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Compaq 1000 Personal Computer User Manual

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1. cesceeseeeeeeeeeteeeee 6 5 6 1 5 Jumper Settings iii iio ide hae ae 6 5 6 1 6 Cl arins CONSUMO a 6 5 6 1 7 Changing the Real Time Clock RTC Battery oooonoonocnnononnnoncnnconccnnnononononacnnonaconconnos 6 5 6 2 Hard Divendres ie Ri Mid ave Minh ig le Biel alee naan 6 6 6 2 1 1 6 GB IDE Hard Drive Jumper Settings cooncnconnnnoccnnnononononnnancnnnnonononanonnncnncnnccnno 6 6 chapter 7 Utilities TLCMOS Setup Ud da 7 1 7 1 1 Using the CMOS Setup Utility niieoee aaaeeeaeo e nanesie as 7 1 7 1 1 1 Safeguarding CMOS Settings ccooooocconoccconcononanonnconannncononononacnncnnononon crono rn nn ncnnnnne 7 1 7 1 1 2 Restoring CMOS Settings oconoccoccononononncnnconananonncnnoonnrononononarnncnn nro non n cnc nono nennnnne 7 1 1 1 2 Important CMOS Setini Saisies irene ae e orase ee aE S das role 7 1 11 21 Standard CMOS Setup noia de Bi A E het 7 1 1 12 2MBIOS Features Stu cocoa toilette dd 7 2 LLO Pass Ord iia 7 2 1 13 L Establishing a Password inci ada ae ld 7 2 11 3 2 Enterine a PassWord ls aee eeaeee aiii 7 2 1 1 3 3 Disabling a Pass word iodo shee i e aa e es 7 2 11 34 Changin ga PASS Orar it 7 3 MESAS iS A EOS 7 3 7 1 4IDE HDD Auto Detection imita o ji 7 3 El Save and EXE Ctup Laia EEANN SSA dae 7 3 7 1 6 Exit Without Saving i 2 ci nein sii bin ela bai died ie nit eaten 7 4 1 2 Upsrading the BIOS 2c c See ed eS bbe ob 7 4 7 3 Configuring Windows Display and Monitot ccoononoccnoccnconnnononncnnnononnnonncnocon an
2. 13 Thai 14 Turkish Not shown Illustrated Parts Catalog Spare Part Number 333828 171 333828 B41 333828 201 333828 221 333828 051 333828 211 333828 B31 333828 AD1 333828 161 333828 251 333828 231 333828 AB1 333828 281 333828 141 Warranty Tier A A gt gt gt gt gt gt gt gt gt gt gt gt 3 6 Miscellaneous Hardware Kit Figure 3 7 Miscellaneous Hardware Kit Table 3 6 Miscellaneous Hardware Kit Description Spare Part Number Miscellaneous hardware kit Includes 333832 001 Slot Cover 2 each I O Panel M3x0 5P 5mm screws 25 each 6 32UNC 14 inch hex screws 25 each Hex screw locks 25 each Seos Not shown Warranty Tier D Compaq Deskpro 1000 Series of Personal Computers 3 7 3 7 Miscellaneous Plastics Kit Figure 3 8 Miscellaneous Plastics Kit Table 3 7 Miscellaneous Plastics Kit Description Spare Part Number Warranty Tier Miscellaneous plastics kit includes 333831 001 D LED Holder Card guide System board standoff 2 each Cable twist Bezel blank 5 25 inch Feet 4 each ORR R RE Not shown 3 8 lllustrated Parts Catalog 3 8 3 9 3 10 Miscellaneous Parts Figure 3 9 Miscellaneous Parts Table 3 8 Miscellaneous Parts Description Spare Part Number Warranty Tier Two button mouse 298792 001 A 12 Battery real time clock external 234556 001 A Active heat sink P55C 200 with thermal pad and
3. ooconnonccnnonocononcnnconncnnnnncnononocnncnnonnnon anno nono a cinco ncnnos 2 5 2 3 1 Checklist for Solving Minor Problem oooooncccocncccononocononononononacnncnnonononcconornncnncnnconno 2 5 23 DP OWELIPLOBIEMS 2h 5 iia dit lada das 2 6 2 3 3 Piskette Drive Problems acia tii iia 2 7 2 3 4 Display Problems ede ee Ea N N EN ea 2 8 2 350 Printer Problem A iia 2 9 2 3 6 Hard Drive ProbleMs ii aia dias 2 10 2 3 7 Hardware Installation ProblemsS oooooonconinonononocccoonononononcnonccononnnnnnnncnnocnncconnrnnnnnnnno 2 11 2 3 8 CD ROM Drive Problems c ccesccesseessceesceeecececeeeeeececeecaeecaeeeaeeeeeeaecnaeenneees 2 12 2 3 9 Memory Problems sinear ia dio iia 2 12 chapter 3 Illustrated Parts Catalog 3 1 System Unitas ioc ais lisina 3 2 3 2 Mass Storage Devices ii adh detente Ha olathe ete he ee Ro aat 3 3 EPEA EI OA NT 3 4 3 4 Standard and Optional Boards ooconccccnononoconnnonononcnncnnnonannnonnnonnon nc no no non non conc nano nnnannrnncn nono 3 5 NO 3 6 3 6 Miscellaneous Hardware Kit minii enr eiei i E E E RAR 3 7 37 Miscellanevus Pl stic Kit derati de dida de dali aaa ha dees 3 8 Contents iii iv Contents 3 8 Miscellaneous Parts ccccccccccccecessssssssscecsccscescsessesssssecsscscesessssseesssssesscecssssssssssssessesseeees 3 9 chapter 4 chapter 5 MS 2 Skee a BO MEE ES A ee Ae 3 9 321 0 Documentation sa a 3 9 Removal and Replacement Preliminaries 4 1 Electrostatic Discharge Informat
4. 15A 250V configuration 3 The appliance coupler flexible cord and wall plug must bear a T mark and registration number in accordance with the Japanese Dentori Law The flexible cord must be Type VCT or VCTF 3 conductor 0 75 mm conductor size The wall plug must be a two pole grounding type with a Japanese Industrial Standard C8303 15A 125V configuration B 2 Power Cord Set Requirements appendix C HARD DRIVES Compaq Computer Corporation uses IDE hard disk drives that conform to two different primary secondary implementations These are Conner mode and ATA compatible mode These two modes are incompatible with one another Device 0 Device 1 Relationship A device O device 1 relationship exists when there are two hard drives connected to a single port In this situation one drive must be designated as the device 0 or primary drive and the other as the device 1 or secondary drive This designation is necessary because both drives cannot work simultaneously Cable Select The Compaq Deskpro 1000 Series of Personal Computers uses cable select technology for identifying Device 0 primary and Device secondary IDE hard drives Check that the jumpers on the IDE hard drive are set properly for cable select installation Always check the label on the drives or check Chapter 6 of this manual when a new drive is added to verify that the jumper settings are set correctly E Cable select may not function properly if drives oth
5. keyboard during POST Ensure no objects are resting on the keyboard None If this happens often the memory module may need to be replaced Ensure the controller is installed correctly the cable is attached correctly and the hard disk jumper is set to primary master If no hard drive is installed be sure the hard drive selection in Setup is set to None Ensure the controller is installed correctly the cable is attached correctly and the hard disk jumper is set to primary slave If no hard drive is installed be sure the hard drive selection in Setup is set to None Ensure the controller is installed correctly the cable is attached correctly and the hard disk jumper is set to secondary master If no hard drive is installed be sure the hard drive selection in Setup is set to None Ensure the controller is installed correctly the cable is attached correctly and the hard disk jumper is set to secondary slave If no hard drive is installed be sure the hard drive selection in Setup is set to None Compaq Deskpro 1000 Series of Personal Computers 2 3 2 2 2 4 CMOS Setup Utility The Award BIOS chip contains the ROM setup information of your computer and serves as an interface between the processor and the rest of the components on the motherboard The CMOS Setup Utility which is built into the BIOS and stored in the CMOS RAM is executed when the user changes the battery or the existing settings or when the syst
6. 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 Drive Application Jumpers Single drive 5to6 Primary drive 5 to 6 and 3 to 4 Secondary drive no connection Cable Select 3 to 4 6 6 Jumper Information chapter 7 UTILITIES 7 1 7 1 1 7 1 1 1 7 1 1 2 7 1 2 7 1 2 1 CMOS Setup Utility Using the CMOS Setup Utility Execute the CMOS Setup Utility when you upgrade or repair the computer change the battery encounter a POST error or choose to make a change to any of the default CMOS settings To use the utility Turn the computer off then on Press the Delete key when the message Press DEL to enter Setup appears on the screen Use the arrow keys to highlight the setup feature you want to change Press Enter to open the selected setup feature Use the arrow keys to highlight the value you want to change Use the Page Up or Page Down keys to change the selected value Press Esc to return to the main menu OO AE A Follow the on screen instructions to save the changes and exit or to exit the utility without saving any changes Safeguarding CMOS Settings If you choose to change the default settings you will want to restore those settings if the CMOS is ever corrupted or the battery loses power To safeguard these settings write them down make a print screen of each CMOS setup page or use third party
7. 3 4 7 1 3 5 7 1 4 7 1 5 Changing a Password To change a password complete the following steps 1 Disable the established password by pressing Enter when prompted for the current password 2 Establish a new password by following the instructions in Establishing a Password in this chapter Clearing a Password If you forget your password you cannot access the computer You will need to disable the password feature by setting the appropriate jumper on the system board You will then be able to access your computer 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 Figure 7 1 Locating the Password Jumper on the System Board Remove the jumper from the single pin and reinstall it over both pins Leave the jumper on for approximately 60 seconds 5 6 7 Remove the jumper from both pins and reinstall on a single pin 8 Replace the computer cover 9 Restart the computer IDE HDD Auto Detection The IDE HDD Auto Detection feature automatically configures the new hard drive and allows you to set the parameters of up to four IDE hard drives The option with Y is recommended by the system BIOS You may also key in your own parameters instead of having the system BIOS set them for you After modifying the settings press the Esc key to return the main menu
8. 333825 001 A captive clip replaces passive heat sink O Power switch with spring LED holder and cable 333827 001 A Shipping Boxes Table 3 9 Shipping Boxes Description Spare Part Number Warranty Tier Shipping box with buns return kit 333840 001 D Documentation Table 3 10 Documentation Description Spare Part Number Warranty Tier Maintenance amp Service Guide 333835 001 D Illustrated Parts Map 333836 001 D Reference Guide 333837 001 D Compaq Deskpro 1000 Series of Personal Computers 3 9 chapter 4 REMOVAL AND REPLACEMENT PRELIMINARIES 4 1 4 1 1 This chapter provides general service information for the computer Adherence to the procedures and precautions described in this chapter is essential for proper service Electrostatic Discharge Information A sudden discharge of static electricity from your finger or other conductor can destroy static sensitive devices or microcircuitry Often the spark is neither felt nor heard but damage occurs An electronic device exposed to electrostatic discharge ESD may not be affected at all and can work perfectly throughout a normal cycle Or it may function normally for a while then degrade in the internal layers reducing its life expectancy Networks built into many integrated circuits provide some protection but in many cases the discharge contains enough power to alter device parameters or melt silicon junctions Generating Static Table 4 1 shows how different ac
9. CMOS settings before you install a new battery To safeguard these settings write them down make a print screen of each CMOS setup page or use a third party CMOS rescue software to store the settings in a file on a write protected diskette Perform preparation procedures Section 5 4 Remove the system unit cover Section 5 5 WARNING The system board contains a clock CMOS lithium battery The lithium battery may explode if mistreated Use only replacement batteries supplied by Compaq Computer Corporation Press down on the retainer latch O and slide the battery out of the holder Insert new battery into holder Replace the system unit cover Plug in the computer and any peripheral devices WARNING This equipment is designed for connection to a grounded earthed outlet The grounding type plug is an important safety feature To avoid risk of electrical shock or damage to the equipment do not disable this feature Turn on the computer When you see the prompt Press DEL to enter Setup press the Delete key to run the CMOS Setup Utility to reset the date and time and automatically reconfigure your system Figure 5 19 Replacing the Battery Compaq Deskpro 1000 Series of Personal Computers 5 23 5 19 5 19 1 5 24 Mass Storage Devices This section discusses the removal and replacement procedures on the Compaq Deskpro 1000 Series of Personal Computers For information on installing an additional hard drive usi
10. Environmental Requirements Temperature Operating Shipping Humidity noncondensing Operating Nonoperating Maximum Altitude unpressurized Operating Nonoperating Heat Dissipation nominal Table 8 1 System Specifications Metric 16 51 cm 42 88 cm 41 28 cm 10 40 kg 180 264 VAC 200 240 VAC 50 60 Hz 3A 200 W 10 to 35 C 20 to 60 C 8 to 90 5 to 95 3048 m 9144 m 3 23 kg cal min U S 6 5 in 16 88 in 16 25 in 22 9 lb 90 132 VAC 100 120 VAC 50 60 Hz 6A 200 W 50 to 95 F 4 to 140 F 8 to 90 5 to 95 10 000 ft 30 000 ft 770 Btu hr Compaq Deskpro 1000 Series of Personal Computers 8 1 8 2 Table 8 2 System Interrupts Hardware IRQ System Function IRQ 0 Timer Interrupt Not on ISA Bus IRQ 1 IRQ 2 Interrupt Controller Cascade Not on ISA Bus Serial Port COM 2 IRQ 3 IRQ 4 IRQ 5 IRQ 6 IRQ 7 Enhanced Business Audio Parallel Port LPT 1 Real Time Clock Not on ISA Bus IRQ 8 IRQ 9 IRQ 10 Free for PCI Use IRQ 11 PCI Interrupt IRQ 12 IRQ 13 Coprocessor Not on ISA Bus IDE Interface Hard Disk and Primary IDE Drive IRQ 14 IRQ 15 Keyboard Not on ISA Bus Serial Port COM 1 Diskette Drive Free for PCI Use Mouse CD ROM Secondary IDE Drive Default configuration other configurations IRQ7 IRQ9 IRQ10 None Table 8 3 System DMA Hardware DMA System Function DMA 0 DMA 1 Busin
11. Heat Sink P55C 200 1 Perform preparation procedures Section 5 4 2 Remove the system unit cover Section 5 5 CAUTION When replacing a Pentium processor you must release the heat sink retaining clip before you pull the ZIF socket handle This clip engages the processor socket to hold the heat sink in place WARNING To reduce the risk of personal injury from hot surfaces allow the internal system components to cool before touching Remove the heat sink fan plug O from the socket on the system board Release the heat sink retaining clips from the tabs on the ZIF socket Lift the heat sink O off the ZIF socket Release the original processor from the socket by pulling the handle O on the ZIF socket out and upward DN OS Pe amp __ The handle on the ZIF socket in your computer may not look identical to the handle shown in the drawing All handle types perform the same function 6 Lift the processor out of the socket a fa tP 7 I I I I I I O Figure 5 13 2 Removing the Microprocessor from the System Board CAUTION When replacing the processor be sure that the clipped corner of the processor location of Pin 1 is aligned with the triangular area of the ZIF socket hinged corner Failure to do so could result in burning out both the processor and the system board 5 16 Removal and Replacement Procedures To install a processor complete the following steps 1 Lower the processor into the ZIF soc
12. automatically recognized a newly installed device If Windows 3 1 is installed run Computer Setup and identify the new device If Windows 95 is installed run Device Manager and identify the device 3 If the drive is a secondary drive that has just been installed on the same controller as the primary drive verify that the jumpers for both drives are set correctly 1 The system is trying to start from a diskette that is not bootable Remove the diskette from the diskette drive 2 The system is trying to start from the hard drive but the hard disk has been damaged Insert a bootable diskette into the diskette drive and restart the computer with Ctrl Alt Del 3 Diskette boot has been disabled in Computer Setup Run Computer Setup and enable diskette boot The hard disk files may be fragmented At the C gt prompt run SCANDISK to check for problems If problems exist run SCANDISK F to correct the problems If a large number of lost allocation units is found run the MS DOS defragmentation program DEFRAG See the Microsoft Windows amp MS DOS 6 2 User s Guide for more information Alternatively at the C gt prompt run SCANDISK to check for problems If problems exist run SCANDISK AUTOFIX to correct the problems If a large number of lost allocation units is found run the MS DOS defragmentation program DEFRAG Type HELP SCANDISK for more information 2 3 7 Hardware Installation Problems This section identifies some
13. button outward then pull the switch O out of the socket To install the cables reverse the previous procedure QO When installing the LED s ensure that LED s are installed as shown Removal and Replacement Procedures 5 16 Power Button 1 Perform preparation procedures Section 5 4 2 Remove the system unit cover Section 5 5 3 4 From the rear of the front bezel depress the tabs on each side of the power button the button Remove the front bezel Section 5 13 with its spring will come out of the front of the bezel Figure 5 17 Removing the Power Button To replace the power button reverse the previous procedure Compaq Deskpro 1000 Series of Personal Computers 5 21 5 17 5 22 Bezel Blank 1 Perform preparation procedures Section 5 4 2 Remove the system unit cover Section 5 5 3 4 With the front bezel in an upright position press the tabs on the side of the bezel blank towards Remove the front bezel Section 5 13 the center of the blank and push the bezel blank out of the front of the bezel Figure 5 18 Removing the Bezel Blank To replace the bezel blank reverse the previous procedure Removal and Replacement Procedures 5 18 Replacement Battery The real time clock battery that came with the computer can be replaced with a Compaq battery or a comparable 12 microamp alkaline 3 0 volt battery 1 2 DN a oP 7 8 BQ Itis important to store your
14. in this chapter is essential for proper service Q Some features may not be available on all models Power On Self Test POST The POST procedure is embedded in the system BIOS and performs a series of diagnostic tests that automatically run when the system is turned on POST checks the following assemblies to ensure that the computer system is functioning properly Keyboard Mouse System board Memory modules Video Diskette drives Hard drives Power supply E Controllers If POST detects an error in the system an error condition is indicated by an audible and or visual message Table 2 1 explains the error codes and suggests a recommended course of action POST Error Messages An error message may be followed by a prompt to press F1 to continue or press DEL to enter Setup Compaq Deskpro 1000 Series of Personal Computers 2 1 Message The computer beeps the beep consists of continuous long beeps The computer beeps the beep consists of one long beep followed by two short beeps BIOS ROM Checksum Error System Halted CMOS Battery Failed CMOS Checksum Error Defaults Loaded CPU at nnnn Display Switch Is Set Incorrectly Press Esc to Skip Memory Test Floppy Disk s Fail Hard Disk Install Failure 2 2 Troubleshooting Table 2 1 Power On Self Test Messages Probable Cause No system memory is present A video error has occurred and the BIOS cannot initialize the video screen t
15. nonconductive materials such as ordinary plastic assembly aids and Styrofoam Use field service 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 ground cord for the work surface Ground the cord to the chassis of the equipment undergoing test or repair Personal Grounding Equipment Use the following equipment to prevent static electricity damage to equipment Wrist Straps are flexible straps with a minimum of one megohm 10 resistance in the ground cords To provide proper ground a strap must be worn snug against bare skin The ground cord must be connected and fit snugly into the banana plug connector on the grounding mat or workstation Heelstraps Toestraps Bootstraps can be used at standing workstations and are compatible with most types of shoes or boots On conductive floors or dissipative floor mats use them on both feet with a minimum of one megohm resistance between the operator and ground To be effective the conductive strips must be worn in contact with the skin Compaq Deskpro 1000 Series of Personal Computers 4 3 4 1 6 4 2 4 2 1 Recommended Materials and Equipment Other materials and equipment that are recommended for use in preventing static electricity include Antistatic tape Antistatic smocks aprons or sleeve protectors Conductive bins and oth
16. that you are discharged of static electricity by briefly touching a grounded metal object CAUTION When handling a memory module be careful not to touch any of the contacts Doing so may damage the module 1 Perform preparation procedures Section 5 4 2 Remove the system unit cover Section 5 5 3 Insert a memory module at a 45 degree angle into a SIMM socket on the system board O amp A memory module can be installed only one way Match the notch on the module with the tab on the memory socket Push the module down into the socket ensuring that the module is fully inserted and properly seated Figure 5 10 Installing a SIMM Module Rotate the module to an upright position allowing the latches to snap into place Repeat steps 3 and 4 for each module that you want to install Replace the system unit cover Plug in the computer power cord PETU Ai a Turn on the computer amp The computer recognizes system memory upgrades and automatically reconfigures the computer If for some reason the memory upgrades do not configure correctly run the CMOS Setup Utility to reconfigure the computer See Chapter 7 Utilities for information running the CMOS Setup Utility 9 Test the system optional using a diagnostics software Q Diagnostics software is not included with this computer Compaq diagnostics software Version PC 10 25A is available from the Compaq world wide web site at www compaq com Third party diag
17. the cable connection from the monitor to the computer and check the electrical outlet 4 The brightness need adjusting Adjust the brightness control 5 The energy saver feature has been enabled Hit any key or type the password 6 The RGB Red Green Blue input switch on the back of the monitor is incorrectly set Set the monitor s input switch to 75 ohms and if there is a sync switch set it to External 7 Ifafixed sync monitor is used be sure that the monitor can accept the same sweep rate as the resolution chosen Graphics colors are wrong 1 Ensure that the Red Green and Blue BNC cables are connected to the corresponding monitor connectors 2 Be sure the monitor s RGB inputs are set to 75 ohms Characters are dim 1 Adjust the monitor s brightness and contrast controls 2 Check that the video cable is securely connected to the graphics card and monitor 3 Set the RGB switch and sync options if available to 75 ohms with the sync set to External Refer to the documentation included with the monitor Monitor does not function properly Monitor without the energy saver feature is being used with energy when used with the energy saver saver features enabled Disable the monitor energy saver feature features Blurry display or requested If the graphics controller was upgraded the correct display drivers resolution cannot be set may not be loaded Install the correct display drivers on the diskette included in the upg
18. the computer 7 If the drive is a secondary drive that has just been installed on the same controller as the primary drive verify that the jumpers for both drives are set correctly In Windows 95 onboard serial devices that are assigned to ports other than COM1 or COM2 have their configuration saved statically in CMOS When the system is rebooted the ROM configures the device to the static setting when Windows 95 loads it configures the device to the configuration set via Device Manager In such cases the configuration shown when CMOS Setup is run does not match what was set up via Device Manager If these devices must be configured a certain way before Windows 95 loads then the serial port devices on the system should only be configured to COM1 or COM2 resources If the system has two serial devices plus a modem then the first serial device can be COM1 or COM2 or disabled the modem can be COM1 or COM2 or disabled and the second serial device can be COM4 or disabled Compaq Deskpro 1000 Series of Personal Computers 2 11 2 3 8 CD ROM Drive Problems This section identifies some quick checks for CD ROM drive problems Table 2 8 CD ROM Drive Problems Problem Possible Solution Cannot read compact disc 1 CD is not properly seated in the drive Eject the CD correctly seat it in the drive then reload 2 CD has been loaded upside down Eject the CD turn it over then reload System will not boot from CD ROM1 The CD ROM b
19. warns the user or the network administrator of an impending failure or crash of the hard drive Compaq Deskpro 1000 Series of Personal Computers C 1 C 2 Automatic Soft Drive Types An automatic soft drive type is a mechanism where the system ROM and Computer Setup provide support for IDE hard drives that are not supported in the hard drive parameter table Computer Setup automatically builds a soft drive type when it finds that a hard drive is not in the hard drive parameter table The soft drive types assign according to the table below Table C 1 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 the hard drive parameter for DOS by logically halving the cylinders and doubling the heads This allows DOS to access greater than 528 MB The translated hard drive parameters are put into the hard drive parameter table in the shadow RAM copy of the system ROM When using any operating system other than DOS you must use the Compaq User Diagnostic diskette to set up the hard drive parameter table without translation Hard Drives A Alt key 1 8 architecture 1 3 B battery internal 1 4 bezel illustrated 3 2 spare part number 3 2 BIOS features setup 7 2 upgrading 7 4 boxes shipping 3 9 C cable select description C 1 cables 4 5 and connectors 4 5 illustrated 3
20. 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 USB A 3 VGA monitor connector A 3 plastic parts 4 5 Plug and Play problems 2 11 power troubleshooting 2 6 power cord set requirements by country B 2 general B 1 power supply 1 4 illustrated 3 2 spare part number 3 2 power switch 1 5 Power On Self Test POST function 2 1 messages 2 2 preloaded software 1 5 preparation for disassembly 5 3 preventing electrostatic damage 4 2 printer troubleshooting 2 9 processor 1 3 spare part number 3 5 Q QuickFind viii R rear panel connectors 1 7 removal and replacement procedures 5 1 remove 3 5 inch drive 5 26 5 25 inch drive 5 27 battery 5 23 bezel blank 5 22 drive cage 5 25 expansion board guide 5 6 expansion boards 5 4 feet 5 3 front bezel assembly 5 18 graphics memory 5 8 LED cables 5 20 LED retainer assembly 5 19 mass storage devices 5 24 memory modules 5 9 microprocessor 5 14 5 16 power button 5 21 power supply 5 13 system board 5 7 system unit cover 5 4 repair warning viii resolutions supported 7 5 ROM BIOS 1 3 S Safety amp Comfort guide viii screws 4 5 serial number viii serial interface pin assignments A 2 serial number 5 1 service considerations 4 4 setup password 7 2 chang
21. 4 removal and replacement C 1 spare part numbers 3 4 cache 1 3 CD ROM cable connector pin assignments A 4 CD ROM drive troubleshooting 2 12 chassis illustrated 3 2 chipset 1 3 clearing configuration 6 5 clearing the password 2 5 CMOS settings restoring 7 1 safeguarding 7 1 CMOS setup exit without saving 7 4 IDE HDD auto detection 7 3 save and exit setup 7 3 Index standard settings 7 1 CMOS Setup Utility 2 4 7 1 using 7 1 Computer Checkup TEST 2 5 connector pin assignments CD ROM cable A 4 USB A 3 connectors 4 5 A 1 connectors rear panel 1 7 controls front panel 1 5 CPU External Clock Frequency Settings 6 4 Ctrl key 1 8 D design overview 1 4 device O device 1 relationship C 1 diagnostics running 2 5 DIMM installing 5 12 disassembly assembly sequence 5 2 diskette drive eject button 1 5 optional 1 3 standard 1 3 troubleshooting 2 7 display troubleshooting 2 8 documentation viii documentation spare part numbers 3 9 drive bay bezel illustrated 3 2 drive bays 1 3 drive cage removal 5 25 spare part number 3 2 drive positions 1 6 E electrostatic damage preventing 4 2 electrostatic discharge 4 1 enhanced keyboard 1 4 EP Flash EPROM 6 4 error messages 2 2 ESD 4 1 expansion slots 1 3 5 4 F fan power supply 1 4 features 1 3 flash EPROM 6 4 front bezel illustrated 3 2 spare part number 3 2 G generating static 4 1 graphic
22. 5 Hz 16 7M 75 Hz appendix A CONNECTOR PIN ASSIGNMENTS This appendix contains the pin assignments for all external connectors Table A 1 Keyboard Connector Pin Signal nt o000000 4 v 3 oo000000 a e ESO SA Data Unused Ground 5 VDC Clock Unused oa KR WD Table A 2 Mouse Connector Pin Signal Ine Data JEE S JE Unused Ground 5 VDC Clock Unused oar OON Compaq Deskpro 1000 Series of Personal Computers A 1 Connector O OOOOOOOOOO D mM E coo Connector DOGE OO A 2 Connector Pin Assignments Table A 3 Parallel Interface Pin Signal 1 Strobe 2 Data Bit 0 3 Data Bit 1 4 Data Bit 2 5 Data Bit 3 6 Data Bit 4 7 Data Bit 5 8 Data Bit 6 9 Data Bit 7 10 Acknowledge 11 Busy 12 Paper End 13 Select 14 Auto Linefeed 15 Error 16 Initialize Printer 17 Select IN 18 25 Signal Ground Table A 4 Serial Interface Pin Signal Carrier Detect Receive Data Transmit Data Data Terminal Ready Signal Ground Data Set Ready Request to Send Clear to Send Ring Indicator oO ON Oa A OON Table A 5 VGA Monitor Connector Pin Signal 1 Red Analog ISO O 2 Green Analog 3 Blue Analog 4 Monitor ID Bit2 5 Ground 6 Ground Analog 7 Ground Analog 8 Ground Analog 9 Not Connected 10 Gro
23. 817 001 A 333816 001 A Compaq Deskpro 1000 Series of Personal Computers 3 3 3 3 Cables Figure 3 4 Cables Table 3 3 Cables Description Spare Part Number Warranty Tier Miscellaneous cable kit includes 333824 001 A O Cable diskette drive O Cable hard drive Cables LED hard drive and power O Cable power APD 121259 001 A 14 Cable power EMEA 285810 001 A O Cable power ANZ 285811 001 A 4 Cable power LA Thailand Taiwan 142766 001 A O Cable power PRC 298594 AA1 A Not shown 3 4 Illustrated Parts Catalog 3 4 Standard and Optional Boards Figure 3 5 Standard and Optional Boards Table 3 4 Standard and Optional Boards Description Spare Part Number Warranty Tier O system board P55C 333814 001 A EDO SIMM 8 MB 285734 001 A SDRAM DIMM 16 MB 333820 001 A Video upgrade memory 512 KB 333822 001 A Video board 333821 001 A Microprocessor P55C 200 MHz with thermal pad 240181 002 A 6 Microprocessor P55C 166 MHz with thermal pad 240181 001 A Not shown S Video board design varies by model Compaq Deskpro 1000 Series of Personal Computers 3 5 3 6 Keyboards Figure 3 6 Keyboard Table 3 5 Keyboards Description 1 Arabic 2 BHCSY Bosnia Herzegovina Croatia Slovenia and Yugoslavia 3 Brazilian Portuguese 4 Czech 5 French 6 Hungarian 7 International 8 Korean Hanguel 9 LA Spanish 10 Russian 11 Slovakian 12 Taiwanese
24. CMOS rescue software to store the settings in a file on a write protected diskette Restoring CMOS Settings If you are able to access the CMOS Setup Utility reload the BIOS defaults available in the CMOS Setup Utility or restore the safeguarded settings stored on the write protected diskettes If you are unable to access the CMOS Setup Utility remove the battery for about five minutes then return it to restore the default settings See Chapter 5 Removal and Replacement Procedures Important CMOS Settings Standard CMOS Setup You can change the following settings in Standard CMOS Setup m Date and time m Floppy disk drive types for drive A and B Compaq Deskpro 1000 Series of Personal Computers 7 1 7 1 2 2 7 1 3 7 1 3 1 7 1 3 2 7 1 3 3 7 2 Floppy mode support Bootup video display mode POST error handling selections Hard disk configurations amp You can set Hard Disk Type to Auto to automatically detect the drive type However if you choose to not use Auto do a screen print screen or make a note of the hard disk configuration settings for every hard drive on your computer so that you can reenter these values if CMOS becomes corrupted BIOS Features Setup The BIOS features have already been preset at the factory and users are advised not to run the BIOS and Chipset Features Setup programs Improper setup may cause the system to fail Passwords The supervisor and user passwords limit access to differ
25. COMPAQ MAINTENANCE amp SERVICE GUIDE Compaq Deskpro 1000 Series of Personal Computers Notice The information in this guide is subject to change without notice COMPAQ COMPUTER CORPORATION SHALL NOT BE LIABLE FOR TECHNICAL OR EDITORIAL ERRORS OR OMISSIONS CONTAINED HEREIN NOR FOR INCI DENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM THE FURNISHING PERFORMANCE OR USE OF THIS MATERIAL This guide contains information protected by copyright No part of this guide may be photocopied or reproduced in any form without prior written consent from Compaq Computer Corporation 1998 Compaq Computer Corporation All rights reserved Printed in the U S A Compaq and Deskpro are registered 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 Corporation Intel and Pentium are registered trademarks of Intel Corporation MMX is a trademark of Intel Corporation Product names mentioned herein may be trademarks and or registered trademarks of their respective companies The software described in this guide is furnished under a license agreement or nondisclosure agreement The software may be used or copied only in accordance with the terms of the agreement Maintenance Service Guide Compaq Deskpro 1000 Series of Personal Computers First Edition January 1998 Part Number 333806 001 Spare Pa
26. Computer Features Front Panel Controls and LEDs _ a E a MN o Figure 1 2 Front Panel Controls and LEDs O Diskette Drive Activity Light Turns on when the diskette drive is reading or writing O Power On Light Turns on when the computer is turned on O Hard Drive Activity Light Turns on when the hard drive is reading or writing O Diskette Eject Button Ejects a loaded diskette Power Button Turns the computer on and off When the hard drive light O or diskette drive light O is on the drive is either reading information from the disk or storing information on the disk Compaq Deskpro 1000 Series of Personal Computers 1 5 1 5 2 Drive Positions Figure1 3 Drive Positions on the Compaq Deskpro 1000 Desktop Computer One 3 5 inch 1 44 MB diskette drive One 3 5 inch third height drive bay for optional drive One 3 5 inch third height drive bay for primary hard drive One 5 25 inch half height drive bay for optional drive aos One 5 25 inch half height drive bay for optional drive 1 6 Product Description 1 5 3 Rear Panel Connectors Figure 1 4 Rear Panel Connectors Voltage Select Switch 115 V U S or 230 V to match geographical requirements Power Cord Connection Mouse Connector Keyboard Connector Universal Serial Bus USB Connectors Serial Connector Parallel Port Connector Serial Connector Gao c Monitor Connector Compaq Deskpro 1000 Series of Personal Computers 1 7 1 6 Enhan
27. Default for Intel Pentium CPUs AMD 1 2 K Cyrix IBM Linear Burst 2 3 Default setting Jumper Settings The following table identifies the jumper settings for each processor frequency for the Pentium with MMX Technology system boards CAUTION Do not configure the system board to operate faster than the speed at which the processor is rated Doing this could result in unreliable operation or processor damage Table 6 5 Pentium with MMX Technology System Board Jumper Settings CPU External CPU Clock Rate Speed CPU CLK MHz MHz CLK1 CLK2 CLK3 FREQ1 FREQ2 FREQ3 Pentium with MMX Technology 233 66 1 2 1 2 1 2 1 2 1 2 1 2 200 66 1 2 1 2 1 2 1 2 2 3 1 2 166 66 1 2 1 2 1 2 2 3 2 3 1 2 Default setting Refer to Table 6 1 for a description of the CLK and FREQ jumpers Clearing Configuration The computer s configuration CMOS may occasionally be corrupted When it does it is necessary to clear the CMOS memory To clear and reset the configuration run the CMOS Setup Utility described in Chapter 7 Utilities Changing the Real Time Clock RTC Battery Refer to Chapter 5 Removal and Replacement Procedures for complete instructions on installing a replacement RTC battery Compaq Deskpro 1000 Series of Personal Computers 6 5 6 2 Hard Drives For more information about Compaq hard drives refer to Appendix C in this guide 6 2 1 1 6 GB IDE Hard Drive Jumper Settings The jumper settings for the
28. EMOLY Ad toscana 5 8 5 LOsMemiory Modules titiriteros eE a etc 5 9 5 10 1 Installing a SIMM Module Sienen a a a aE 5 11 5 10 2 Installing a DIMM Module cooooccccoconococonononononocononncnnnonnnnnonononcnnncononnnon crono nnnancrnncnss 5 12 3 11 Power Supply ius 5 13 3 12 Microprocessor nepacia pan a a BUR eas bitte ws Da en aie 5 14 5 12 1 Passive Heat Sink P55C 166 ccccccccccessssecssseceeececesseceeeceeseeecsaeeceeeeeeseecesaeessaes 5 14 5 12 2 Active Heat Sink PISC 200 rinsi aaeeei n aE e Ee a i o 5 16 5 13 Front Bezel Assembly cota bt de AEE O A ddr 5 18 5 14 LED Retainer Assembly 0 aid Naas bo aTa E TEE idee aTi 5 19 SAS LED Cabl s iio a ee eee A de a S T EAS 5 20 5 16 Power BUON annin a E a e e a a e e E ind 5 21 5 17 Bezel Blank cis a aa Ea lie aa E E e EEE ENEE EE EA a de 5 22 18 Replacement Balli isos 5 23 5 19 MassStorage DEVICES ici 5 24 3 19 1 Driv POSSE e 5 24 2 1 9 2 Dive Capi Eo 5 25 319 33 SINGH DEV ill ii ates 5 26 3 19 4 5 25 Inch Drive viii nio nin east 5 27 chapter 6 Jumper Information 6 1 System Board Jumpers cima ia 6 1 6 1 1 Power On Password Jumpers CPW ccccccscccsseceeceesceeeeeseceseeeneeseceseecsaeeaeeseeeeeaes 6 3 6 1 2 Flash EPROM Type Selection EP eeeescseesseceecneesseceeeseeeeceseeseceaeesesseesaeeeeenees 6 4 6 1 3 CPU External Clock Bus Frequency CLK ecceesccesceesceeseeeeseeeecceneceneeeseeeeenaes 6 4 6 1 4 CPU to SRAM Data Transacting Mode Selection SRAM
29. For confirmation enter the Standard CMOS Setup feature Save and Exit Setup To save the changed CMOS settings Compaq Deskpro 1000 Series of Personal Computers 7 3 7 1 6 7 2 7 3 7 4 1 Press Esc to return to the main menu 3 4 Press Save and Exit Setup The message SAVE to CMOS and EXIT Y N will appear at the center of the screen Press Y Enter to save the changes or Press F10 Save and Exit Setup then press Y Enter If you do not make any changes or if you want to cancel the changes you just made see Exit Without Saving in this chapter Exit Without Saving If you want to cancel the changes you made to CMOS 1 2 Press Esc to return to the main menu Select Exit Without Saving Enter The message Quit Without Saving appears on the screen Press Y Enter to exit without saving the changes you just made Upgrading the BIOS MN WARNING Do not turn off or reset the computer during the flash process It will corrupt the BIOS data 1 2 Create a bootable floppy diskette Place the bootable diskette containing the BIOS file and the Flash Utility in drive A and reboot the system in MS DOS Version 6 22 is preferred At the A prompt type the Flash BIOS utility and the BIOS file with its extension For example flash531 615J900 bin At the Flash Memory Write menu To save the current BIOS settings select Y then type the current BIOS name and the ext
30. at can be used for reference when servicing the Compaq Deskpro 1000 Series of Personal Computers Compaq Computer Corporation reserves the right to make changes to the Compaq Deskpro 1000 Series of Personal Computers without notice Symbols and Conventions The following words and symbols mark special messages throughout this guide EN CAUTION Text set off in this manner indicates that failure to follow directions could result in damage to equipment or loss of data A N WARNING Text set off in this manner indicates that failure to follow directions in the warning could result in 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 distinguish elements of the text throughout this guide E Drive letters that are not in command lines are presented in uppercase type as shown here drive A E Directory names that are not in command lines are presented in uppercase type as shown here DIRECTORY The file names are presented in uppercase italic type as shown here FILENAME The names of commands are presented in lowercase as shown here install or a install Commands that are to be entered at the system prompt may be shown on a separate line When you need to type information without pressing Enter you are directed to type the information m When you need to type information and
31. ced Keyboard Figure 1 5 Enhanced Keyboard O cti Used in combination with another key lts effect depends on the software application you are using Windows Logo Keys Opens the Windows Start menu Used in combination with another key Its effect depends on the software application you are using alt Used in combination with another key lts effect depends on the software application you are using O Windows Application Key Used like the right mouse button to open pop up menus in a Microsoft Office application May perform other functions in other software applications The keyboard has feet on the bottom that enable the user to tilt the keyboard to a more comfortable typing angle Figure 1 6 Keyboard Tilt Feet 1 8 Product Description chapter 2 TROUBLESHOOTING 2 1 2 1 1 This chapter provides troubleshooting information for the Compaq Deskpro 1000 Series of Personal Computers including E Power On Self Test POST POST messages listed in Table 2 1 include a description of the error the probable cause and the recommended action that should be taken to resolve the error condition CMOS Setup Utility Computer Setup options are available through the CMOS Setup Utility m Troubleshooting Without Diagnostics Tables 2 2 through 2 9 include a problem solution checklist for power diskette drive display printer hard drive CD ROM and memory Adherence to the procedures and precautions described
32. drive bay MB Hard drive Standard EIDE with drive fault prediction GB Expansion slots PCI ISA combination Graphics S3 Trio64V2 DX Enhanced 64 bit Graphics MB 1 O ports Standard 166 200 256 PCI ISA 242 byte Standard VIA Apollo 590VP Flash memory device 16 256 16 256 Serial 2 Parallel USB 2 Monitor Keyboard Mouse continued Compaq Deskpro 1000 Series of Personal Computers 1 3 Table 1 2 continued Item Description Power supply 200 watt 115 VAC 6 0 A 230 VAC 3 0A Power supply fan Standard Internal piezo speaker Standard Internal battery Standard Operating System Windows 95 Two button mouse Standard Compaq Enhanced keyboard with MS Windows specific keys Standard 1 3 System Design This section presents a design overview and functional descriptions of the key components of the Compaq Deskpro 1000 Series of Personal Computers All replaceable components are identified in Chapter 3 and removal replacement instructions are presented in Chapter 5 1 3 1 Design Overview The desktop models of the Compaq Deskpro Series of Personal Computers use a conventional ATX chassis to house the removable system board expansion boards power supply and mass storage devices All internal components are accessible when the cover held in place by three screws is removed The front bezel is a separate assembly and is attached to the chassis with release latches The system board is easily re
33. e care Do not use a screwdriver or similar tool to pry apart the plastic components Lithium Battery The battery that came with the computer is replaceable CAUTION Never attempt to remove a lithium battery You can damage the system board in such an attempt thereby making it unusable Do not abuse or disassemble the lithium battery as it may explode if mistreated Compaq Deskpro 1000 Series of Personal Computers 4 5 chapter 5 REMOVAL AND REPLACEMENT PROCEDURES 5 1 This chapter provides subassembly module level removal and replacement procedures for the Compaq Deskpro 1000 Series of Personal Computers Before removing or replacing a subassembly safeguard the CMOS settings by writing them down making a print screen of each CMOS setup page or using a third party CMOS rescue software to store the settings in a file on a write protected diskette 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 replacement procedures run the CMOS Setup Utility to reconfigure the computer See Chapter 7 Utilities for instructions on how to run the CMOS Setup Utility Serial Number The computer serial number should be provided to Compaq whenever requesting information or ordering spare parts The serial number is located on the system cover at the right front corner O and also on
34. el and follow the on screen instructions to make the change 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 selects the display configuration you can manually change the resolution to match a software program or to suit personal preferences Select Display in the Control Panel and follow the on screen instructions to make the change Establishing a Password in Windows 95 To establish a password in Windows 95 complete the following steps 1 Goto the Control Panel 2 Double click the Passwords icon and follow the instruction to set a new password Diagnostics Software BQ Diagnostics software is not included with this computer Compaq diagnostics software Version PC 10 25A is available from your Compaq authorized dealer reseller or service provider or the Compaq world wide web site at WWW COMPAQ COM Diagnostics software is also available from third party diagnostics software provider Compaq Deskpro 1000 Series of Personal Computers 7 5 chapter S SPECIFICATIONS This chapter provides physical environmental and performance specifications for the computer 3 1 keyboard and mass storage devices System Dimensions Height Width Length Weight Power Supply Operating Voltage Range Rated Voltage Range Rated Line Frequency Rated Input Current maximum Power Output
35. em detects an error during POST and asks you to run the Setup utility See Chapter 7 Utilities for instructions on how to use this utility W Before removing or replacing a subassembly safeguard the CMOS settings Write them down make a print screen of each CMOS setup page or use a third party CMOS rescue software to store the settings in a file on a write protected diskette To execute the CMOS Setup Utility 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 Use the arrow keys to highlight the setup feature you want to change Press Enter to open the selected setup feature Use the arrow keys to highlight the value you want to change Use the Page Up or Page Down keys to change the selected value a al ON ON Follow the on screen instructions to save the changes and exit or to exit the utility without saving any changes lt S Failure to configure the system correctly can result in loss of data and reduced hard drive capacity The CMOS Setup Utility includes the following options Standard CMOS Setup BIOS Features Setup Chipset Features Setup Power Management Setup PnP PCI Configuration Setup Load BIOS Defaults Load Setup Defaults Integrated Peripherals Supervisor Password User Password IDE HDD Auto Detection Save and Exit Setup Exit without Saving Troublesh
36. ension after FILE NAME TO SAVE For example 613J900 bin If you do not want to save your current BIOS select N 5 Confirm the selection 6 When the screen displays the message Power Off or Reset the System remove the diskette hold down the END key and restart the system lt S You must depress the End key prior to power on until you enter CMOS setup If this is not done when restarting the system after upgrading the BIOS the system will not start properly Configuring Windows Display and Monitor When you first set up the computer and monitor the Windows 95 operating system detects the monitor type selects the best display configuration and installs the appropriate display drivers Utilities 7 3 1 7 3 2 7 3 3 7 3 4 7 4 This automated setup is referred to as Plug and Play there are no switches to set or manual procedures to follow just plug it in Q A monitor with Asset Control is required for the Plug and Play setup to work If you do not have a Plug and Play monitor you can set up the display manually Supported Resolutions Resolutions supported by the graphics controller installed on the Compaq LGX Personal Computer are presented in Chapter 8 Specifications Changing Monitor Type Manually in Windows 95 If you are using Windows 95 the operating system automatically recognizes all Plug and Play monitors If you are not using a Plug and Play monitor select Display in the Control Pan
37. ent functions of the computer The supervisor password protects the system configuration settings from unauthorized modification The user password prevents unauthorized access to data stored on the computer or computer network Under the BIOS Feature Setup you have the 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 E Supervisor Password every time you try to start the CMOS Setup Utility and be prompted for the User Password every time you turn on the computer Select System under the Security Option field E User password only when you turn on the computer Select Setup under the Security Option field Establishing a Password 1 From Setup select the Supervisor Password or User Password option 2 Enter the password 3 You will be asked to confirm the password Retype the password and press Enter amp If necessary you may press Esc to abort the password selection and not enter a password Entering a Password When prompted enter your current password BQ Type carefully for security reasons the characters you type do not appear on the screen Disabling a Password 1 From Setup select the Supervisor Password or User Password that you want to disable 2 When you are prompted to enter the established password press Enter A message appears confirming the password is disabled Utilities 7 1
38. er Problems Possible Solution 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 are plugged in properly A PCI or ISA card that has been installed may be defective Remove any adapter card that was just installed The real time clock RTC battery may need to be replaced See Chapter 5 for replacement procedures The unit temperature may have been exceeded Check the fan for function and blockage Check to ensure that the power cord is securely plugged into the wall and the unit 2 3 3 Diskette Drive Problems This section identifies some quick checks for diskette drive related problems Table 2 3 Solutions for Diskette Drive Problems Problem Possible Solution Diskette drive light stays on 1 Diskette may be damaged In Windows 95 run SCANDISK At the Start menu highlight Programs select Accessories select System Tools then SCANDISK 2 Diskette could be installed incorrectly Remove the diskette and reinsert 3 Software program may be damaged Replace the program diskettes 4 Drive cable is not properly connected Reconnect drive cable Diskette drive cannot write to 1 Diskette is not formatted Format the diskette a diskette 2 Diskette is write protected Either use another diskette that is not write protected or disable the write protection on the diskette 3 Writing to t
39. er assembly or soldering aids Conductive foam Conductive tabletop workstations with ground cord of one megohm resistance Static dissipative table or floor mats with hard tie to ground Field service kits Static awareness labels Wrist straps and footwear straps providing one megohm 10 resistance Material handling packages Conductive plastic bags Conductive plastic tubes Conductive tote boxes Opaque shielding bags Transparent metallized shielding bags Transparent shielding tubes Service Considerations Listed below are some of the considerations that you should keep in mind during the disassembly and assembly of the computer Tools and Software Requirements To service the computer you need the following Phillips head screwdrivers for use with 0 and 1 screws Flat bladed screwdriver Diagnostics software BQ Diagnostics software is not included with this computer Compaq diagnostics software Version PC 10 25A is available from the Compaq world wide web site at www compaq com Third party diagnostics software is also available Removal and Replacement Preliminaries 4 2 2 4 2 3 4 2 4 4 2 5 4 2 6 Screws The screws used in the computer are not interchangeable They may have standard or metric threads and may be of different lengths If an incorrect screw is used during the reassembly process it can damage the unit Compaq strongly recommends that all screws removed during disassembly be kept with t
40. er than those supported by Compaq are installed m The second drive on a cable select cable can be a CD ROM drive However the CD 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 m If two drives are already connected to the primary IDE controller and an additional drive is to be installed the secondary IDE controller must be enabled The secondary IDE controller can be enabled by checking this option after opening the Advanced box in the Mass Storage group of F10 Computer Setup See Chapter 7 for more information m When more than two drives are installed drive performances are best when the two faster drives are connected to the primary IDE controller and the slower drive is connected to the secondary IDE controller A hard drive is installed and configured more quickly when it has first been formatted If your new drive includes the cable select feature no jumper setting changes are required Refer to the documentation supplied with the cable for instructions on using the cable select feature If you install a third party hard drive you will need to purchase a jumper cable spare part number 247568 001 from Compaq Computer Corporation IntelliSafe SMART The IntelliSafe IDE hard drives for the Compaq Deskpro 1000 Series of Personal Computers have built in drive failure prediction that
41. ess Audio Default Alternate DMAO DMA3 None DMA 2 DMA 3 ECP Parallel Port LPT1 Default Alternate DMA 0 DMA 4 DMA Controller Cascading Not on ISA Bus DMA 5 DMA 6 DMA 7 Specifications Unused Diskette Drive Unused Unused Unused Table 8 4 System 1 0 I O Address Hex System Function Shipping Configuration 000 OOF 8237 DMA Controller 1 020 02F 8259A Master Programmable Interrupt Controller 040 O5F Programmable Internal Timer 060 O6F Keyboard Controller 070 071 System CMOS RTC also NMI Enable Disable 080 Manufacture System Check Point Port 081 O9F DMA Page Registers OAO OBF Second 8259 Programmable Interrupt Controller 0CO ODF DMA Controller 2 OFO OFF Numeric Data Processor 170 17F Secondary IDE Controller 1FO 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 2E8 2EF COMA if you set COM4 2F8 2FF COM2 370 377 Secondary Diskette Controller if present 378 37F Second Parallel Port 3B0 3BF Monochrome Display Adapter Primary Parallel Port 3C0 3CF EGA VGA Adapter 3D0 3DF Color Graphic Adapter 3E8 3EF COMB if you set COM3 3FO 3F7 Primary Diskette Controller 3F8 3FF COM1 04D0 04D1 PIC Edge Level Control Register OCF8 OCFF PCI Configuration Register 6000 FFFF PCI Device I O Space All 1 O addresses below 100 are reserved by the chi
42. h pins Leave the jumper on for approximately 60 seconds Remove the jumper from both pins and reinstall on a single pin Replace the computer cover O o N A Restart the computer Compaq Deskpro 1000 Series of Personal Computers 6 3 6 1 2 Flash EPROM Type Selection EP The EP1 and EP2 jumpers allow you to configure the Flash EPROM chip Table 6 2 EPROM Type Selection Flash EPROM EP1 Pin Pairs EP2 Pin Pairs 1M 1 2 1 2 2M 2 3 2 3 Default When flashing an Intel manufactured EPROM move the EP jumper from pins 1 2 to 2 3 After flashing is complete return the jumper to pins 1 2 To 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 Clock Bus Frequency CLK The CLK1 CLK2 and CLK3 jumpers allow you to set the different CPU speed configurations Table 6 4 shows the jumper settings for the different bus speed configurations Table 6 3 CPU External Clock Frequency Settings External CPU CLK CLK1 Pin Pairs CLK2 Pin Pairs CLK3 Pin Pairs 66 MHz 1 2 1 2 1 2 60 MHz 2 3 1 2 1 2 55 MHz 2 3 2 3 1 2 Default setting 6 4 Jumper Information 6 1 4 6 1 5 6 1 6 6 1 7 CPU to SRAM Data Transacting Mode Selection SRAM The SRAM jumper allows you to select the CPU to SRAM data read write mode Table 6 4 SRAM Pin Pairs Mode Pin Pair Intel Burst
43. he part that was removed then returned to their proper locations Q As each subassembly is removed from the computer it should be placed away from the work area to prevent damage Cables and Connectors Most cables used throughout the unit are flat flexible cables These cables must be handled with extreme care to avoid damage Apply only the tension required to seat or unseat the cables during insertion or removal from the connector Handle cables by the connector whenever possible In all cases avoid bending twisting or tearing the cables and ensure that the cables are routed in such a way that they cannot be caught 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 damage the computer Hard Drives Handle hard drives as delicate precision components avoiding all physical shock and vibration This applies to failed drives as well as spares m Use only the packaging provided by Compaq for shipping m Do not remove hard drives from the shipping package for storage E Keep hard drives in their protective packaging until they are actually mounted in the CPU or external storage unit E Avoid dropping drives from any height onto any surface Plastic Parts Plastic parts can be damaged by the use of excessive force during disassembly and reassembly When handling the plastic parts us
44. he 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 Diskette write control is disabled Check the security feature settings in Setup Diskette drive cannot read a 1 Diskette is not formatted Format the diskette diskette 2 Using the wrong diskette type for the drive type Use a diskette that is compatible with the drive 3 Reading the wrong drive Check the drive letter in the path statement 4 Diskette drive has been disabled by Computer Setup Run Computer Setup and enable the diskette drive A problem has occurred with a The directory structure is bad or there is a problem with a file In disk transaction Windows 95 run SCANDISK At the Start menu highlight Programs select Accessories select System Tools then SCANDISK Nonsystem disk message Remove the diskette from the drive and press any key Drive not found Check the cables for loose connections Compaq Deskpro 1000 Series of Personal Computers 2 7 2 3 4 2 8 Display Problems This section identifies some quick checks for display related problems Table 2 4 Solutions for Display Problems Problem Possible Solution Screen is blank 1 Monitor is not turned on and the monitor light is not on Turn on the monitor and check that the monitor light is on 2 Screen save has been initiated Press any key or move the mouse to light the screen 3 Check
45. ing 7 3 clearing 7 3 disabling 7 2 entering 7 2 establishing 7 2 shipping boxes spare part numbers 3 9 SIMM installing 5 11 spare part number 3 5 soft drive type assignments C 2 software preloaded 1 5 required for service 4 4 spare parts map viii speaker internal 1 4 SRAM CPU to SRAM data transacting mode selection 6 5 standard and optional boards spare parts 3 5 static shielding protection levels 4 2 static generating 4 1 supervisor password 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 10 system unit illustrated 3 2 spare part numbers 3 2 T Technical Reference Guide viii tools required for service 4 4 troubleshooting without diagnostics CD ROM 2 12 diskette drive 2 7 display 2 8 hard drive 2 10 hardware installation 2 11 hardware installation 2 11 memory 2 12 minor problems 2 5 power 2 6 printer 2 9 typical electrostatic voltages 4 1 U unit cover illustrated 3 2 Upgrading the BIOS 7 4 USB connector pin assignments A 3 user password 7 2 V ventilation viii voltages typical electrostatic 4 1 W Windows configuring display 7 4 Logo key 1 8 Index 1 3
46. ion c cccesccescecssceeseeeeceseceseeeseceeeenecsaecaeeeeeeeeeeeaeees 4 1 4 1 1 Generating Static 2 35 seis sine ia 4 1 4 1 2 Preventing Electrostatic Damage to Equipment oooooonnccnocnnococonoconcconnconnconn con nconncnnonns 4 2 4 1 3 Personal Grounding Methods ccs eecsseeecesseseceeesseeeceeeeecaeeseceecaeceecseesaecseesaeeees 4 2 4 1 4 Grounding Workstations eeeesceseececneesecsseesecseesaeeeecsevseecaseseceecsaeceesneeeeesaeeaeenees 4 3 4 1 5 Personal Grounding Equipment ccceeeecsseesecseceseeecceseeecaeeseceecaeceeeseeeeesseeseeeees 4 3 4 1 6 Recommended Materials and Equipment cc eeceessecseeseeeeceeeeecsecesecaeeaeeeeeneeaes 4 4 4 2 Service Considera citas dia dit aoe cbse staid dais 4 4 4 2 1 Tools and Software Requirements o ococoonocnnonononononncononnncononononononon conocen nrano nono nrnncn cnn 4 4 ADD SCLOWS i tas as a iaa 4 5 4 2 3 Cables and Connectors miii aoe eh Sl td de de epica 4 5 AE Hard Drives iss S 4 5 42 5 Plastic Pdtlsio aia eee aie ects es a ee a eld 4 5 4 26 Lithium Batteries 4 5 Removal and Replacement Procedures SL Serial Number a 5 1 5 2 Disassembly Assembly Sequence sotineen nisaar osoite iaa a aata EES 5 2 Did NA 5 3 5 4 Preparation for Disassembly eenei sseni aeae e i a A e aE eea 5 3 5 9 System Unit Cover miss iia le ee Aa aie ad 5 4 5 06 Expansion Bordo aaa 5 4 5 sExpaiision Board Guides ip dial g nate a 5 6 5 8 System Boadilla nacida 5 7 59 Graphics M
47. ket ensuring that pin 1 on the processor lines up with pin 1 on the ZIF socket 2 Push the handle on the ZIF socket back into place to secure the processor 3 Replace the heat sink Q Ensure that the new thermal pad O included in the spares kit is in place before installing the heat sink Insert the heat sink fan plug into the CPU_FAN socket Replace the system unit cover Plug in the computer power cord Turn on the computer OO AIDA A Run the CMOS Setup Utility For information on how to run the utility see Chapter 7 Utilities Compaq Deskpro 1000 Series of Personal Computers 5 17 5 13 5 18 Front Bezel Assembly To remove the bezel 1 2 3 Perform preparation procedures Section 5 4 Remove the system unit cover Section 5 5 From the inside the chassis push the release latches in and push the top of the bezel out and away from the chassis to release the bezel at those points Slide the bezel up from the bottom of the chassis to separate it from the chassis Figure 5 14 Removing the Front Bezel To replace the front bezel reverse the previous procedure taking care to properly position the hinge points and the release latches before pushing the bezel back into the chassis Removal and Replacement Procedures 5 14 LED Retainer Assembly 1 Perform preparation procedures Section 5 4 2 Remove the system unit cover Section 5 5 3 4 From the outside of the chassis pre
48. kpro 1000 Series of Personal Computers 5 27 chapter 6 JUMPER INFORMATION This chapter provides information for system board jumpers and hard drives for the Compaq Deskpro 1000 Series of Personal Computers 6 1 System Board Jumpers This section provides information for setting jumpers that enable disable passwords and clear the configuration CMOS When you change a security feature you will need to reset a jumper and reconfigure the computer to recognize this change If the system configuration is incorrect your computer may not work properly and you may receive error messages on the screen Setting the system board jumpers are part of the reconfiguration process along with running the Computer Setup CMOS utility amp Q To change the system board jumpers you must remove the computer system unit cover For procedures on removing the computer system unit cover refer to Chapter 5 Removal and Replacement Procedures ax CAUTION Be sure to turn off the computer before changing a jumper setting or damage to the system board can result A N WARNING To reduce the risk of personal injury from hot surfaces allow the internal system components to cool before touching Jumpers are used to select the operation modes for your computer To set a jumper a black cap containing metal contacts is placed over the jumper pins according to the required configuration A jumper is shorted when the cap is placed on two of its pins Co
49. leases from the safety catch 4 Lift the heat sink off the processor 5 Release the original processor O from the socket by pulling the handle on the ZIF socket out and upward amp __ The handle on the ZIF socket in your computer may not look identical to the handle shown in the drawing All handle types perform the same function 6 Lift the processor O out of the socket Figure 5 13 Removing the Microprocessor from the System Board CAUTION When replacing the processor be sure that the clipped corner of the processor location of Pin 1 is aligned with the triangular area of the ZIF socket hinged corner Failure to do so could result in burning out both the processor and the system board 5 14 Removal and Replacement Procedures To install a processor complete the following steps 1 Lower the processor into the ZIF socket ensuring that pin 1 on the processor lines up with pin 1 on the ZIF socket 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 Q Ensure that the new thermal pad O included in the spares kit is in place before installing the heat sink Replace the system unit cover Plug in the computer power cord Turn on the computer NDA A oR Run the CMOS Setup Utility For information on how to run the utility see Chapter 7 Utilities Compaq Deskpro 1000 Series of Personal Computers 5 15 5 12 2 Active
50. ly label each cable as you remove it noting its position and routing Compaq Deskpro 1000 Series of Personal Computers 5 3 9 5 6 5 4 System Unit Cover 1 Perform preparation procedures Section 5 4 2 Remove the three screws on the rear of the computer to release the cover 3 Slide the computer cover backward about 1 inch 2 5 cm 4 Lift the cover up then off the unit Figure 5 3 Removing the System Unit Cover To replace the cover reverse the previous procedure Expansion Board The Compaq Deskpro 1000 Series of Personal Computers contains seven expansion slots O Three dedicated 32 bit PCI Peripheral Component Interconnect expansion slots O One PCI ISA shared expansion slot O Three dedicated 32 bit ISA Industry Standard Architecture expansion slots Figure 5 4 Location of the Slots Removal and Replacement Procedures Perform preparation procedures Section 5 4 Remove the system unit cover Section 5 5 Remove the screw securing the expansion board to the chassis Pull the board out of the slot Row NS Figure 5 5 Removing a Board To replace a board reverse the previous procedure Compaq Deskpro 1000 Series of Personal Computers 5 5 5 7 5 6 Expansion Board Guide 1 Perform preparation procedures Section 5 4 2 Remove the system unit cover Section 5 5 3 4 Press in on the two plastic clips O on the right side of the guide The guide will pop out of the Rem
51. moved 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 is located to the left center of the chassis This drive cage can be pulled out from the top after removing the two screws securing it to the chassis to provide access to cable connections and to the screws securing the drives to the drive cage The removable drive cage accommodates one external diskette drive and two internal hard drives The fixed 5 25 inch drive cage is located to the right of the removable cage and holds a maximum of two drives Both the removable and the fixed drive cages allow drive installation without the use of rails Four screws secure a drive to the drive cage and ensure proper alignment of the drive within the cage Expansion boards are installed vertically into the system board A single screw secures each expansion board to the chassis The power supply is mounted in the right rear corner of the chassis The power supply is held in place by four screws that are installed through the rear panel of the chassis and a single retaining screw on the inside on the chassis 1 4 Product Description 1 4 1 5 1 5 1 Preloaded Software This computer is shipped with Windows 95 installed as the operating system The following software is preloaded on the computer Compaq Online Safety amp Comfort Guide m Microsoft Windows 95
52. mpaq Deskpro 1000 Series of Personal Computers 6 1 6 2 Figure 6 1 Locating the Jumpers System Board ID O cPw O EP1 EP2 O CLK1 CLk2 CLK3 O FREQ FREQ2 FREQ3 O SRAM Jumper Information Function Clear Password Flash EPROM Type Selection CPU External Clock BUS Frequency CPU to Bus Frequency Ratio CPU to SRAM Data Transacting Mode Selection Table 6 1 System Board Jumpers Description Allows you to set the password configuration to enabled or disabled You may need to enable this jumper if you forget your password Allows you to configure the Flash EPROM chip Allows you to set the different CPU speed configurations Used in conjunction with CLK1 CLK2 and CLK3 to decide the ratio of the internal frequency of the CPU to the bus clock Allows you to select the CPU to SRAM data read write mode 6 1 1 Power On Password Jumpers CPW If you forget your password you cannot access the computer You will need to disable the User Password feature by setting the appropriate jumper on the system board You will then be able to access your computer 1 Turn off the computer and any external devices Disconnect the power cord from the power outlet and any external devices from the computer 2 3 Remove the computer cover 4 Locate Jumper CPW Figure 6 2 Locating the Password Jumper on the System Board Remove the jumper from the single pin and reinstall it over bot
53. mpaq Technical Reference Guide Illustrated Parts Map poster Technical Training Guides viii Preface chapter 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 Series of Personal Computers Compaq Deskpro 1000 Series of Personal Computers 1 1 1 1 Compaq Deskpro 1000 Series of Personal Computer Models The Compaq Deskpro 1000 Series of Personal Computers is available in desktop configurations described in the following sections Table 1 1 Desktop Models Configuration Internal Code Processor Hard Drive Memory Cache Graphics BWF1 P55C 166 1 6GB 16 MB 256 KB S3 Trio64V2 DX BWF2 P55C 200 1 6 GB 16 MB 256 KB S3 Trio64V2 DX Q All models have maximum expandable memory up to 256 MB 1 2 Product Description Features Table 1 2 Features Item Description Processor Intel Pentium Processor with MMX Technology Speed MHz Cache L2 KB write through direct mapped Architecture CMOS RAM battery backed Plug and Play capability Chipset ROM BIOS Memory SIMM 72 pin non parity 66 MHz EDO SIMMs or DIMMs standard but not both Base MB Maximum MB SIMM sockets Memory DIMM 168 pin non parity 66 MHz SDRAM SIMMs or DIMMs standard but not both Base MB Maximum MB DIMM sockets Bays 3 5 inch Internal 3 5 inch External 5 25 inch External Diskette drive Standard 3 5 inch
54. n expand computer memory by installing industry standard single inline memory modules SIMMs or dual inline memory modules DIMMs on the system board The system board includes Sees Four SIMM sockets that can be populated with 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 with EDO or SDRAM modules either singly or in pairs Hil Figure 5 9 Memory Module Sockets on the System Board DIMM 1 Bank 0 DIMM 2 Bank 1 SIMM 1 amp 2 Bank 0 SIMM 3 amp 4 Bank 1 amp The system board can use either SIMM or DIMM memory but not both at the same time and can be populated as shown in the Table 5 2 Compaq Deskpro 1000 Series of Personal Computers 5 9 5 10 Removal and Replacement Procedures Total System Memory MB 8 16 32 64 128 256 Table 5 1 Memory Configuration Options SIMM 3 amp 4 Bank 1 484 484 888 888 16 amp 16 16 amp 16 32 amp 32 32 amp 32 64 amp 64 64 amp 64 SIMM 1 amp 2 Bank 0 4 amp 4 8 amp 8 168 16 32 amp 32 64 amp 64 DIMM 1 Bank 0 8 8 16 16 32 32 64 64 128 DIMM 2 Bank 1 32 64 128 5 10 1 Installing a SIMM Module A CAUTION Static electricity can damage the electronic components or optional equipment Before beginning these procedures ensure
55. ng cable select technology refer to Appendix C Hard Drives Drive Positions The Compaq Deskpro 1000 Series of Personal Computers supports up to five drives including O One external 3 5 inch third height diskette drive One internal 3 5 inch third height bay for an optional hard drive One internal 3 5 inch third height hard drive O One external 5 25 inch half height bay for optional drive One external 5 25 inch half height bay for optional drive Figure 5 20 Drive Bay Positions Removal and Replacement Procedures 5 19 2 Drive Cage Perform preparation procedures Section 5 4 Remove the system unit cover Section 5 5 Disconnect the cables attached to the 3 5 inch hard drive and diskette drive in the drive cage Remove two screws from the top of the drive cage AS Slide the drive cage to the rear about one inch allowing the front of the cage to clear the bezel then lift the cage out of the chassis F i I l saj Figure 5 21 Removing the Drive Cage To replace the drive cage reverse the previous procedure Compaq Deskpro 1000 Series of Personal Computers 5 25 5 19 3 3 5 Inch Drive Before beginning the removal procedure ensure that all removal media have been removed from the drive CAUTION When servicing this computer ensure that the cables are placed in their proper locations during the reassembly process Improper cable placement can damage the computer Perform preparati
56. nostics software is also available Compaq Deskpro 1000 Series of Personal Computers 5 11 5 10 2 Installing a DIMM Module IN CAUTION Static electricity can damage the electronic components or optional equipment Before beginning these procedures ensure that you are discharged of static electricity by briefly touching a grounded metal object EN CAUTION When handling a memory module be careful not to touch any of the contacts Doing so may damage the module 1 Perform preparation procedures Section 5 4 2 Remove the system unit cover Section 5 5 3 Press outward at the same time on both latches O of the DIMM socket and insert the memory module into the socket Q A memory module can be installed only one way 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 O Figure 5 11 Installing a DIMM Module 5 Replace the system unit cover 6 Plug in the computer power cord 7 Turn on the computer amp The computer recognizes system memory upgrades and automatically reconfigures the computer If for some reason the memory upgrades do not configure correctly run the CMOS Setup Utility to reconfigure the computer See Chapter 7 Utilities for information running the CMOS Setup Utility 8 Test the system optional using a diagnostics software Q Diagnostics software is not included with this c
57. ns mixed EDO and FPM DRAMs the EDO pair is one bank and the FPM pair is another bank Insufficient memory error during 1 Too many Terminate and Stay Resident programs TSRs are operation installed Delete any unnecessary TSRs 2 The computer has run out of memory for the application Check the memory requirements for the application or add more memory to the computer 2 12 Troubleshooting 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 AZ gt Figure 3 1 Compaq Deskpro 1000 Series of Personal Computers Compaq Deskpro 1000 Series of Personal Computers 3 1 3 1 3 2 3 2 Ilustrated Parts Catalog System Unit Figure 3 2 System Unit Table 3 1 System Unit Spare Parts Description Spare Part Number Warranty Tier System unit cover 333833 001 A Power supply 200W Includes fan 333818 001 A Drive Cage 333838 001 A O LED holder reference only part of Miscellaneous Plastics kit Base pan chassis assembly 333834 001 A O Front bezel Includes power switch cap and bezel blanks 333839 001 A Feet reference only part of Miscellaneous Plastics kit 3 2 Mass Storage Devices Figure 3 3 Mass Storage Devices Description 3 5 inch 1 44 MB diskette drive O 1 6 GB hard drive Table 3 2 Mass Storage Devices Spare Part Number Warranty Tier 333
58. o display any additional information The checksum of the BIOS code in the BIOS chip is incorrect indicating the BIOS code may have become corrupt CMOS battery is no longer functional The checksum of CMOS is incorrect so the system loads the default equipment configuration Displays the running speed of the CPU The display switch on the system board can be set to either monochrome or color This message indicates the switch is set to a different setting than indicated in Setup The system is testing memory Cannot find or initialize the floppy drive controller or the drive Cannot find or initialize the hard drive controller or the drive Recommended Action Add system memory Ensure the VGA card is installed correctly and that the monitor cable is well connected Replace the BIOS Replace the battery A checksum error may indicate that CMOS has become corrupt This error may have been caused by a weak battery Check the battery and replace if necessary None Determine which setting is correct and then either turn off the system and change the jumper or enter Setup and change the Video selection The user may press Esc to skip the full memory test Ensure the controller is installed correctly If no diskette drives are installed be sure the Diskette Drive selection in Setup is set to None This will occur only if the BIOS supports low level format Current BIOS does not support low le
59. ogical Data Heads Logical Sectors per Track Logical Buffer Size KB Specifications Table 8 7 EIDE Hard Drive 1 6 GB 1624 7 1624 7 333816 001 65 16 7 3 0 13 0 22 0 5400 3390 63 128 8 3 8 4 Mouse Dimensions Height Length Width Weight Base Resolution Tracking Speed maximum Temperature Operating Storage Lifetime Mechanical Switch Relative Humidity ESD Keyboard Dimensions Height Length Width Weight Table 8 8 2 Button Mouse Metric 3 4 cm 11 3 cm 6 0 cm 1309 400 dpi 25 cm sec 0 C to 40 C 20 C to 60 C Exceeds 483 km Exceeds 1 million operations 10 to 90 noncondensing No soft errors through 10 kV U S 1 34 in 4 45 in 2 36 in 4 59 oz 400 dpi 10 in sec 32 F to 104 F 4 F to 140 F Exceeds 300 miles Exceeds 1 million operations 10 to 90 noncondensing No hard errors through 15 kV specific performance depends on host system U S 1 58 in 17 95 in 6 63 in 1 98 Ib Table 8 9 Compaq Enhanced Keyboard Metric 4 0cm 45 6 cm 16 8 cm 0 9 kg Compaq Deskpro 1000 Series of Personal Computers 8 7 8 5 8 8 Specifications Supported Graphics Resolutions Resolution 1280 x 1024 1024 x 768 800 x 600 640 x 480 Table 8 10 Supported Graphics Resolutions S3 Trio64V2 DX Graphics Card 1 MB DRAM 16 75 Hz 256 85 Hz 655K 85 Hz 655K 85 Hz 2 MB DRAM 256 75 Hz 64K 75 Hz 16 7M 7
60. omputer Compaq diagnostics software Version PC 10 25A is available from the Compaq world wide web site at WWW COMPAQ COM Third party diagnostics software is also available 5 12 Removal and Replacement Procedures 5 11 Power Supply Perform preparation procedures Section 5 4 Remove the system unit cover Section 5 5 Remove the power connector cables from the system board Disconnect the power cables from the drives Remove four screws from the power supply on the rear of the chassis Remove one screw securing the power supply to the inside of the chassis Lift the power supply up until it hits the lip of the chassis A A ee a a ee Slide the power supply towards the front and lift it out of the chassis Figure 5 12 Removing the Power Supply To replace the power supply reverse the previous procedure Compaq Deskpro 1000 Series of Personal Computers 5 13 5 12 Microprocessor 5 12 1 Passive Heat Sink P55C 166 1 Perform preparation procedures Section 5 4 2 Remove the system unit cover Section 5 5 CAUTION When replacing a Pentium processor you must release the heat sink retaining clip before you pull the ZIF socket handle This clip engages the processor socket to hold the heat sink in place WARNING To reduce the risk of personal injury from hot surfaces allow the internal system components to cool before touching 3 Remove the heat sink retaining clip O by pressing down on the clip until it re
61. on a grounded surface before removing them from their container Always be properly grounded when touching a sensitive component or assembly Avoid contact with pins leads or circuitry Place reusable electrostatic sensitive parts from assemblies in protective packaging or conductive foam Personal Grounding Methods The method for grounding must include either a wrist strap or a foot strap at a grounded workstation When seated wear a wrist strap connected to a grounded system When standing use footstraps and a grounded floor mat Table 4 2 Static Shielding Protection Levels Method Voltage Antistatic plastic 1 500 Carbon loaded plastic 7 500 Metallized laminate 15 000 Removal and Replacement Preliminaries 4 1 4 4 1 5 Grounding Workstations To prevent static damage at the workstation use the following precautions E Cover the workstation with approved static dissipative material Provide a wrist strap connected to the work surface and properly grounded tools and equipment Use static dissipative mats foot straps or air ionizers to give added protection Handle electrostatic sensitive components parts and assemblies by the case or PCB laminate Handle them only at static free workstations m Turn off power and input signals before inserting and removing connectors or test equipment E Use fixtures made of static safe materials when fixtures must directly contact dissipative surfaces E Keep work area free of
62. on procedures Section 5 4 Remove the system unit cover Section 5 5 Remove the drive cage Section 5 19 2 Pi ee Remove the two screws on each side of the drive four total that secure the drive in the drive cage 5 Pull the 3 5 inch drive straight out of the drive cage Figure 5 22 Removing a 3 5 Inch Hard Drive from the Drive Cage To replace the 3 5 inch drive reverse the previous procedure 5 26 Removal and Replacement Procedures 5 19 4 5 25 Inch Drive Before installing a 5 25 inch drive into a bay that has never been used remove the metal breakaway plate covering the 5 25 inch bay Bend the metal plate back and forth until it breaks free of the chassis CAUTION When servicing this computer ensure that the cables are placed in their proper locations during the reassembly process Improper cable placement can damage the computer Perform preparation procedures Section 5 4 Remove the system unit cover Section 5 5 Remove the front bezel Section 5 13 Remove the drive cage Section 5 19 2 Dh ee Oe ROO Ee Insert the drive into the 5 25 inch bay from the front and secure it with two screws four total on each side of the drive a Connect the cables to the rear of the 5 25 inch drive and the system board 7 Reinstall the 3 5 inch drive cage and reconnect the drive cables Figure 5 23 Removing a 5 25 Inch Drive To remove the 5 25 inch device reverse the previous procedure Compaq Des
63. oot is not enabled through the CMOS Setup utility drive Run the CMOS Setup utility and set the drive priorities 2 Ensure that drive cabling and jumpers are set correctly To boot a SCSI drive the drive ID number must be set to 0 Cannot eject compact disc tray CD is not properly seated in the drive Turn off the computer and load unit only insert a thin metal rod into the emergency eject hole and push firmly a straightened paper clip can be used Slowly pull the tray out from the drive until the tray is fully extended then remove the CD CD ROM device is not detected CD ROM drive is not connected properly Open the computer and driver is not loaded check to see that the drive cable is connected properly and the drive jumpers are set correctly Some features may not be available on all models 2 3 9 Memory Problems This section identifies some quick checks for memory related problems Table 2 9 Memory Problems Problem Possible Solution Out of Memory error 1 In Windows 95 use the Device Manager to check memory configuration 2 The computer has run out of memory to run the application Check the application documentation to determine the memory requirements Memory count during POST is The memory modules may not be installed correctly Check that the wrong memory modules have been installed correctly and that mixed EDO and FPM DRAM are in the correct bank then run the Configuration utility If the system contai
64. ooting 2 2 1 2 2 2 2 3 2 3 1 Preparing the Computer If you encounter an error condition complete the following steps before starting problem isolation procedures 1 Ensure proper ventilation The computer should have a 3 inch 7 6 cm clearance at the back of the system unit 2 Turn off the computer and peripheral devices CAUTION Always ensure that the power is off before disconnecting or reconnecting the mouse keyboard or any other peripheral devices Disconnecting or connecting any peripheral devices while the unit power is on can damage the system board 3 Disconnect any peripheral devices other than the monitor and keyboard Do not disconnect the printer if you want to test it or use it to log error messages 4 Install loop back and terminating plugs for complete testing 5 Run a diagnostics utility Clearing the Password If you have to clear the password before changing any of the CMOS settings refer to Chapter 7 Utilities for instructions Troubleshooting Without Diagnostics This section describes some simple preliminary tests and guidelines for troubleshooting the computer without using diagnostics software ES Diagnostics software is not included with this computer Compaq diagnostics software Version PC 10 25A is available at www compaq com Third party diagnostics software is also available Checklist for Solving Minor Problems If you encounter some minor problem with the compute
65. ove all expansion boards from the computer Section 5 6 chassis Figure 5 6 Removing the Expansion Board Guide To replace the expansion board guide reverse the previous procedure Removal and Replacement Procedures 5 8 System Board Perform preparation procedures Section 5 4 Remove the system unit cover Section 5 5 Remove all expansion boards Section 5 6 Disconnect any cables plugged into the system board Remove the seven screws securing the system board to the chassis E Pinch the two standoff tabs O 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 mm i MY a Figure 5 7 Removing the System Board To replace the system board reverse the previous procedure Compaq Deskpro 1000 Series of Personal Computers 5 7 5 9 Graphics Memory 1 Perform preparation procedures Section 5 4 2 Remove the system unit cover Section 5 5 3 4 Remove the video graphics board and place on a protected surface Section 5 6 Install the two 512 KB memory upgrade modules making sure that the modules are firmly seated Video card design varies by model Figure 5 8 Installing a Graphics Module To replace the video graphics board reverse the previous procedure 5 8 Removal and Replacement Procedures 5 10 Memory Modules You ca
66. press Enter you are directed to enter the information Compaq 1000 Series of Personal Computers vii Technician Note A N WARNING Only authorized technicians trained by Compaq should attempt to repair this equipment All troubleshooting and repair procedures are detailed to allow only subassembly module level repair Because of the complexity of the individual boards and subassemblies no one should attempt to make repairs at the component level or to make modifications to any printed wiring board Improper repairs can create a safety hazard Any indication of component replacement or printed wiring board modifications may void any warranty or exchange allowances IN CAUTION To properly ventilate the computer system you must provide at least 3 inches 7 62 cm of clearance on the front and back of the computer A N WARNING The computer is designed to be electrically grounded To ensure proper operation plug the AC power cord into a properly grounded electrical outlet only System Serial Number The serial number is displayed on the right side of the cover on the right front corner and above the expansion board area on the rear of the computer Locating Additional Information The following documentation is available to support the computer Compaq Reference Guide Compaq QuickFind a subscription reference service Compaq Safety amp Comfort Guide Compaq Service Advisories and Bulletins Compaq Service Quick Reference Guide Co
67. pset even if they are not used Compaq Deskpro 1000 Series of Personal Computers 8 3 8 4 Size 64 KB 1504 MB 510 MB 64 K 64 KB 96 KB 32 KB 128 KB 640 KB Table 8 5 System Memory Map Memory Address Hex FFFFFFFFh to FFFFOO00h FDFFFFFFh to A0000000h 1FF00000h to 00100000h OOOFFFFFh to 000F0000h OOOEFFFFh to 000E0000h OOODFFFFh to 000C8000h 000C7FFFh to 000C0000h OOOBFFFFh to 000A0000h OOO9FFFFh to 00000000h System Function System ROM PCI Memory Expansion System Memory System ROM Reserved Reserved Video ROM Video RAM Base Memory All memory above the first 256 MB is non cacheable All PCI memory is non cacheable Specifications 8 2 Drives Size and Capacity Size cm Size in High Density MB Low Density KB Light Height Bytes per Sector Sectors per Track High Density Low Density Tracks per Side High Density Low Density Read Write Heads Average Seek Time Mb s Track to Track high low Average high low Latency Average ms Table 8 6 Diskette Drive 1 44 MB 8 9 3 5 1 44 720 Green One third 512 18 80 80 3 3 94 94 100 Compaq Deskpro 1000 Series of Personal Computers 8 5 8 6 Formatted Capacity Physical MB Logical MB Compaq Spare Part Number Drive Type Transfer Rate Interface Mbytes sec Typical Seek Time including settling Single Track ms Average ms Full Stroke ms Disk Rotational Speed rpm Cylinders L
68. quick checks for hardware problems Table 2 7 Solutions for Hardware Installation Problems Problem A new device is not recognized as part of the computer system The computer supports Plug and Play but the hardware configuration settings in Computer Setup do not match the settings in Windows 95 Device Manager Possible Solutions 1 The Computer Setup utility has not been run to configure the new device Run the Computer Setup utility 2 When the system advised you of changes to the configuration you did not accept them Reboot the computer and follow the instructions for accepting the changes 3 The system may not have automatically recognized the new device If Windows 3 1 is installed run Computer Setup and identify the new device If Windows 95 is installed run Device Manager and identify the device 4 A Plug and Play board may not automatically configure when added if the default configuration conflicts with other devices Run Computer Setup Windows 3 1 installed or run Device Manager Windows 95 installed to deselect the automatic settings for the board and choose a basic configuration that doesn t cause a resource conflict 5 The cables for the new external device are loose 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 integrate the new device with
69. r or a software application go through the following checklist for possible solutions before running any of the diagnostic utilities Is the computer connected to a working power outlet Is the computer turned on and the power light illuminated Are all cables connected properly and seated Is the monitor turned on and the power light illuminated If the monitor is dim turn up the brightness and contrast controls of the monitor Press and hold any key If the system beeps then the keyboard should be operating correctly Are all of the necessary device drivers installed Have all printer drivers been installed for each application Is the CONFIG SYS file correct Is the AUTOEXEC BAT file MS DOS or STARTUP CMD file OS 2 correct Compaq Deskpro 1000 Series of Personal Computers 2 5 2 3 2 2 6 Was a nonbootable diskette loaded in the diskette drive at power up Are all switch settings correct Have all jumper settings been set as instructed by the configuration utility Was Computer Setup run after installing options memory disk drives expansion boards etc and before installing industry standard architecture ISA boards Power Problems This section identifies some quick checks for power related problems Problem Computer will not turn on Computer does not automatically display the date and time Date Time not set Computer powered off automatically Troubleshooting Table 2 2 Solutions for Pow
70. rade kit The picture is broken up it rolls 1 Be sure the monitor cable is securely connected to the computer jitters or blinks 2 Ina 2 monitor system or if another monitor is in close proximity be sure the monitors are not interfering with each other s magnetic field by moving them apart Garbled characters on the screen The ANSI SYS driver is not in the CONFIG SYS file Add the are mixed with text ANSI SYS driver to the CONFIG SYS file by adding the following line DEVICE C CPQDOS ANSI SYS Screen goes blank A screen blanking utility may be installed or energy saver features are enabled Press any key or type password Monitor overheats There is not enough ventilation space for proper airflow Leave at least 3 inches 7 6 cm of ventilation space Also be sure there is nothing on top of the monitor to obstruct air flow Cursor will not move using the The Num Lock key is on Press the Num Lock key The Num Lock arrow keys on the numeric keypad light should not be on when you want to use the arrow keys Troubleshooting 2 3 5 Printer Problems This section identifies some quick checks for printer related problems Problem Printer will not print Printer will not turn on Prints garbled information Printer is offline Table 2 5 Solutions for Printer Problems Possible Solution 1 Printer is not turned on and online Turn the printer on and make sure it is online 2 The correct printer drivers for
71. rt Number 333835 001 Compaq Computer Corporation CPS CONTENTS preface Symbols and Conventions iio il ed ae dls dde vii Tech ician Note s viii System Serial Number ios viii Locating Additional Information c cccccesscceseceeeeseceecescecaeeceeeeneceaecaeceaeeeneceeeeeeeeneeennees viii chapter 1 Product Description 1 1 Compaq Deskpro 1000 Series of Personal Computer Models ooonconcnnnnocnnonoccnoconnnoncnnncnos 1 2 1 2 E ARAE E T E tooo ssedavendensbe dease 1 3 13 System DEST A Ea ee A 1 4 1 31 Desist OVNI Wilco 1 4 1 4 Preloaded Software ivtcc seieceeicskecsessestesdasinadaedaedacdscdustacaees dea ies SEE n E a eai 1 5 1 5 Computer EedtlteS iii o pad 1 5 1 5 1 Front Panel Controls and LEDS 0 ccecceescseseesseesceseeeeecesneceaeceseeneeceseceeeceeenseeenes 1 5 1 5 2 Drive Positions RT 1 6 1 5 3 Rear Panel Connectors cccecceeseceseceseceseeesecesecescecaeeceeceeecsaeceaeceneeesecnseenaeeceeenseeanes 1 7 1 6 Erihanced Keyboard siiin titi era sched Gaseemae needa eit de Loja enn 1 8 chapter 2 Troubleshooting 2 1 Power On Self Test POST cccccccccccecsssccsssecsesccesscecesseceeseeeessecceseceseeeecsaeeceeeeseseeeeaeenes 2 1 211 POST Error Messages a sesiss cases uan iie eien et Boswadehi nn dvs due E era ces 2 1 22 CMOS Sep Ulla tit 2 4 2 2 1 Preparing the Computer tdi ara Bethea Sa hs tip oros tas 2 5 2 2 2 Clearing the Password en aa eei A eas 2 5 2 3 Troubleshooting Without DiagnostiCS
72. s resolutions 1 3 setting resolution 7 5 graphics memory board spare part number 3 5 grounding electrical viii equipment 4 3 methods 4 2 workstations 4 3 H hard drive IntelliSafe C 1 optional 1 3 soft drive type assignments C 2 standard 1 3 troubleshooting 2 10 hardware Index 1 1 1 2 troubleshooting 2 11 hardware installation troubleshooting 2 11 I T O ports 1 3 Ilustrated Parts Map viii information locating additional viii IntelliSafe C 1 J jumper CLK 6 4 CPW 6 3 EP 6 4 password 6 3 SRAM 6 5 jumper cable C 1 jumper locations 1 62 GB IDE hard drive 6 6 jumper settings 1 62 GB IDE hard drive 6 6 system board 6 5 jumpers system board 6 1 K keyboard 1 8 keyboard connector A 1 enhanced 1 4 1 8 illustrated 3 6 spare part numbers 3 6 L LED Cables 5 20 LEDs 1 5 illustrated 3 4 M map spare parts viii mass storage devices removal 5 24 spare part numbers 3 3 materials static preventing 4 4 memory configuration 5 10 Index DIMM 1 3 installing DIMM 5 12 installing SIMM 5 11 SIMM 1 3 troubleshooting 2 12 miscellaneous hardware spare parts 3 7 miscellaneous plastics illustrated 3 8 spare part number 3 8 models 1 2 monitors connector pin assignments A 3 mouse 1 4 connector pin assignments A 1 0 operating system standard 1 4 P parallel interface pin assignments A 2 password changing 7 3 clearing 7
73. ss the tab O on either side of the LED assembly to pop it Remove the front bezel assembly Section 5 13 out of the chassis then continue to slide the assembly to the left Figure 5 15 Removing the LED Retainer Assembly and Cables To install the LED retainer assembly reverse the previous procedure Compaq Deskpro 1000 Series of Personal Computers 5 19 5 15 5 20 LED Cables 1 Perform preparation procedures Section 5 4 2 Remove the system unit cover Section 5 5 3 Remove the front bezel assembly Section 5 13 4 Disconnect the cables from the system board 5 Free the cable from the cable twist attached to the floor of the chassis Figure 5 16 Removing the LED Cables from the System Board Table 5 2 LED Cables Ref Component Cable Color O Power LED Cable Green White 12 Hard Drive LED Cable Yellow White Power Switch Cable Blue White 6 Remove the LED 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 Disconnect the cables attached to the 3 5 inch hard drive and diskette drive in the drive cage 9 Remove two screws from the top of the drive cage 10 Slide the drive cage to the rear about one inch allowing the front of the cage to clear the bezel then lift the cage out of the chassis 11 From the rear of the LED holder push the tabs on each side of the power
74. the application are not installed Install the correct printer drivers 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 The cables may not be connected properly Reconnect all cables and check the power cord and electrical outlet 1 The correct printer drivers for the application are not installed Install the correct printer drivers for the application 2 The cables may not be connected properly Reconnect all cables The printer may be out of paper Check the paper tray and refill it if it is empty Select online Compaq Deskpro 1000 Series of Personal Computers 2 9 2 3 6 2 10 Hard Drive Problems This section identifies some quick checks for hard drive related problems Table 2 6 Solutions for Hard Drive Problems Problem Hard drive error occurs Disk transaction problem Drive not found Nonsystem disk message Hard drive operation seems slow Troubleshooting Possible Solution Hard disk has bad sectors or has failed Use a utility to locate and block usage of bad sectors If necessary reformat the hard disk Either the directory structure is bad or there is a problem with a file At the C gt prompt run SCANDISK to check for problems If problems exist run SCANDISK AUTOFIX to correct the problems 1 Cable could be loose Check cable connections 2 The system may not have
75. the rear of the chassis to the left of and above the expansion slot area Figure 5 1 Locating the Serial Number Compaq Deskpro 1000 Series of Personal Computers 5 1 5 2 Disassembly Assembly Sequence 5 3 5 4 Computer Feet Preparation for Disassembly 5 5 System Unit Cover 5 6 Expansion Board 5 7 Expansion Board Guide System Board Graphics Memory SIMM Module DIMM Module Power Supply Microprocessor Front Bezel 5 14 LED Retainer Assembly 5 15 LED Cables Power Button Bezel Blank Battery Drive Cage 5 19 3 3 5 Inch Drive 5 19 4 5 25 Inch Drive 5 2 Removal and Replacement Procedures 5 3 Feet Four rubber feet are mounted to the underside of the base pan No parts have to be removed to access the feet The replacement feet have an adhesive surface and are shipped with a protective strip in place Remove the feet and clean the metal with a clean dry cloth Remove the protective strip from the replacement feet before installation A 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 and any peripheral devices connected to it A CAUTION The computer power switch should be turned off before you disconnect any cables 3 Disconnect the power cord from the electrical outlet and then from the computer 4 Disconnect all peripheral devices from the computer Q During disassemb
76. tivities generate static electricity at different electrostatic voltage levels Table 4 1 Typical Electrostatic Voltages Relative Humidity Event 10 40 55 Walking across carpet 35 000 V 15 000 V 7 500 V Walking across vinyl floor 12 000 V 5 000 V 3 000 V Motions of bench worker 6 000 V 800 V 400 V Removing DIPs from plastic tube 2 000 V 700 V 400 V Removing DIPs from vinyl tray 11 500 V 4 000 V 2 000 V Removing DIPs from Styrofoam 14 500 V 5 000 V 3 500 V Removing bubble pack from PCB 26 500 V 20 000 V 7 000 V Packing PCBs in foam lined box 21 000 V 11 000 V 5 000 V Dual Inline Packaging DIP is the packaging around individual microcircuitry These are then multi packaged inside plastic tubes trays or Styrofoam 700 volts can degrade a product Compaq Deskpro 1000 Series of Personal Computers 4 1 4 1 2 4 1 3 4 2 Preventing Electrostatic Damage to Equipment Many electronic components are sensitive to ESD Circuitry design and structure determine the degree of sensitivity The following proper packaging and grounding precautions are necessary to prevent damage to electric components and accessories m To avoid hand contact transport products in static safe containers such as tubes bags or boxes E Protect all electrostatic parts and assemblies with conductive or approved containers or packaging Keep electrostatic sensitive parts in their containers until they arrive at static free stations Place items
77. un ono noncrnncn nono 7 4 7 3 1 Supported Resolutions cee cecsseseecseeseceseeseceecaeceecseeeecseeseseeesseceeesaeseesneeaeseeeeeenees 7 5 7 3 2 Changing Monitor Type Manually in Windows 95 0 0 ce eesecseeeeeceeeeecnereeeeeeeeeeeees 7 5 7 3 3 Setting Graphics Resolution cc cecsessecssesseseceseceeceesnecseesaeeeesseesecnaeesesseeeaeeeeenees 7 5 7 3 4 Establishing a Password in Windows 95 ssssccssesscsscesecseceseeeecneeeecaeesecseesaeeneeners 7 5 TA Diagnostics SOLWare iaa 7 5 chapter 8 Specifications A TN 8 1 8 2 Drives Pennan aie ae ees Seen ete eg a aa T a aa 8 5 8 3 MOUSE ici tdi dci isc dida 8 7 SIA Keyboard nct licita E 8 7 8 5 Supported Graphics Resolutions cseeesssssecsecsseeeecneeseecseeseceecesecaeesasenecneeseecaeeseseeeaeaes 8 8 appendix A Connector Pin ASSIQMIMENES 2cccccccccccsssesesesscsescssssssssstscsecscsesssssssasssscscssesessssassscatasisesessates A 1 Contents V vi Contents appendix B Power Cord Set Requirements General Requirements cui Ree B 1 Country Specific Requirements 2 0 0 0 ee iens aeaaeae aE EES B 2 appendix C Hard Drives Device 0 Device 1 Relationship ceeeeecsesecesessecseceseesecseesaecaseseceeesaeceesaesnesseesaeeneees C 1 Cable Select iii ia lacio bt erteten ia athe C 1 Tntelli Safes SMAR Tc Es C 1 Automatic Soft Drive Types neiii i eienen e A SAE EE Eae eE C 2 preface This Maintenance amp Service Guide is a troubleshooting guide th
78. und 11 Monitor ID Bit 0 12 Bidirectional Data SDA 13 Horizontal Sync 14 Vertical Sync 15 Data Clock SCL For DDC support Pc monitors Table A 6 USB Connector Connector Pin Signal gt 1 VCC AS 2 Data 3 Data 4 Ground Compaq Deskpro 1000 Series of Personal Computers A 3 Table A 7 IDE Drive Cable 49 1 psceeseaseeese craneo Pin Signal Pin Signal 1 RESDRV 26 GND 2 GND 27 IOCHRDY 3 D07 28 CABLE SELECT 4 D08 29 DAK 5 D06 30 GND 6 D09 31 IRQ 7 D05 32 1016 8 D10 33 Al 9 D04 34 PDIAG 10 D11 35 AO 11 D03 36 A2 12 D12 37 CS1FX 13 D02 38 CS3FX 14 D13 39 DASP 15 DO1 40 GND 16 D14 41 AUDIO_R 17 DOO 42 AUDIO_L 18 D15 43 A_GND_R 19 GND 44 A_GND_L 20 KEY 45 5VMOT1 21 DREQ 46 5VMOT2 22 GND 47 5VMOT3 23 IOW 48 5VMOT4 24 GND 49 5VMLOG1 25 IOR 50 5VMLOG2 A 4 Connector Pin Assignments appendix B POWER CORD SET REQUIREMENTS The voltage select switch feature on the computer permits it to operate from any line voltage between 100 120 or 220 240 volts AC The power cord set received with the computer meets the requirements for use in the country where you purchased the equipment Power cord sets for use in other countries must meet the requirements of the country where you use the computer For more information on power cord set requirements contact your authorized Compaq dealer reseller or service provider General Requirements The requirements listed below are applicable to all co
79. untries 1 The length of the power cord set must be at least 1 8 m 6 00 feet and a maximum of 3 0 m 9 75 feet 2 All power cord sets must be approved by an acceptable accredited agency responsible for evaluation in the country where the power cord set will be used 3 The power cord set must have a minimum current capacity of 10A and a nominal voltage rating of 125 or 250 volts AC as required by each country s power system 4 The appliance coupler must meet the mechanical configuration of an EN 60 320 IEC 320 Standard Sheet C13 connector for mating with appliance inlet on the Switch Box Compaq Deskpro 1000 Series of Personal Computers B 1 Country Specific Requirements Power Cord Set Requirements By Country Country Accredited Agency Applicable Note Numbers Australia EANSW 1 Austria OVE 1 Belgium CEBC 1 Canada CSA 2 Denmark DEMKO 1 Finland SETI 1 France UTE 1 Germany VDE 1 Italy IMQ 1 Japan MITI 3 Norway NEMKO 1 Sweden SEMKO 1 Switzerland SEV 1 United Kingdom BSI 1 United States UL 2 NOTES 1 The flexible cord must be lt HAR gt Type HOSVV F 3 conductor 1 0 mm conductor size Power cord 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 equivalent No 18 AWG 3 conductor The wall plug must be a two pole grounding type with a NEMA 5 15P 15A 125V or NEMA 6 15P
80. vel format Continued Table 2 1 Continued Message Hard Disk s Diagnosis Failure Keyboard Error or No Keyboard Present Keyboard is Locked Out Unlock the Key Memory Test Memory Test Fail Primary Master Hard Disk Fail Primary Slave Hard Disk Fail Secondary Master Hard Disk Fail Secondary Slave Hard Disk Fail Probable Cause The system has run specific disk diagnostic routines This message appears if one or more hard disks return an error when the diagnostics run Cannot initialize the keyboard This message usually indicates that one or more keys have been pressed during the keyboard tests This message displays during a full memory test counting down the memory areas being tested If POST detects an error during memory testing additional information appears giving specifics about the type and location of the memory error POST detects an error in the primary master IDE hard drive POST detects an error in the primary slave IDE hard drive POST detects an error in the secondary master IDE hard drive POST detects an error in the secondary slave IDE hard drive Recommended Action Hard disk may be damaged and may need to be replaced Ensure the keyboard is attached correctly and no keys are pressed during POST To purposely configure the system without a keyboard set the error halt condition in Setup to Halt on All but Keyboard The BIOS then ignores the missing

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