Hp Compaq Dc7800 Ultra Slim Desktop Pc Service And Maintain
2015-01-05
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Illustrated Parts & Service Map HP Compaq dc7800 Ultra Slim Desktop Business PC © 2007 Hewlett-Packard Development Company, L.P. The information contained 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 459787-001. 1st Edition September 2007. Cable and accessory 1 Optical drive cable/connector 451393-001 2 Cable cover 451397-001 Keyboards (not illustrated) PS/2, Basic USB, Basic USB SmartCard Key Specifications Processor Type Intel Core 2 Duo, Pentium dual-core, Celeron RAM Type DDR2-SODIMMs, PC2 6400 (800 MHz) non-ECC Maximum RAM Supported 4 GB Expansion Slots PCI Express Mini Card Graphics Adapter Intel GMA 3100 integrated Drive Support • • I/O Interfaces 1 SATA mobile 2.5-inch 1 PATA Slimline optical USB 2.0 (8), RJ-45 (1), front and rear audio jacks (2 each), PS/2 ports (2), VGA/DVI-D connector, USB header on system board 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 Spare Parts Mass Storage Devices (not illustrated) 16X DVD±RW and CD-RW drive with LightScribe 417182-001 16X DVD-ROM drive 417185-001 24X CD-RW/DVD-ROM combo drive 417184-001 160 GB, 7200 RPM SATA hard drive, 8-MB cache 456574-001 80 GB, 7200 RPM SATA hard drive, 8-MB cache 456573-001 80 GB, 5400 RPM SATA hard drive, 8-MB cache 449981-001 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 System Unit 1 Front bezel 451388-001 2 Access panel 451387-001 3 Chassis not spared 4 Stand 451396-001 5 Bezel blank 451394-001 6 AC adapter, 135W 437796-001 * Not shown dc7800 Illustrated Parts & Service Map, USDT Chassis 459787-001 page 1 Miscellaneous Parts Standard and Optional Boards Memory modules (SODIMM) 1 Hard drive bracket 2 Optical drive bracket 451389-001 451390-001 1 2 GB, PC2-6400 CL6 451400-001 3 Front I/O panel bracket 451391-001 1 1 GB, PC2-6400 CL6 451398-001 4 Fansink with alcohol pad and factory-applied thermal grease 451395-001 1 512 GB, PC2-6400 CL6 451399-001 5 Fan duct 451392-001 1 2 GB, PC2-5300 445936-001 6 Chassis fan 451385-001 1 1 GB, PC2-5300 445935-001 * Mouse, PS2, optical 417966-001 1 512 GB, PC2-5300 445934-001 * Mouse, optical 390938-001 * Battery, real-time clock 153099-001 Wireless cards (include card, antenna, cable, and screw) 2 WLAN adapter kit for use in the United States 455756-001 * Internal speaker 447085-001 * WLAN adapter kit for use in the rest of the world 455756-002 * Rubber feet, snap in 451386-001 * WLAN adapter kit for use in Japan 455756-291 * Hood sensor 394064-001 System boards with thermal grease, alcohol pad, and CPU socket cover *Not shown 3 System board 437794-001 * System board, excludes ES/CS 451384-001 Intel Celeron Processors with alcohol pad and thermal grease * 440, 512-KB cache, 2.0 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, 2.0 GHz 457656-001 * E2160, 1-MB cache, 1.8 GHz 457622-001 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, 2.2 GHz 449452-001 * E4400, 2-MB cache, 2.00 GHz 449451-001 Misc boards * ReadyBoost module, 1 GB 455971-001 * Not shown dc7800 Illustrated Parts & Service Map, USDT Chassis 459787-001 page 2 System Board Computer Setup Menu (Continued) Heading Option / Description 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 requirement 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, network 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. System Board Connectors and Jumpers (position of some untitled components may vary in location) E49 Password P125 J10 Quad stacked USB P150 J68 Stacked keyboard/mouse connector P21 Secondary IDE connector J69 Video connector Internal speaker 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. Hood sensor Media reader/ReadyBoost connector P6 J70 Primary single USB port P60 SATA0 J71 Secondary single USB port P8 CPU fan J72 Microphone jack P9 Chassis fan J75 Headphone jack SW50 Clear CMOS J78 Double stacked line-out/line-in SW1 System front power button J100 DVI connector XBT1 Real-time-clock battery J103 DC power input XMM1 DIMM 1 J105 PCIe Mini Card XMM3 DIMM 3 J9 Stacked RJ-45/Dual USB XU1 Processor 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 System Setup and Boot Execute Memory Test (some models) -Restarts computer and executes POST memory test. 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. 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. Computer Setup Menu PCI Devices - Lists installed PCI devices with their IRQ settings and allows you to reconfigure IRQ or disable devices. Heading PCI VGA Configuration - Allows you to specify which VGA controller will be used when multiple video adapters are available. File Option/Description System Information - Lists the following main system specifications: • • • • Product name SKU number (some models) Processor type/speed/stepping Cache Size (L1/L2) • • • • • Bus Options (some models) - Allows you to enable/disable PCI SERR# Generation and PCI VGA palette snooping. Memory size/speed/ no. channels Integrated MAC Address System BIOS Chassis serial number Asset tracking number 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 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 System Hardware Interrupts IRQ System Function IRQ 0 Timer Interrupt 8 Real-Time Clock 1 Keyboard 9 Unused Save Changes and Exit - Saves changes to system configuration or default settings and exits Computer Setup. 2 Interrupt Controller Cascade 10 Unused, available for PCI 3 Serial Port (COM B) 11 Unused, available for PCI 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, CDROM drive, and ATAPI LS-120 drive • Multisector Transfers • Translation Mode • Translation Parameters • SATA Default Values 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 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. Storage System Function Storage Options • Removable Media Boot • Legacy Diskette Write 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 dc7800 Illustrated Parts & Service Map, USDT Chassis 459787-001 page 3 Failsafe Boot Block ROM Error Conditions and Messages 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. Feature Purpose 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 1. Remove any bootable media from the computer and turn off power. BIOS Write Protect Restricts ability to change ROM BIOS without approval. Setup Utilities. 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. USB Controller Allows you to disable or enable all USB devices. Setup Utilities 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 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. How It Is Established Diagnostic LEDs 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. LED Color LED Activity State/Message Power Green On Computer on Power Green 1 blink every 2 seconds Normal Suspend Mode Password Security Power Red 1 blink every second followed by a 2 second pause CPU thermal shutdown Establishing a Setup password: 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) OR on USDT the wrong external power supply is being used. 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 To change the Setup password, go to step 2. To change the Power-on password, go to step 3. Power Red 8 blinks, 1 blink every second followed by a 2 second pause Invalid ROM based on Checksum 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. 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 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. 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. Common POST Error Messages Deleting a password Screen Message Probable Cause Recommended Action 1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart. 101-Option ROM Error 1. System ROM checksum error. 1. Verify ROM, reflash if required 2. Expansion board option ROM checksum 3. Clear CMOS memory, reboot 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/ 3. System board 103-System Board Failure DMA, timers 164-Memory Size Error and 201-Memory Error Incorrect memory configuration NOTE: For more information about Setup Utilities refer to the Computer Setup Menu on the previous page or in the Service Reference Guide. 2. Check DIMMs for proper seating, type, and HP compatibility. 4. Replace system board. Diagnostic functions are provided by the Setup Utility (in system ROM) and by Insight Diagnostics. 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 procedure: 214-DIMM Configuration Warning Populated DIMM configura- Rearrange the DIMMs so that tion is not optimized 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 problem. 501-Display Adapter Failure Graphics display controller. 1. Reseat graphics card. 2. Clear CMOS. 3. Check monitor connection. 1. Go to www.hp.com 4. Replace graphics card. 2. Click the Software & Download driver link. 3. Enter the product number (for example, dc7800) in the text box and press the Enter key. 1720-SMART Hard Drive Detects Imminent Failure Hard drive is about to fail. 4. Select the specific product. 5. Select the OS. 6. Click the Diagnostics link. 7. Select HP Insight Diagnostics Offline Edition. 1. Determine if hard drive is giving correct error message. Enter Computer Setup and run the Drive Protection System test under Storage > DPS Selftest. 2. Apply hard drive firmware patch if applicable. 8. Select the proper language and click Download. 3. Back up contents and replace hard drive. 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. 1796-SATA Cabling Error One or more SATA devices are improperly attached. For optimal performance, the SATA 0 and SATA 1 connectors 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 1. Upgrade BIOS to proper version. 4. Replace the chassis access panel and reconnect the power cord. Processor not supported by ROM BIOS. 2. Change the processor. 5. Turn on the computer and allow it to start. dc7800 Illustrated Parts & Service Map, USDT Chassis 1. Run Setup (F10). 3. Remove DIMMs singularly and reboot to isolate faulty DIMM. Diagnostic Functions 3. On the system board, press and hold the CMOS button for 5 seconds. 1. Clear CMOS memory. 3. Replace system board. Security Features 2. Remove the chassis access panel. 4. Replace system board 2. Remove expansion boards. 4. Press Enter. • • • • • 2. Remove suspected card, reboot 459787-001 page 4
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