HP Dc7800 SFF IPSM Illustrated Parts & Service Map Compaq Small Form Factor Business PC C01155699

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User Manual: HP Illustrated Parts & Service Map - HP Compaq dc7800 Small Form Factor Business PC

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dc7800 Illustrated Parts & Service Map, SFF Chassis 459786-001 page 1
Illustrated Parts & Service Map
HP Compaq dc7800 Small Form Factor
Business PC
© 2007 Hewlett-Packard Development Company, L.P. The information con-
tained herein is subject to change without notice. HP shall not be liable for
technical or editorial errors or omissions contained herein. Intel, Pentium,
Intel Inside, and the Intel logo are trademarks or registered trademarks of the
Intel Corporation and its subsidiaries in the U. S. and other countries.
Document Number 459786-001. 1st Edition September 2007.
Key Specifications
Spare Parts
Processor Type Intel Core 2 Duo, Core 2 Quad, Pentium dual-core, Celeron
RAM Type DDR2-SDRAM DIMMs, PC2-5300 (667 MHz) non-ECC or
PC2-6400 (800 MHz) non-ECC
Maximum RAM Supported 8 GB
Expansion Slots • 1 PCIe-x16
•2 PCIe-x1
• 1 PCI (low profile)
Graphics Adapter Intel GMA 3100 integrated
Drive Support • 2 SATA HDD
• 1 SATA Optical
• RAID 1 Support
• FDD, Media Card Reader, Removable HDD
I/O Interfaces Serial (2, 1 optional), parallel (1), USB 2.0 (8), RJ-45 (1), front
and rear audio jacks (2 each), PS/2 ports (2), VGA connector
(1), USB header on system board
System Unit
1 Front bezel 451148-001
2 Access panel 451141-001
3 Chassis not spared
4 Power supply, 240W 437797-001
* Power supply, 240W, 80% efficient 437798-001
* Bezel blank, 5.25-inch 335937-001
5 Bezel blank, diskette drive 451151-001
6 Tower stand bracket 451150-001
* Not shown
Cables
1 SATA HDD cable, 19 inch, 2 straight ends 391739-001
2 Front I/O with USB and audio cables 451143-001
3 Serial port cable assembly, 6-inch cable 453052-001
4 SATA ODD cable, 24 inch, 1 straight, 1 angled end 435263-001
5 Power/LED cable 435261-001
6 Diskette drive cable, 6 inch 454246-001
* 17.7-inch SATA cable, 1 straight end, 1 angled end 453317-001
*Not shown
Keyboards (not illustrated)
PS/2, Basic
USB, Basic
USB SmartCard
435302-xxx
435382-xxx
435385-xxx
Arabic -171 Korean (Hangul)
-KD1
Belgian -181 LA Spanish -161
BHCSY -B41 Norwegian -091
Brazilian Portuguese -201 PRC
-AA1
Czech -221 Portuguese -131
Danish -081 Romanian* -271
Finnish -351 Russian -251
French -051 Slovakian -231
French Arabic -DE1 Spanish -071
French Canadian -121 Swedish -101
German -041 Swiss -111
Greek -151 Taiwanese -AB1
Hebrew -BB1 Thai -281
Hungarian -211 Turkish -141
International -B31 U.S. -001
Italian -061 U.K. -031
Japanese -291
*Not for 435385-xxx
Mass Storage Devices (not illustrated)
Diskette drive with bezel 431452-001
Media card reader, 3.5-inch 407187-001
Media card reader, 5.25-inch 412838-001
16X SATA DVD±RW and CD-RW drive with LightScribe 447310-001
16X SATA DVD-ROM drive 419496-001
48X CD-RW/DVD-ROM combo drive 419497-001
250 GB, 7200-RPM SATA hard drive, 8-MB cache 449980-001
160 GB, 7200-RPM SATA hard drive, 8-MB cache 449979-001
160 GB, 10000-RPM SATA hard drive, 16-MB cache 439995-001
80 GB, 7200-RPM SATA hard drive, 8-MB cache 449978-001
80 GB, 10000-RPM SATA hard drive, 16-MB cache 439994-001
dc7800 Illustrated Parts & Service Map, SFF Chassis 459786-001 page 2
Standard and Optional Boards
Memory modules
1 512 MB, PC2-5300, CL5 396520-001
1 1 GB, PC2-5300, CL5 398038-001
1 2 GB, PC2-5300, CL5 450367-001
1 512 MB, PC2-6400, CL6 418952-001
1 1 GB, PC2-6400, CL6 418951-001
Other boards
2 Belkin 802.11a/g WLAN adapter for use in the United States and most of
the world
391866-002
* Belkin 802.11a/g, WLAN adapter for use in the rest of the world 391866-001
*nVidia GeForce 8440 GS 256-MB video card with dual-link DVI-I and
TV (S-Video) outputs. LP
445743-001
* nVidia GeForce 8440 GS 256-MB video card with DMS59 and TV (S-
Video) outputs. LP
445744-001
* DVI-D ADD2 graphics 398333-001
* 1394 card 2 external, 1 internal port, FH 393308-001
* 1394 card 2 external, 1 internal port, LP 393307-001
* 802.11a/b/g, WLAN PCI card, international, LP 356296-B35
* HP dual-band wireless antenna PCI Adapter, LP 435269-001
* Intel, Gigabit NIC 398754-001
* Broadcom 5751 NetXtreme Gigabit Ethernet Controller, LP 435268-001
* Broadcom 5751 NetXtreme Gigabit Ethernet Controller, FH 430654-001
* Agere International 56K Modem 398661-001
* ReadyBoost module, 1 GB 455971-001
System Boards with thermal grease, alcohol pad, and CPU socket cover
3 System board 437793-001
* System board, excludes ES/CS 451139-001
Intel Celeron Processors with alcohol pad and thermal grease
* 440, 512K cache, 2.00 GHz 449166-001
* 430, 512-KB cache, 1.8 GHz 449165-001
* 420, 512-KB cache, 1.8 GHz 449164-001
Intel Pentium Dual Core Processors with alcohol pad and thermal grease
* E2180, 1-MB cache, 2.00 GHz 457656-001
* E2160, 1-MB cache, 1.80 GHz 457622-001
Intel Core 2 Quad Processor with alcohol pad and thermal grease
* Q6700, 8-MB cache, 2.66 GHz 455402-001
* Q6600, 8-MB cache, 2.40 GHz 452451-001
Intel Core 2 Duo Processors with alcohol pad and thermal grease
* E6850, 4-MB cache, 3.00 GHz 450792-001
* E6750, 4-MB cache, 2.66 GHz 450791-001
* E6550, 4-MB cache, 2.33 GHz 450694-001
* E4500, 2-MB cache, 2.20 GHz 449452-001
* E4400, 2-MB cache, 2.00 GHz 449451-001
* Not shown
LP = Low profile
FH = Full height
Miscellaneous Parts
1 Chassis fan 451144-001
2 Fan duct 451145-001
3 Fansink with alcohol pad and factory-applied thermal grease 453053-001
4 Backwall, LP, includes riser card assy 440498-001
5 Backwall, FH 451140-001
* Solenoid lock 451149-001
* Heatsink retention plate 453318-001
* Power switch/LED holder 370857-001
* Mouse, PS2, optical 417966-001
* Mouse, scroll 390937-001
* Mouse, optical 390938-001
* Battery, real-time clock 153099-001
* Internal speaker 394779-001
* Second serial port, LP 393601-001
* Second serial port, FH 392414-001
* Modem cable 198220-001
*Not shown
LP = Low profile
FH = Full height
Modem RJ-11 adapters (not illustrated)
Austrian 417561-011 Italian 316904-065
Belgian 316904-181 Netherlands 316920-335
Czechoslovakian 234963-221 Polish 316904-241
French 316904-051 Saudi Arabian 316904-AR1
German 316904-045 Scandinavian 382848-DH1
Greek 316904-151 Swiss 417562-111
Hungarian 234963-215 Turkish 316904-141
Israel 316904-BB1 United Kingdom 158593-035
dc7800 Illustrated Parts & Service Map, SFF Chassis 459786-001 page 3
System Board
System Setup and Boot
Basic system information regarding system information, setup, power management, hardware,
and passwords is maintained in the Setup Utility held in the system ROM. The Setup Utility is
accessed by pressing the F10 key when prompted (on screen) to do so during the boot sequence.
If the screen prompt opportunity is missed, a restart will be necessary.
System Board Connectors and Jumpers (position of some untitled
components may vary in location)
E49 Password P24 Front USB
J9 Stacked RJ-45/Dual USB P3 CPU power
J10 Quad stacked USB P5 Power button/LED
J20 PCI slot 1 P52 Second serial port
J21 PCI slot 2 P54 First serial port
J31 PCIe X1, slot 1 P6 Internal speaker
J32 PCIe X1, slot 2 P60 SATA0
J41 PCIE X16 P61 SATA1
J50 Parallel port P62 SATA4
J66 Keyboard connector P8 CPU fan
J67 Mouse connector P9 Chassis fan
J69 Video connector SW50 Clear CMOS
J78 Double stacked line-out/line-in XBT1 Real-time-clock battery
P1 Main power XMM1 DIMM 1
P10 Diskette drive XMM2 DIMM 2
P124 Hood lock XMM3 DIMM 3
P125 Hood sensor XMM4 DIMM 4
P150 Media reader/ReadyBoost connector XU1 Processor
P23 Front audio
Computer Setup Menu
Heading Option/Description
File System Information - Lists the following main system specifications:
• Product name
• SKU number (some models)
• Processor type/speed/stepping
• Cache Size (L1/L2)
• Memory size/speed/ no. channels
• Integrated MAC Address
• System BIOS
• Chassis serial number
• Asset tracking number
About - Displays copyright notice.
Set Time and Date - Allows you to set system time and date.
Flash System ROM - Allows you to select a drive containing a new BIOS.
Replicated Setup - Save to Removable Media and Restore from Removable
Media
Default Setup
• Save Current Settings as Default
• Restore Factory Settings as Default
Apply Defaults and Exit - Applies the selected default settings and clears
any established passwords.
Ignore Changes and Exit - Exits Computer setup without applying or saving
any changes.
Save Changes and Exit - Saves changes to system configuration or default
settings and exits Computer Setup.
Storage Device Configuration - Lists all installed BIOS-controlled storage devices.
The following options are available:
• Diskette Type(Legacy Diskettes only)-3.5” 1.44 MB and 5.25” 1.2 MB
• Drive Emulation
• Emulation Type - ATAPI Zip drive, hard disk, legacy diskette, CD-ROM
drive, and ATAPI LS-120 drive
• Multisector Transfers
• Translation Mode
• Translation Parameters
• SATA Default Values
Computer Setup Menu (Continued)
Heading Option / Description
Storage (cont) Storage Options
• Removable Media Boot
• Legacy Diskette Write
• SATA Emulation
DPS Self-Test - Allows you to execute self-tests on ATA hard drives.
Boot Order - Allows you to specify boot order.
• Shortcut to Temporarily Override Boot Order
Security Setup Password - Allows you to set and enable the setup (Administrator)
password.
Power-On Password - Allows you to set and enable power-on password.
Password Options - When any password exists allows you to lock legacy
resources, enable/disable network server mode, specify password require-
ment for warm boot, and allows you to enable/disable Setup Browse Mode.
Smart Cover (some models) - Allows you to lock/unlock cover lock and set
status of cover removal sensor.
Device Security (some models) - Enables/disables all I/O ports, audio, net-
work controllers, SMBus controller, and embedded security devices.
Network Service Boot - Enables/disables boot from OS on a server.
System IDs - Allows you to set Asset tag, ownership tag, Chassis serial
number, UUID, and keyboard locale setting.
DriveLock Security - Allows you to assign/modify a hard drive password
for added security.
System Security (some models) - Allows you to enable/disable:
• Data Execution Prevention
• Virtualization Technology
• Virtualization Technology Directed I/O
• Trusted Execution Technology
• Embedded Security Device Support
• OS management of Embedded Security Device through OS
• Virtual Appliance options
• Smart Card BIOS Password Support
Setup Security Level - Provides method to allow users limited access to
change specified setup options without knowing Setup password.
Power OS Power Management - Allows you to enable/disable Runtime Power
Management, Idle Power Savings, ACPI S3 Hard Disk Reset, ACPI S3 PS2
Mouse Wakeup, USB Wake on Device Insertion (some models), Unique
Sleep State Blink Rates.
Hardware Power Management - Allows you to enable/disable SATA bus
power management.
Thermal - Allows you to control minimum permitted fan idle speed.
Advanced Power-On Options - Allows you to set:
• POST mode - QuickBoot, FullBoot, or FullBoot every 1-30 days.
• POST messages - Enable/disable
• MEBx Setup prompt - Enable/disable or hidden/displayed
• F9 prompt - Enable/disable
• F10 prompt - Enable/disable
• F12 prompt - Enable/disable
• Factory Recovery Boot Support - Enable/disable
• Option ROM prompt - Enable/disable
• WOL After Power Loss - Enable/disable
• Remote wakeup boot source - Remote server/local hard drive
• After Power Loss - Off/on/previous state
• POST delay - None, 5, 10, 15, or 20 seconds
• Limit CPUID
Execute Memory Test (some models) -Restarts computer and executes
POST memory test.
BIOS Power-On - Allows you to set the computer to turn on at a preset time.
Onboard Devices - Allows you to set resources or disable onboard system
devices.
PCI Devices - Lists installed PCI devices with their IRQ settings and allows
you to reconfigure IRQ or disable devices.
PCI VGA Configuration - Allows you to specify which VGA controller will
be used when multiple video adapters are available.
Bus Options (some models) - Allows you to enable/disable PCI SERR#
Generation and PCI VGA palette snooping.
Device Options - Allows you to set:
• Printer Mode - Bi-Directional, EPP & ECP, Output Only
• Num Lock state at power-on - off/on
• S5 Wake on LAN - enable/disable
• Processor cache - enable/disable
• Integrated video - enable/disable
• Multi-Processor - enable/disable
• Internal speaker - enable/disable
• Monitor Tracking - enable/disable
• NIC PXE Option ROM Download - enable/disable
System Hardware Interrupts
IRQ System Function IRQ System Function
0 Timer Interrupt 8 Real-Time Clock
1 Keyboard 9 Unused
2 Interrupt Controller Cascade 10 Unused, available for PCI
3 Serial Port (COM B) 11 Unused, available for PCI
4 Serial Port (COM A) 12 Mouse
5 Unused, available for PCI 13 Coprocessor
6 Diskette Drive 14 Primary ATA (IDE) Controller
7 Parallel Port (LPT 1) 15 Secondary ATA (IDE) Controller
dc7800 Illustrated Parts & Service Map, SFF Chassis 459786-001 page 4
Failsafe Boot Block ROM
The computer comes with a reprogrammable flash system ROM (read only memory). To
upgrade the ROM, download the latest ROM BIOS image from the HP Web site (www.hp.com)
and follow the online GUI/instructions.
Your system ROM includes a Failsafe Boot Block that is protected during the flash process and
allows the computer to be restarted in the unlikely event of an unsuccessful ROM flash.
If the system detects an invalid system ROM during the boot sequence, the Failsafe Boot Block
attempts to locate a valid BIOS image on removable media. To recover from the Boot Block
recovery mode complete the following steps:
Boot Block Recovery
1. Remove any bootable media from the computer and turn off power.
2. Insert a flash drive or CD containing the ROM BIOS in the root directory. The media must be
formatted using the FAT12, FAT16, or FAT32 file system.
3. Turn on power to the system.
4. The system will automatically flash the ROM. After a successful flash, the system will either
automatically restart or prompt the user to unplug the unit, wait 5 seconds, reattach the power
cord, and then press the power button.
NOTE: BitLocker prevents Windows Vista from booting when a CD containing the BIOS image
file is in an optical drive. If BitLocker is enabled, remove this CD before attempting to boot to
Windows Vista.
Password Security
Establishing a Setup password:
1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart.
2. As soon as the computer is turned on, press F10 when the monitor light turns green to enter
Computer Setup. Press Enter to bypass the title screen, if necessary. If you do not press F10
when prompted, a restart will be necessary.
3. Select Security > Setup Password and follow the instructions on the screen.
4. Before exiting, click File > Save Changes and Exit.
Changing a password:
1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart.
To change the Setup password, go to step 2.
To change the Power-on password, go to step 3.
2. To change the Setup password, as soon as the computer is turned on, press F10 when the
monitor light turns green to enter Computer Setup. Press Enter to bypass the title screen, if
necessary.
3. When the key icon appears, type your current password, a slash (/) or alternate delimiter
character, your new password, another slash (/) or alternate delimiter character, and your new
password again as shown:
current password/new password/new password.
NOTE: Type the new password carefully since the characters do not appear on the screen.
4. Press Enter.
The new password will take effect the next time the computer is restarted.
Deleting a password
1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart.
To delete the Setup password, go to step 2.
To delete the Power-On password, go to step 3.
2. To change the Setup password, as soon as the computer is turned on, press F10 when the
monitor light turns green to enter Computer Setup. Press Enter to bypass the title screen, if
necessary.
3. When the key icon appears, type your current password followed by a slash (/) or alternate
delimiter character as shown. Example: currentpassword/
4. Press Enter.
Security Features
NOTE: For more information about Setup Utilities refer to the Computer Setup Menu on the
previous page or in the Service Reference Guide.
Diagnostic Functions
Diagnostic functions are provided by the Setup Utility (in system ROM) and by Insight Diag-
nostics. Insight Diagnostics provides detailed system information including:
• Processor type and speed
• Memory amount, mapping, and integrity
• Hardware peripheral availability/settings
• Hard drive type, space used/available
• System identification, asset tracking
Insight Diagnostics may be found on the Documentation and Diagnostics CD that shipped with
the computer. The tool may also be downloaded from the hp Web site using the following pro-
cedure:
1. Go to www.hp.com
2. Click the Software & Download driver link.
3. Enter the product number (for example, dc7800) in the text box and press the Enter key.
4. Select the specific product.
5. Select the OS.
6. Click the Diagnostics link.
7. Select HP Insight Diagnostics Offline Edition.
8. Select the proper language and click Download.
NOTE: The download includes instructions on how to create a bootable CD.
Clearing CMOS
1. Turn off the computer and any external devices, and disconnect the power cord from the
power outlet.
2. Remove the chassis access panel.
3. On the system board, press and hold the CMOS button for 5 seconds.
4. Replace the chassis access panel and reconnect the power cord.
Error Conditions and Messages
Feature Purpose
How It Is
Established
Floppy drive controller Prevents the transfer of data to or from the
floppy drive.
Setup Utilities
Device Boot Disabling Prevents booting from and or all of these
devices: Internal or external USB, Internal
ODD, or Internal FDD
Setup Utilities
Security Option Prevents use of computer until password is
entered. Can apply to both initial startup and
restart.
Setup Utilities
BIOS Write Protect Restricts ability to change ROM BIOS with-
out approval.
Setup Utilities.
USB Controller Allows you to disable or enable all USB
devices.
Setup Utilities
Diagnostic LEDs
LED Color LED Activity State/Message
Power Green On Computer on
Power Green 1 blink every 2 seconds Normal Suspend Mode
Power Red 1 blink every second followed
by a 2 second pause
CPU thermal shutdown
Power Red 3 blinks, 1 blink every second
followed by a 2 second pause
Processor not installed
Power Red 4 blinks, 1 blink every second
followed by a 2 second pause
Power failure (power supply overload)
Power Red 5 blinks, 1 blink every second
followed by a 2 second pause
Pre-video memory error
Power Red 6 blinks, 1 blink every second
followed by a 2 second pause
Pre-video graphics error
Power Red 7 blinks, 1 blink every second
followed by a 2 second pause
System board failure (ROM
Power Red 8 blinks, 1 blink every second
followed by a 2 second pause
Invalid ROM based on Checksum
Power Red 9 blinks, 1 blink every second
followed by a 2 second pause
System powers on but is unable to boot
Power Red 10 blinks, 1 blink every second
followed by a 2 second pause
Bad option card
Power Red 11 blinks, 1 blink every second
followed by a 2 second pause
The current processor does not support
a feature previously enabled on this
system.
none none System does not power on and
LEDs are not flashing
System unable to power on
Common POST Error Messages
Screen Message Probable Cause Recommended Action
101-Option ROM Error 1. System ROM checksum
error.
2. Expansion board option
ROM checksum
3. System board
1. Verify ROM, reflash if required
2. Remove suspected card, reboot
3. Clear CMOS memory, reboot
4. Replace system board
103-System Board
Failure
DMA, timers 1. Clear CMOS memory.
2. Remove expansion boards.
3. Replace system board.
164-Memory Size Error
and
201-Memory Error
Incorrect memory configu-
ration
1. Run Setup (F10).
2. Check DIMMs for proper
seating, type, and HP
compatibility.
3. Remove DIMMs singularly and
reboot to isolate faulty DIMM.
4. Replace system board.
214-DIMM Configura-
tion Warning
Populated DIMM configura-
tion is not optimized
Rearrange the DIMMs so that
each channel has the same amount
of memory.
301-, 304-Keyboard error Keyboard failure. Check keyboard connection or
keys. Check connector for bent of
missing pins. Replace keyboard. If
304, possible system board prob-
lem.
501-Display Adapter
Failure
Graphics display controller. 1. Reseat graphics card.
2. Clear CMOS.
3. Check monitor connection.
4. Replace graphics card.
1720-SMART Hard Drive
Detects Imminent Failure
Hard drive is about to fail. 1. Determine if hard drive is
giving correct error message.
Enter Computer Setup and run
the Drive Protection System
test under Storage > DPS Self-
test.
2. Apply hard drive firmware
patch if applicable.
3. Back up contents and replace
hard drive.
1796-SATA Cabling Error One or more SATA devices
are improperly attached. For
optimal performance, the
SATA 0 and SATA 1 con-
nectors must be used before
SATA 2 and SATA 3.
Ensure SATA connectors are used
in ascending order. For one
device, use SATA 0. For two
devices, use SATA 0 and SATA 1.
For three devices, use SATA 0,
SATA1, and SATA 2.
1801-Microcode Patch
Error
Processor not supported by
ROM BIOS.
1. Upgrade BIOS to proper
version.
2. Change the processor.

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