temperature.
Hot-Swappable
Indicates that a device can be connected to or
disconnected from a computer while the computer is
running. After the hot-swappable device is connected
to the computer, the OS can immediately recognize
and use the device.
hr
Hour(s). A measurement of time that equals 60 min.
HTML
Hypertext Markup Language. A set of codes inserted
into an Internet web page intended for display on an
Internet browser. The codes tell the browser how to
display the contents of the web page.
http
Hypertext Transfer Protocol. A protocol for
exchanging files between computers on the Internet.
Each URL begins with http://.
Hz
Hertz. A measurement of frequency that equals 1
cycle per second. Computers and electronic devices
are often measured in kilohertz (kHz), megahertz
(MHz), gigahertz (GHz), or terahertz (THz).
I/O
Input/output. An operation or device that enters
and/or extracts data from the computer. For example,
a keyboard is an input device, and a printer is an
output device.
I/O Address
An address in RAM that is associated with a specific
device (such as a serial port, parallel port, or
expansion slot) and allows the microprocessor to
communicate with that device.
IC
Industry Canada. The Canadian regulatory body
responsible for regulating emissions from electronic
equipment, much as the FCC does in the United
States. IC polices the Canadian marketplace to
ensure that equipment manufactured in or imported
into Canada meet the proper emissions limits.
IC
Integrated circuit. A microelectronic semiconductor
component consisting of many interconnected
transistors and other devices. Also called a chip.
Examples include the microprocessor, hard-drive
controller, and RAM chips.
IDE
Integrated Device Electronics. An ATA specification
for drive interface. This is a common interface used
primarily for hard drives and CD drives. This
interface is commonly integrated directly into the
computer’s system board, and it allows up to four
drives to communicate simultaneously with the
computer. See also EIDE.
IP
Internet Protocol. The protocol governing how data is
sent from one computer to another on the Internet.
See also IP Address and TCP/IP.
IP Address
Each computer on the Internet has at least one IP
address that uniquely identifies it from all other
computers on the Internet. When you send or receive
data on the Internet, it contains both the sender's and
receiver's addresses. See also TCP/IP.
IPX
Internetwork packet eXchange. A networking protocol
from Novell® that interconnects networks that use
Novell's NetWare® clients and servers. See also SPX
and IPX/SPX.
IPX/SPX
Internetwork Packet eXchange (IPX)/Sequenced
Packet eXchange (SPX). A Novell network
292 Glossary
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communications protocol that functions similarly to
TCP/IP.
IRQ
Interrupt request. An electronic pathway assigned to
a specific device so that the device can communicate
with the microprocessor. Each device connection
must be assigned an IRQ. For example, the first serial
port in your computer is typically assigned to IRQ4.
Although two devices can share the same IRQ
assignment, you cannot operate both devices
simultaneously.
ISA
Industry-Standard Architecture. A standard for
IBM-compatible PCs that extends the bus
architecture to 16 bits. It also allows for bus
mastering, although only the first 16 MB of RAM are
available for direct access. ISA is sometimes referred
to as AT bus architecture.
ISO
International Organization for Standardization. A
voluntary organization founded in 1946, comprised
of the national standards organizations of many
countries. ISO determines international standards in
many areas, including computers and
communications. ANSI is the American member of
ISO.
Kb
Kilobit(s). A measurement of data that equals 1024
bits. A measurement of the capacity of memory
integrated circuits. See also KB.
KB
Kilobyte(s). A measurement of data that equals 1,024
bytes. 1024 KB equals 1 MB.
kg
Kilogram(s). A measurement of mass that equals
1,000 grams.
kHz
Kilohertz. A measurement of frequency that equals
1,000 Hz.
L1 Cache
Level 1 cache. A small, very fast primary cache that is
stored inside the microprocessor. It is faster than the
L2 cache.
L2 Cache
Level 2. A larger, slower secondary cache used with
the L1 cache. In older microprocessors, the L2 cache
was usually external to the processor, contained on
chip(s) or an expansion card. On more recent
processors the L2 cache is typically integrated into
the processor.
lb
Pound(s). A measurement of weight that equals 16 oz
or 0.453592 kg.
LBA
Logical block addressing. A defining feature of EIDE
that allows a computer to address a hard drive larger
than 528 MB, up to 8.4 GB in data storage capacity.
A logical block address is a 28-bit value that maps to
a specific cylinder-head-sector address on the drive.
LED
Light-emitting diode. An electronic component that
lights up when a current is passed through it.
LIF
Low insertion force. A type of socket or connector that
allows a computer chip to be installed or removed
with minimal stress applied to either the chip or its
socket. See ZIF.
Local Bus
A bus that allows chips and other components in the
computer to access the microprocessor at a speed
synchronized with the microprocessor bus speed.
Glossary 293
LPT Port
Line print terminal. The typical designation for a
parallel port connection to a printer or other parallel
device. Most computers support one or two parallel
ports designated as LPT1 and LPT2.
LVD
Low voltage differential. A form of SCSI interface that
will be formalized in the SCSI-3 specification. LVD
uses less power than the present differential drive, is
less expensive, and supports the higher speeds of
Ultra-2 SCSI drives. LVD requires 3.3 VDC instead
of 5 VDC, the previous standard.
m
Meter. A measurement of length that equals 39.37
inches.
mA
milliAmpere. A measurement of current that equals
one thousandth of an A.
Mb
Megabit. A measurement of memory chip capacity
that equals 1024 Kb.
Mbps
Megabits per second. A measurement of network and
modem transmission speeds that equals one million
bits per second.
MB
Megabyte. A measurement of data storage that equals
1,048,576 bytes. 1 MB equals 1024 KB. When
referring to hard drive storage, the term is often
rounded to mean 1 million bytes.
MBA
Managed boot agent. Provides multiple PXEs and
allows a computer to boot from a network server.
MBps
MB(s) per second. A measurement of data
transmission speed.
Memory Address
Addresses assigned to physical memory locations by
the computer at start-up. These addresses allow
devices and software applications to identify
information that the microprocessor can access. This
process is referred to as Memory Mapping.
Memory Mapping
The process by which the computer assigns memory
addresses to physical memory locations at start-up.
Devices and software applications can then identify
information that the microprocessor can access.
MHz
Megahertz. A measurement of frequency that equals
one million Hz.
Microprocessor
A computer chip that interprets and executes
program instructions. Also referred to as the CPU.
See also Bus Speed.
MIF
Management Information Format. A syntax for
describing information for manageable hardware and
software components that can be installed on a
computer. See also COO, WBEM, and WfM.
min
Minute(s). A measurement of time that equals 60 sec.
Mini-DIN
A form of DIN connector that is round, has 6 pins,
and is typically used to connect PS/2 keyboard or
mouse cable connectors.
mm
Millimeter. A measurement of length that equals one
thousandth of a meter or 1/25 inch.
Modem
A shortened reference to modulator/demodulator.
Modems convert analog data into digital data and
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vice-versa so that computers can communicate over
telephone lines.
Monitor
The high-resolution TV-like device that displays your
computer's output.
ms
Millisecond. A measurement of storage device access
time that equals one thousandth of a second.
MTBF
Mean time between failures. A measurement of
estimated equipment reliability. The higher the
MTBF, the longer the equipment should last. For
example, if the MTBF is 10,000 hours, the equipment
should run, on the average, at least 10,000 hours
before failing.
Network Adapter
An expansion card that connects a computer to other
computers on a network. The network adapter works
with the network OS to transfer information over the
network. See NIC.
NIC
Network Interface Controller. Also referred to as a
network adapter.
NiCad
Nickel cadmium. A chemical composition used in
certain rechargeable batteries.
NiMH
Nickel-metal hydride. A chemical composition used
in certain rechargeable batteries.
Node
In networking and communications, a node is any
computer or device attached to a network.
NVRAM
Non-volatile random-access memory (RAM). Memory
that does not lose its contents when you turn off your
computer. NVRAM is used for maintaining the
system configuration information such as date, time,
and other user-settable system setup options.
On-Board
Usually refers to components that are physically
located on a circuit board. For example, the system
boards of many present-day computers have
integrated video, sound, and/or network controllers.
OS
Operating system. The program that, after being
loaded initially into the computer at start-up,
manages all the other application programs in a
computer. The application programs use the OS by
making requests for services through an API. Often
the OS also allows direct interaction by the user.
oz
Ounce. A measurement of weight that equals 1/16 of
a lb.
Parallel Port
An I/O port on your computer that transfers data
eight bits at a time. It uses a 25-pin, female
subminiature-D connector, typically to connect a
printer. Also referred to as an LPT port.
PBX
Private branch exchange. A telephone system owned
and operated by a private organization rather than the
telephone company. This telephone system switches
calls between users in the organization on internal
lines while allowing users to share a certain number
of external phone lines. The main purpose of a PBX
is to save the cost of requiring a separate telephone
line for each user.
PC
Personal computer. Commonly used to describe an
IBM-compatible computer, as opposed to an Apple
Macintosh computer.
Glossary 295
PCI
Peripheral Component Interconnect. A standard for
expansion cards developed by Intel Corporation. PCI
is a local bus that supports 32- and 64-bit data paths,
providing a high-speed data path between the
microprocessor and devices such as video, drives,
network, and so on. PCI devices are PnP-compliant.
PET
Platform event trap. A platform event is an alarm or
specified condition that originates directly from a
computer’s BIOS or hardware components such as
the microprocessor or a chip. The event occurs
independently of the OS or system management
software and hardware. The platform event trap is a
format used for communicating a platform event in
an SNMP environment.
PGA
Pin grid array. A type of socket for a computer chip.
The PGA socket has all its pins lined up in even rows,
as opposed to the SPGA socket, which has its rows
staggered.
Pipeline Processing
A method of processing in which a task is performed
in stages: the output of one stage is input to the next
stage.This method speeds up processing by allowing
several parts of multiple tasks to be run
simultaneously.
PIO
Programmed input/output. A method of moving data
between devices in a computer in which all data
passes through the microprocessor. The most recent
ATA/IDE standard specifies higher data transfer
rates, mode 3 at 11.1 MBps and mode 4 at 16.6 MBps.
A recent alternative to PIO is DMA.
Plug and Play
Often referred to as Plug-n-Play or PnP. A technology
that can automatically configure devices at start-up
to use or share certain IRQs. For this to work properly
the computer’s BIOS and OS must both support PnP,
and all devices being configured must also be PnP-
compliant. PCI devices are PnP-compliant.
PME
Power management event. An event that causes a
computer to be remotely started, such as Remote
Wake Up (WOL) or WOR.
PnP
See Plug and Play.
Port
A socket or plug on your computer that allows you to
attach an external device by connecting its cable. See
also Parallel Port and Serial Port.
POST
Power-on self-test. Diagnostic programs, loaded
automatically by the BIOS during start-up, that
perform basic tests on the major computer
components, such as RAM, the hard drives, the
keyboard, video, and so on. If there are no problems
during the POST, the computer continues the start-
up and loads the OS.
Product ID
Also referred to as Product Key. See COA.
Product Key
Also referred to as Product ID. See COA.
PS/2
Personal System/2. A mini-DIN connector on your
computer that is typically used to connect keyboard
or mouse cable connectors.
PXE
Pre-boot eXecution Environment. A standard of WfM
that allows networked computers that do not have an
OS to be configured and started remotely. PXE
benefits include:
•The client computer does not necessarily need its
own OS or even a hard drive.
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•The client computer can be remotely shut down and
restarted.
•Since PXE is an industry standard, new computers
can easily be added to the network.
RAID
Redundant Array of Independent Disks. A system of
two or more drives working together for performance
and fault tolerance. RAID drives are typically used on
servers and high-end PCs.
There are a number of different RAID levels. The
three most common are 0, 3, and 5:
•Level 0: Provides data striping but no redundancy.
This improves performance but does not provide
fault tolerance.
•Level 3: Same as Level 0, but also reserves one
dedicated drive for error correction data, providing
good performance and some level of fault tolerance.
•Level 5: Provides data striping at the byte level and
also stripe error correction information. This results
in excellent performance and good fault tolerance.
RAM
Random-access memory. The primary temporary
storage area for program instructions and data. RAM
is stored in chips on small circuit boards called
SIMMs, DIMMs, or RIMMs, that attach to the
system board. RAM, unlike ROM, is volatile, which
means that, when you turn off your computer, any
information stored in RAM is lost.
Rambus
Rambus is a memory technology that is designed to
work with existing system board standards as an
alternative to DRAM. See also RIMM, RDRAM, and
DRDRAM.
RDRAM
Rambus dynamic random-access memory (DRAM). A
memory subsystem that can optimally transfer up to
1.6 billion bytes of data per second. The subsystem
consists of RAM, the RAM controller, and the bus
connecting RAM to the microprocessor and other
devices in the computer. See also DRDRAM.
Remote Wake Up
A standard of WfM that provides the ability either to
remotely wake a computer from a low-power sleep
state or to remotely start a computer that is turned
off but connected to a power source. Remote Wake
Up, typically used to conserve power in large network
organizations and to remotely perform
maintenance/configuration operations, must be
supported by an ACPI-compatible computer.
Additionally, to start by a network connection, the
network adapter must support WOL. To start by a
telephone connection, the modem must support
WOR.
RIMM
Rambus in-line memory module. A slim circuit board
containing RDRAM chips. RIMMs are plugged into
sockets on the computer's system board to add
memory to the computer. They typically must be
installed in matched pairs, meaning two sockets
forming a pair must contain RIMMs of identical
capacity, number of RDRAM chips, and speed. See
also SIMM and DIMM.
RJ45
A form of connector resembling a standard telephone
jack that is typically used to connect Ethernet and
Token Ring network adapters and cables. Unlike a
telephone jack, an RJ45 connector has eight wires
instead of two, four, or six.
ROM
Read-only memory. Memory that stores data and
programs that cannot be deleted or written to by the
computer. ROM, unlike RAM, retains its contents
even after you turn off your computer. Some
programs essential to the operation of your computer
reside in ROM.
Glossary 297
RS-232
A long-established standard describing the interface
for serial data communication between computers
and related devices. See also DCE and DTE.
RTC
Real-time clock. Battery-powered clock circuitry on
the system board that keeps the date and time after
you turn off the computer.
RTCRST
Real-time clock reset. A jumper on the system board
that can often be used for troubleshooting problems.
SCSI
Small computer system interface. A high-speed
interface that can be used to connect devices to a
computer, such as hard drives, CD drives, printers,
and scanners. The SCSI can connect up to seven
devices using a single controller. Each device is
accessed by an individual ID number on the SCSI
controller’s bus. See also LVD.
SDRAM
Synchronous dynamic random-access memory
(DRAM). A type of DRAM used on DIMMs. SDRAM
is synchronized with the system clock speed,
operating at the same speed as the system bus.
sec
Second(s). A measurement of time.
Serial Port
An I/O port on your computer that transfers data
sequentially, one bit at a time. It uses either a 9-pin
or a 25-pin, male subminiature-D connector, typically
to connect a device such as a modem or mouse. Also
referred to as a COM port. See also DCE and DTE.
Service Tag Number
A five to seven-digit alpha-numeric code located on
a sticker on your Dell computer. This code is
programmed into your computer’s system setup by
Dell during the manufacturing process. Dell
customer support applications use the Service Tag to
display all of the configuration and support history
information for your specific computer. See also
Express Service Code. For more information, see
http://support.dell.com.
SIMM
Single in-line memory module. A slim circuit board
containing RAM chips. SIMMs can be plugged into
sockets on the computer's system board to add
memory to the computer. Depending on the
computer, SIMMs may need to be installed in
multiples of two or four. See also DIMM and RIMM.
SMART
Self-Monitoring And Reporting Tool. A standard for
developing hard drives and software systems that
automatically monitors a hard drive's health and
reports potential problems. Ideally, this should allow
you to take proactive actions to prevent impending
hard-drive failures.
SMBIOS
System management BIOS. A standard method by
which the BIOS data of a WfM-compliant computer
can be accessed remotely.
SNMP
Simple Network Management Protocol. The protocol
governing network management and the monitoring
of network equipment.
SPGA
Staggered pin grid array. A type of socket for a
computer chip. The SPGA socket has all its pins in
staggered rows, as opposed to the PGA socket, which
has its pins lined up in even rows.
SPX
Sequenced packet exchange. A transport layer protocol
that works with IPX to ensure reliable data
transmissions. See also IPX/SPX.
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SRAM
Static random-access memory (RAM). Referred to as
"static" because it retains a value as long as power is
supplied, unlike DRAM, which must be refreshed
regularly.
Stepping
A term used to indicate a manufacturing “version
number” or “revision level” of an Intel
microprocessor. The initial version of a new processor
is the A0 step. As revisions are made for functional
fixes or manufacturing improvements, the stepping
is increased. Intel recommends using identical
steppings of processors in dual-processor systems.
STP
Shielded twisted pair. A common type of copper
wiring used for Ethernet networks. STP wiring is
constructed just like UTP, having two insulated
copper wires wound around each other to form a
"twisted pair." However, for some business locations,
twisted pairs are also enclosed in a shield that
functions as a ground.
Subminiature-D
D-shaped connectors on your computer that typically
have 9, 15, or 25 pins and can be male or female. Also
referred to as D-Sub connectors.
System Setup
A utility that allows you to configure user-selectable
options in the BIOS such as date and time, or system
password, as well as to set the current configuration
information, including the amount of memory or
type of hard drive installed.
TAPI
Telephony Applications Programming Interface (API).
Enables Microsoft Windows program applications to
operate with a wide variety of telephony devices,
including voice, data, fax, video, and so on.
TCP/IP
Transmission Control Protocol (TCP)/Internet
Protocol (IP). The basic communication protocol of
the Internet. It can also be used in a private network.
TCP/IP is a two-layer system. The higher layer, TCP,
manages the assembling of a file into smaller packets
that are transmitted by one computer over the
Internet and received by the TCP layer on another
computer. The receiving computer’s TCP layer
reassembles the packets into the original message.
The lower layer, IP, addresses each packet so that it
gets to the right destination. See IP and IP Address.
Token Ring
A network communications protocol. See also
Network Adapter.
TSR
Terminate-and-stay-resident. A program application
that is loaded, stays in RAM after it is terminated, and
can be reactivated by pressing a designated "hotkey"
or a combination of keys. Examples of TSRs are
calculators and calendars. OSs like Windows have the
ability to constantly switch back and forth between
applications and thereby do not require TSRs.
UDMA
Ultra DMA. A hard drive protocol that allows the
computer to take advantage of fast Ultra ATA drives.
UL
Underwriters Laboratories, Inc. U.S. Federal law
mandates that all equipment used in a place of
business be certified as safe by a nationally recognized
test laboratory. In addition, many local electrical and
building codes and ordinances require that products
be certified by a nationally recognized test laboratory.
Because UL is one of the most widely recognized test
laboratories in the United States, many customers of
large manufacturers make UL approval a mandatory
requirement.
UPS
Uninterruptible power supply. A device that allows
your computer to keep running for a limited amount
of time after the primary power source is lost.
Typically, a UPS can also provide protection against
power surges.
Glossary 299
URL
Uniform Resource Locator. A standard way of
specifying the location of an object, such as an HTML
document, on the Internet. Examples of URLs
include the following:
•http://www.dell.com
•http://support.dell.com
•ftp.dell.com
•mailto:info@dell.com
The part before the first colon specifies the access
scheme or protocol. Commonly implemented
schemes include FTP and http. The part after the
colon is interpreted according to the access scheme
and can introduce an IP address, indicate a path or
file on a server, or locate a particular position within
a specified document.
USB
Universal Serial Bus. An interface for devices such as
keyboards, joysticks, scanners, speakers, or printers,
that provides a maximum transfer speed of
12 Mb/second. Devices plug directly into a four-pin
connector on your computer or into a multiport hub
that connects to your computer. USB is hot-
swappable, and up to 127 devices can be connected
in daisy-chain manner.
UTP
Unshielded twisted pair. A common type of copper
wiring used for telephone systems and Ethernet
networks. To reduce electromagnetic induction
between pairs of wires, sometimes called "crosstalk,"
two insulated copper wires are wound around each
other to form a "twisted pair." See also STP.
V
Volt. A measurement of electric potential and
electromotive force. If one volt is applied to a
resistance of one ohm, a current of one ampere will
flow across the resistance.
VAC
Volt(s) alternating current (AC).
VDC
Volt(s) direct current (DC).
VRM
Voltage regulator module. A component installed on
the system board that senses the voltage
requirements for a microprocessor and ensures that
the correct voltage is maintained.
W
Watt. A measurement of electrical power that equals
1 ampere of current flowing at 1 volt.
WBEM
Web-Based Enterprise Management. A set of systems
management and Internet standard technologies
developed to unify the management of computing
environments. The core set of WBEM standards,
developed by DMTF, include a data model, the CIM
standard, a coding specification, and an http
transport mechanism.
WfM
Wired for management. A specification developed by
Intel to improve the manageability of desktop,
mobile, and server computers. WfM defines software,
hardware, and other capabilities that enhance
computer network operations and reduce support
costs by allowing remote management application
programs to access client computers over a network.
WfM technology is used in a client computer, in such
components as circuitry, power supply, network
adapter, and so on. Remote management application
programs can use WfM technology to access a client
computer and gather information about it, monitor
its status, or change its operational state. WfM
standards include DMI, PXE, and Remote Wake Up.
WfM is also compatible with current and emerging
industry specifications, such as ACPI, CIM,
SMBIOS, SNMP, and WBEM.
WOL
Wake-on LAN. Technology that allows a computer on
a network to be remotely turned on or awakened from
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sleep mode. WOL is a facet of WfM technology. See
also WOR, PME, and Remote Wake Up.
WOR
Wake-on Ring. Technology that allows a computer to
be remotely turned on or awakened from sleep mode
through a modem. See also WOL and PME.
ZIF
Zero insertion force. A type of socket or connector that
allows a computer chip to be installed or removed
with no stress applied to either the chip or its socket.
See LIF.
