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Compaq Deskpro 1000 Series of Personal Computers

5-7

5.8

System Board

1. Perform preparation procedures (Section 5.4).

2. Remove the system unit cover (Section 5.5).

3. Remove all expansion boards (Section 5.6).

4. Disconnect any cables plugged into the system board.

5. Remove the seven screws securing the system board to the chassis.

6. Pinch the two standoff tabs

to release the system board, lifting the board at the same time to

remove it from the standoffs.

7. Pull the board forward about one-half inch, then lift it up and out of the chassis.

Figure 5-7.

Removing the System Board

To replace the system board, reverse the previous procedure.

Содержание DESKPRO 1000

Страница 1: ...MAINTENANCE SERVICE GUIDE Compaq Deskpro 1000 Series of Personal Computers...

Страница 2: ...stered in the U S Patent and Trademark Office Microsoft MS DOS Windows Windows NT and other names of Microsoft products referenced herein are trademarks or registered trademarks of Microsoft Corporati...

Страница 3: ...wer On Self Test POST 2 1 2 1 1 POST Error Messages 2 1 2 2 CMOS Setup Utility 2 4 2 2 1 Preparing the Computer 2 5 2 2 2 Clearing the Password 2 5 2 3 Troubleshooting Without Diagnostics 2 5 2 3 1 Ch...

Страница 4: ...y 4 5 chapter 5 Removal and Replacement Procedures 5 1 Serial Number 5 1 5 2 Disassembly Assembly Sequence 5 2 5 3 Feet 5 3 5 4 Preparation for Disassembly 5 3 5 5 System Unit Cover 5 4 5 6 Expansion...

Страница 5: ...ant CMOS Settings 7 1 7 1 2 1 Standard CMOS Setup 7 1 7 1 2 2 BIOS Features Setup 7 2 7 1 3 Passwords 7 2 7 1 3 1 Establishing a Password 7 2 7 1 3 2 Entering a Password 7 2 7 1 3 3 Disabling a Passwo...

Страница 6: ...x B Power Cord Set Requirements General Requirements B 1 Country Specific Requirements B 2 appendix C Hard Drives Device 0 Device 1 Relationship C 1 Cable Select C 1 IntelliSafe SMART C 1 Automatic So...

Страница 7: ...bodily harm or loss of life Text set off in this manner presents clarifying information specific instructions commentary sidelights or other points of information The following format conventions dist...

Страница 8: ...e computer system you must provide at least 3 inches 7 62 cm of clearance on the front and back of the computer WARNING The computer is designed to be electrically grounded To ensure proper operation...

Страница 9: ...of Personal Computers 1 1 chapter 1 PRODUCT DESCRIPTION This chapter describes the model offerings and features of the Compaq Deskpro 1000 Series of Personal Computers Figure 1 1 Compaq Deskpro 1000 S...

Страница 10: ...uters is available in desktop configurations described in the following sections Table 1 1 Desktop Models Configuration Code Processor Hard Drive Memory Internal Cache Graphics BWF1 P55C 166 1 6 GB 16...

Страница 11: ...pin non parity 66 MHz EDO SIMMs or DIMMs standard but not both Base MB Maximum MB SIMM sockets 16 256 4 Memory DIMM 168 pin non parity 66 MHz SDRAM SIMMs or DIMMs standard but not both Base MB Maximum...

Страница 12: ...stem board is easily removed from the chassis after the cover is removed Details of the disassembly procedure are found in Chapter 5 Removal and Replacement Procedures A removable 3 5 inch drive cage...

Страница 13: ...LEDs Figure 1 2 Front Panel Controls and LEDs 1 Diskette Drive Activity Light Turns on when the diskette drive is reading or writing 2 Power On Light Turns on when the computer is turned on 3 Hard Dri...

Страница 14: ...1000 Desktop Computer 1 One 3 5 inch 1 44 MB diskette drive 2 One 3 5 inch third height drive bay for optional drive 3 One 3 5 inch third height drive bay for primary hard drive 4 One 5 25 inch half...

Страница 15: ...1 4 Rear Panel Connectors 1 Voltage Select Switch 115 V U S or 230 V to match geographical requirements 2 Power Cord Connection 3 Mouse Connector 4 Keyboard Connector 5 Universal Serial Bus USB Connec...

Страница 16: ...ect depends on the software application you are using 3 Alt Used in combination with another key Its effect depends on the software application you are using 4 Windows Application Key Used like the ri...

Страница 17: ...mory Adherence to the procedures and precautions described in this chapter is essential for proper service Some features may not be available on all models 2 1 Power On Self Test POST The POST procedu...

Страница 18: ...ay indicate that CMOS has become corrupt This error may have been caused by a weak battery Check the battery and replace if necessary CPU at nnnn Displays the running speed of the CPU None Display Swi...

Страница 19: ...memory error If this happens often the memory module may need to be replaced Primary Master Hard Disk Fail POST detects an error in the primary master IDE hard drive Ensure the controller is installe...

Страница 20: ...tility 1 Shut down the operating system 2 Turn the computer off then on 3 Press the Delete key when the message Press DEL to enter Setup appears on the lower right hand corner of the screen 4 Use the...

Страница 21: ...s 2 3 Troubleshooting Without Diagnostics This section describes some simple preliminary tests and guidelines for troubleshooting the computer without using diagnostics software Diagnostics software i...

Страница 22: ...mputer will not turn on Ensure that the computer is connected to a power source Cables to the external power source may be unplugged Ensure that cables connecting the computer and the external source...

Страница 23: ...e write protection on the diskette 3 Writing to the wrong drive Check the drive letter in the path statement 4 Not enough space is left on the diskette Use another diskette to write the information 5...

Страница 24: ...to 75 ohms with the sync set to External Refer to the documentation included with the monitor Monitor does not function properly when used with the energy saver features Monitor without the energy sav...

Страница 25: ...rs for the application 3 If the computer is on a network you may not have made the connection to the printer Make the proper network connections to the printer Printer will not turn on The cables may...

Страница 26: ...controller as the primary drive verify that the jumpers for both drives are set correctly Nonsystem disk message 1 The system is trying to start from a diskette that is not bootable Remove the disket...

Страница 27: ...e or the power cables are unplugged Check all cables 6 The power switch for the new external device is not turned on Turn off the computer turn on the external device and then turn the computer on to...

Страница 28: ...loaded CD ROM drive is not connected properly Open the computer and check to see that the drive cable is connected properly and the drive jumpers are set correctly Some features may not be available o...

Страница 29: ...ers 3 1 chapter 3 ILLUSTRATED PARTS CATALOG This chapter provides an illustrated parts breakdown and a reference for spare parts for the Compaq Deskpro 1000 Series of Personal Computers Figure 3 1 Com...

Страница 30: ...Tier 1 System unit cover 333833 001 A 2 Power supply 200W Includes fan 333818 001 A 3 Drive Cage 333838 001 A 4 LED holder reference only part of Miscellaneous Plastics kit 5 Base pan chassis assembl...

Страница 31: ...rsonal Computers 3 3 3 2 Mass Storage Devices Figure 3 3 Mass Storage Devices Table 3 2 Mass Storage Devices Description Spare Part Number Warranty Tier 1 3 5 inch 1 44 MB diskette drive 333817 001 A...

Страница 32: ...nty Tier Miscellaneous cable kit includes 333824 001 A 1 Cable diskette drive 2 Cable hard drive 3 Cables LED hard drive and power 4 Cable power APD 121259 001 A 4 Cable power EMEA 285810 001 A 4 Cabl...

Страница 33: ...ription Spare Part Number Warranty Tier 1 System board P55C 333814 001 A 2 EDO SIMM 8 MB 285734 001 A 3 SDRAM DIMM 16 MB 333820 001 A 4 Video upgrade memory 512 KB 333822 001 A 5 Video board 333821 00...

Страница 34: ...ovina Croatia Slovenia and Yugoslavia 333828 B41 A 3 Brazilian Portuguese 333828 201 A 4 Czech 333828 221 A 5 French 333828 051 A 6 Hungarian 333828 211 A 7 International 333828 B31 A 8 Korean Hanguel...

Страница 35: ...3 7 Miscellaneous Hardware Kit Table 3 6 Miscellaneous Hardware Kit Description Spare Part Number Warranty Tier Miscellaneous hardware kit Includes 333832 001 D 1 2 3 4 5 Slot Cover 2 each I O Panel M...

Страница 36: ...scellaneous Plastics Kit Table 3 7 Miscellaneous Plastics Kit Description Spare Part Number Warranty Tier Miscellaneous plastics kit includes 1 LED Holder 2 Card guide 3 System board standoff 2 each 4...

Страница 37: ...sink P55C 200 with thermal pad and captive clip replaces passive heat sink 333825 001 A 4 Power switch with spring LED holder and cable 333827 001 A 3 9 Shipping Boxes Table 3 9 Shipping Boxes Descri...

Страница 38: ...many integrated circuits provide some protection but in many cases the discharge contains enough power to alter device parameters or melt silicon junctions 4 1 1 Generating Static Table 4 1 shows how...

Страница 39: ...parts in their containers until they arrive at static free stations Place items on a grounded surface before removing them from their container Always be properly grounded when touching a sensitive c...

Страница 40: ...ce tools such as cutters screwdrivers and vacuums that are conductive Use a portable field service kit with a static dissipative vinyl pouch that folds out on a work mat Also use a wrist strap and a g...

Страница 41: ...resistance Material handling packages Conductive plastic bags Conductive plastic tubes Conductive tote boxes Opaque shielding bags Transparent metallized shielding bags Transparent shielding tubes 4 2...

Страница 42: ...t or snagged by parts being removed or replaced CAUTION When servicing this computer ensure that cables are placed in their proper location during the reassembly process Improper cable placement can d...

Страница 43: ...To facilitate reassembly of any part of the computer note the orientation of each cable connector and the routing of each cable before you disconnect it After completing all necessary removal and repl...

Страница 44: ...t Cover 5 6 Expansion Board 5 7 Expansion Board Guide 5 8 System Board 5 9 Graphics Memory 5 10 1 SIMM Module 5 10 2 DIMM Module 5 11 Power Supply 5 12 Microprocessor 5 13 Front Bezel 5 14 LED Retaine...

Страница 45: ...rip from the replacement feet before installation Figure 5 2 Installing the Feet 5 4 Preparation for Disassembly 1 Remove any diskette compact disc or tape from the computer 2 Turn off the computer an...

Страница 46: ...cover up then off the unit Figure 5 3 Removing the System Unit Cover To replace the cover reverse the previous procedure 5 6 Expansion Board The Compaq Deskpro 1000 Series of Personal Computers contai...

Страница 47: ...rform preparation procedures Section 5 4 2 Remove the system unit cover Section 5 5 3 Remove the screw securing the expansion board to the chassis 4 Pull the board out of the slot Figure 5 5 Removing...

Страница 48: ...e the system unit cover Section 5 5 3 Remove all expansion boards from the computer Section 5 6 4 Press in on the two plastic clips 1 on the right side of the guide The guide will pop out of the chass...

Страница 49: ...ny cables plugged into the system board 5 Remove the seven screws securing the system board to the chassis 6 Pinch the two standoff tabs 1 to release the system board lifting the board at the same tim...

Страница 50: ...ver Section 5 5 3 Remove the video graphics board and place on a protected surface Section 5 6 4 Install the two 512 KB memory upgrade modules making sure that the modules are firmly seated Video card...

Страница 51: ...Extended Data Output EDO or Fast Page Mode FPM modules installed in equally matched pairs for example two 8 MB modules two 16 MB modules or two 32 MB modules Two DIMM sockets that can be populated wit...

Страница 52: ...Memory Configuration Options Total System Memory MB SIMM 3 4 Bank 1 SIMM 1 2 Bank 0 DIMM 1 Bank 0 DIMM 2 Bank 1 8 4 4 8 16 4 4 4 4 8 8 8 8 16 32 8 8 8 8 16 16 16 16 32 64 16 16 16 16 32 32 32 32 64 12...

Страница 53: ...down into the socket ensuring that the module is fully inserted and properly seated Figure 5 10 Installing a SIMM Module 4 Rotate the module to an upright position allowing the latches to snap into pl...

Страница 54: ...Match the notch on the module with the tab on the memory socket 4 Push the module down into the socket ensuring that the module is fully inserted and properly seated 3 Figure 5 11 Installing a DIMM Mo...

Страница 55: ...isconnect the power cables from the drives 5 Remove four screws from the power supply on the rear of the chassis 6 Remove one screw securing the power supply to the inside of the chassis 7 Lift the po...

Страница 56: ...ng clip 1 by pressing down on the clip until it releases from the safety catch 4 Lift the heat sink 2 off the processor 5 Release the original processor 4 from the socket by pulling the handle 5 on th...

Страница 57: ...et 2 Push the handle on the ZIF socket back into place to secure the processor 3 Replace the heat sink and heat sink retaining clip Ensure that the new thermal pad 3 included in the spares kit is in p...

Страница 58: ...stem board 4 Release the heat sink retaining clips 2 from the tabs on the ZIF socket 5 Lift the heat sink 1 off the ZIF socket 6 Release the original processor from the socket by pulling the handle 6...

Страница 59: ...andle on the ZIF socket back into place to secure the processor 3 Replace the heat sink Ensure that the new thermal pad 4 included in the spares kit is in place before installing the heat sink 4 Inser...

Страница 60: ...lease latches 1 in and push the top of the bezel out and away from the chassis to release the bezel at those points 4 Slide the bezel up from the bottom of the chassis to separate it from the chassis...

Страница 61: ...over Section 5 5 3 Remove the front bezel assembly Section 5 13 4 From the outside of the chassis press the tab 1 on either side of the LED assembly to pop it out of the chassis then continue to slide...

Страница 62: ...retainer assembly from the chassis Section 5 14 7 From the front of the LED retainer assembly push each green LED toward the rear of the retainer assembly and slide each LED out of its socket 8 Disco...

Страница 63: ...ve the system unit cover Section 5 5 3 Remove the front bezel Section 5 13 4 From the rear of the front bezel depress the tabs on each side of the power button the button with its spring will come out...

Страница 64: ...over Section 5 5 3 Remove the front bezel Section 5 13 4 With the front bezel in an upright position press the tabs on the side of the bezel blank towards the center of the blank and push the bezel bl...

Страница 65: ...board contains a clock CMOS lithium battery The lithium battery may explode if mistreated Use only replacement batteries supplied by Compaq Computer Corporation 3 Press down on the retainer latch 1 an...

Страница 66: ...y refer to Appendix C Hard Drives 5 19 1 Drive Positions The Compaq Deskpro 1000 Series of Personal Computers supports up to five drives including 1 One external 3 5 inch third height diskette drive 2...

Страница 67: ...ect the cables attached to the 3 5 inch hard drive and diskette drive in the drive cage 4 Remove two screws from the top of the drive cage 5 Slide the drive cage to the rear about one inch allowing th...

Страница 68: ...assembly process Improper cable placement can damage the computer 1 Perform preparation procedures Section 5 4 2 Remove the system unit cover Section 5 5 3 Remove the drive cage Section 5 19 2 4 Remov...

Страница 69: ...mbly process Improper cable placement can damage the computer 1 Perform preparation procedures Section 5 4 2 Remove the system unit cover Section 5 5 3 Remove the front bezel Section 5 13 4 Remove the...

Страница 70: ...ting the system board jumpers are part of the reconfiguration process along with running the Computer Setup CMOS utility To change the system board jumpers you must remove the computer system unit cov...

Страница 71: ...sword 2 EP1 EP2 Flash EPROM Type Selection Allows you to configure the Flash EPROM chip 3 CLK1 CLK2 CLK3 CPU External Clock BUS Frequency Allows you to set the different CPU speed configurations 4 FRE...

Страница 72: ...uter 1 Turn off the computer and any external devices 2 Disconnect the power cord from the power outlet and any external devices from the computer 3 Remove the computer cover 4 Locate Jumper CPW Figur...

Страница 73: ...determine the EPROM manufacturer locate the Award Flash EPROM chip located near the external battery Lift the black on silver label the manufacturer s name is printed on the chip 6 1 3 CPU External Cl...

Страница 74: ...unreliable operation or processor damage Table 6 5 Pentium with MMX Technology System Board Jumper Settings CPU External CPU Clock Rate Speed MHz CPU CLK MHz CLK1 CLK2 CLK3 FREQ1 FREQ2 FREQ3 Pentium w...

Страница 75: ...GB IDE Hard Drive Jumper Settings The jumper settings for the 1 6 GB EIDE hard drive are shown below Figure 6 3 1 6 GB EIDE Hard Drive Jumper Settings Table 6 6 Seagate EIDE Hard Drive Jumper Settings...

Страница 76: ...r to exit the utility without saving any changes 7 1 1 1 Safeguarding CMOS Settings If you choose to change the default settings you will want to restore those settings if the CMOS is ever corrupted o...

Страница 77: ...option to be prompted for a password every time you start the computer or only when you enter the CMOS Setup Utility Select an option under the BIOS Feature Setup to be prompted for the Supervisor Pas...

Страница 78: ...ices from the computer 3 Remove the computer cover 4 Locate Jumper CPW Figure 7 1 Locating the Password Jumper on the System Board 5 Remove the jumper from the single pin and reinstall it over both pi...

Страница 79: ...containing the BIOS file and the Flash Utility in drive A and reboot the system in MS DOS Version 6 22 is preferred 3 At the A prompt type the Flash BIOS utility and the BIOS file with its extension F...

Страница 80: ...ange 7 3 3 Setting Graphics Resolution The quality of the picture you see depends on the resolution of the monitor and the number of colors that are displayed Although the setup utility automatically...

Страница 81: ...ght 10 40 kg 22 9 lb Power Supply Operating Voltage Range Rated Voltage Range Rated Line Frequency 180 264 VAC 200 240 VAC 50 60 Hz 90 132 VAC 100 120 VAC 50 60 Hz Rated Input Current maximum 3 A 6 A...

Страница 82: ...SA Bus IRQ 9 Free for PCI Use IRQ 10 Free for PCI Use IRQ 11 PCI Interrupt IRQ 12 Mouse IRQ 13 Coprocessor Not on ISA Bus IRQ 14 IDE Interface Hard Disk and Primary IDE Drive IRQ 15 CD ROM Secondary I...

Страница 83: ...r 170 17F Secondary IDE Controller 1F0 1FF Primary IDE Controller 200 Gameport only if you have a sound card installed 201 Gameport only if you have a sound card installed 278 27F Third Parallel Port...

Страница 84: ...pansion 510 MB 1FF00000h to 00100000h System Memory 64 K 000FFFFFh to 000F0000h System ROM 64 KB 000EFFFFh to 000E0000h Reserved 96 KB 000DFFFFh to 000C8000h Reserved 32 KB 000C7FFFh to 000C0000h Vide...

Страница 85: ...cm Size in High Density MB Low Density KB 8 9 3 5 1 44 720 Light Green Height One third Bytes per Sector 512 Sectors per Track High Density Low Density 18 9 Tracks per Side High Density Low Density 80...

Страница 86: ...Compaq Spare Part Number 333816 001 Drive Type 65 Transfer Rate Interface Mbytes sec 16 7 Typical Seek Time including settling Single Track ms Average ms Full Stroke ms 3 0 13 0 22 0 Disk Rotational...

Страница 87: ...0 C to 40 C 20 C to 60 C 32 F to 104 F 4 F to 140 F Lifetime Mechanical Switch Exceeds 483 km Exceeds 1 million operations Exceeds 300 miles Exceeds 1 million operations Relative Humidity 10 to 90 no...

Страница 88: ...ics Resolutions Table 8 10 Supported Graphics Resolutions S3 Trio64V2 DX Graphics Card Resolution 1 MB DRAM 2 MB DRAM 1280 1024 16 75 Hz 256 75 Hz 1024 768 256 85 Hz 64K 75 Hz 800 600 655K 85 Hz 16 7M...

Страница 89: ...ENTS This appendix contains the pin assignments for all external connectors Table A 1 Keyboard Connector Pin Signal KEY 6 5 4 3 2 1 1 2 3 4 5 6 Data Unused Ground 5 VDC Clock Unused Table A 2 Mouse Co...

Страница 90: ...ta Bit 0 Data Bit 1 Data Bit 2 Data Bit 3 Data Bit 4 Data Bit 5 Data Bit 6 Data Bit 7 Acknowledge Busy Paper End Select Auto Linefeed Error Initialize Printer Select IN Signal Ground Table A 4 Serial...

Страница 91: ...7 8 9 10 11 12 13 14 15 Red Analog Green Analog Blue Analog Monitor ID Bit2 Ground Ground Analog Ground Analog Ground Analog Not Connected Ground Monitor ID Bit 0 Bidirectional Data SDA Horizontal Sy...

Страница 92: ...4 D08 29 DAK 5 D06 30 GND 6 D09 31 IRQ 7 D05 32 IO16 8 D10 33 A1 9 D04 34 PDIAG 10 D11 35 A0 11 D03 36 A2 12 D12 37 CS1FX 13 D02 38 CS3FX 14 D13 39 DASP 15 D01 40 GND 16 D14 41 AUDIO_R 17 D00 42 AUDIO...

Страница 93: ...our authorized Compaq dealer reseller or service provider General Requirements The requirements listed below are applicable to all countries 1 The length of the power cord set must be at least 1 8 m 6...

Страница 94: ...ord set fittings appliance coupler and wall plug must bear the certification mark of the agency responsible for evaluation in the country where it will be used 2 The flexible cord must be Type SJT or...

Страница 95: ...D ROM drive must be installed in the device 1 position if a hard drive is installed on the same cable Ensure that both drives are set for cable select configuration See Chapter 6 for more information...

Страница 96: ...Soft Drive Type Assignments Drive Hard Drive Type Controller 0 65 Primary 1 66 Primary 0 68 Secondary 1 15 Secondary For hard drives that are greater than 528 MB the system automatically translates th...

Страница 97: ...rnal Clock Frequency Settings 6 4 Ctrl key 1 8 D design overview 1 4 device 0 device 1 relationship C 1 diagnostics running 2 5 DIMM installing 5 12 disassembly assembly sequence 5 2 diskette drive ej...

Страница 98: ...3 disabling 7 2 entering 7 2 establishing 7 2 supervisor 7 2 user 7 2 pin assignments CD ROM cable A 4 keyboard connector A 1 mouse connector A 1 parallel interface connector A 2 serial interface A 2...

Страница 99: ...d 7 2 supported resolutions 7 5 switch settings 6 5 symbols vii system design 1 4 serial number viii system board jumpers 6 1 CLK 6 4 CPW 6 3 EP 6 4 locating 6 2 SRAM 6 5 system memory configuration 5...

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