Compaq Deskpro 4000N - Desktop PC Maintenance & Service Manual Download Page 99

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Compaq Deskpro 4000S and 4000N Personal Computers

5-25

5.15 Power Switch Cable Components

This section is subdivided into two parts: the switch cable assembly and the switch mounting bracket
assembly.

5.15.1 Switch Cable Assembly

The switch cable assembly consist of two parts: the switch mounting bracket assembly and the
switch cable.

To remove the switch cable assembly from the chassis, complete the following steps:

1. Prepare the computer for disassembly (Section 5.4).

2. Remove the system unit cover (Section 5.7).

3. Rotate the drive cage to an upright position.

4. Disconnect the switch cable assembly from the system board.

5. Remove the switch mounting bracket assembly from the chassis by squeezing the tab on top of

the bracket and then lifting the bracket up and out of the chassis.

Figure 5-17.

Disconnecting the Switch Cable

Summary of Contents for Deskpro 4000N - Desktop PC

Page 1: ...MAINTENANCE SERVICE GUIDE Compaq Deskpro 4000N and 4000S Network Personal Computers...

Page 2: ......

Page 3: ...rporation All rights reserved Printed in the U S A Compaq Deskpro Registered U S Patent and Trademark Office Microsoft MS DOS and Windows are registered trademarks of Microsoft Corporation The softwar...

Page 4: ...CPS...

Page 5: ...t failure to follow directions could result in damage to equipment or loss of data Text set off in this manner presents commentary sidelights clarifying information or specific instructions The follow...

Page 6: ...UTION To properly ventilate your system you must provide at least 3 inches 7 6 cm of clearance at the front and back of the computer CAUTION The computer is designed to be electrically grounded To ens...

Page 7: ...al Computers 1 1 chapter 1 PRODUCT DESCRIPTION This chapter describes the model offerings and features of the Compaq Deskpro 4000S and 4000N Series of Personal Computers Figure 1 1 Compaq Deskpro 4000...

Page 8: ...6 MB 256 KB S3 KV2 BSL2 P55C 233 1 44 MB std n a 2 1 GB 16 MB 256 MB 256 KB S3 KV2 BSL3 P55C 233 1 44 MB std 20X max 2 1 GB 32 MB 256 MB 256 KB S3 KV2 P55C is an Intel Pentium Processor with MMX Techn...

Page 9: ...l Slimline 3 5 inch Internal Expansion slot Deskpro 4000S Deskpro 4000N One 7 inch PCI ISA combination One 7 inch PCI Diskette drive 3 5 inch drive bay Deskpro 4000S only Standard Optional replaces 1...

Page 10: ...ard cage The expansion board cage provides a mounting location for the expansion board All internal components are accessible when the hood held in place by two latches is removed Lifting the Easy Acc...

Page 11: ...re attempting to use the computer IBM OS 2 or NetWare Microsoft Windows 95 for Deskpro 4000N Microsoft Windows NT for Deskpro 4000S There are two methods to order copies of suitable device drivers and...

Page 12: ...ware designed and built into new Compaq personal computers key components and monitors support the VESA DDC2B DIMM SPD and EDID standards AssetControl features Provide detailed information about vario...

Page 13: ...efailure Warranty for ECC memory modules allows you to replace modules with errors while within the Compaq three year warranty before the memory module fails SMART II hard drives fault prediction moni...

Page 14: ...ystem administrator during the systems startup Configuration Management Configuration management features include Remote ROM flash allows the system administrator to upgrade the ROM on remote computer...

Page 15: ...data memory change alerts NIC performance data and contact information This tool also provides access to Fault Management Features of the Compaq Deskpro 4000S and 4000N Series of Personal Computers Co...

Page 16: ...Panel Controls and Lights Deskpro 4000S Table 1 5 Lights and Controls Ref Component Ref Component Power Switch CD ROM Drive Diskette Drive Activity Light Hard Drive Activity Light Diskette Eject Butto...

Page 17: ...5 inch third height 1 44 MB diskette drive 2 5 25 inch drive bay for optional Slimline CD ROM drive only 3 Standard hard drive 3 5 inch third height Deskpro 4000S models only To verify the type size a...

Page 18: ...ors Ref Component Ref Component 1 Voltage Select Switch 7 Parallel Connector 2 Ethernet RJ 45 Activity Lights 8 Serial Connector 3 AUI Connector 9 Ethernet RJ 45 Connector 4 Mouse Connector Keyboard C...

Page 19: ...r key its effect depends on the software application you are using 2 Windows Logo Keys Opens the Windows Start menu Used in combination with another key its effect depends on the software application...

Page 20: ...ompaq for the Compaq Deskpro 4000S and 4000N Series of Personal Computers are described briefly in the following sections 1 7 1 Monitors QVision 210 Color Monitor Compaq 140 Color Monitor Compaq 141 C...

Page 21: ...Compaq Deskpro 4000S and 4000N Personal Computers 1 15 1 7 2 Modems 33 6 K Modem 56 K Modem NA only SpeedPaq ISDN Modem Compaq Netelligent Corporate Communicator NA only...

Page 22: ......

Page 23: ...T You can run Configuration and Diagnostics from diskette or use the Support Software CD to install a system partition containing Configuration and Diagnostics utilities Use the Compaq Configuration a...

Page 24: ...stics diskette Section 2 1 2 If you are using a Deskpro 4000N you may either download the diagnostics program from a second computer onto the hard drive of the 4000N or run diagnostics from that secon...

Page 25: ...he F10 message 3 Press Enter to bypass the title and welcome screens The Compaq Utilities menu appears The Compaq Utilities menu offers the following options Create a Diagnostics Diskette Deskpro 4000...

Page 26: ...he diagnostics software on your computer This must be performed from a Diagnostics diskette A diagnostics partition is installed on the primary hard drive at the factory If the partition is to be crea...

Page 27: ...re configuration aids in troubleshooting and allows you to set custom features Computer Setup recognizes a newly installed internal or external device and automatically updates the Computer Setup scre...

Page 28: ...ers Removable Media Bus Priority IDE Devices Quick Boot SCSI Devices POST Messages Boot Order Date Time Input devices Keyboard Communications Serial Ports Mouse Parallel Port Game Port Power Managemen...

Page 29: ...USB ports Setup Password Allows you to enable setup administrator password controlling access to the computer USB Allows you to disable USB ports Table 2 4 Built In Devices Communications Configuratio...

Page 30: ...e power on password option and follow the instructions provided to enable it 7 Save the configuration and exit the utility Entering a Power On Password To enter the power on password complete the foll...

Page 31: ...National Keyboard Delimiter Characters Each keyboard is designed to meet country specific requirements The syntax and keys that you use for changing or deleting your password depend on the keyboard th...

Page 32: ...not know the power on password you may bypass it and the setup password by setting the SW1 S1 switch on the system board to the ON position To establish new passwords set the S1 switch to the OFF pos...

Page 33: ...ser does not press F10 during this time turn the computer off then on again to access the utility 3 Press Enter to bypass the welcome screens and display the main menu 4 From the main menu select Comp...

Page 34: ...r connected to log error messages 2 Access the Compaq Utilities menu 3 From the Compaq Utilities menu select Computer Checkup TEST 4 When the test option menu appears select the option to view the dev...

Page 35: ...that you run INSPECT and have the printed report available before placing a call to the Compaq Customer Support Center To assist your Compaq authorized dealer reseller or service provider in analyzing...

Page 36: ...ENTER 6 Follow the screen prompts to exit the utility 2 5 Compaq Enhanced Insight Personal Edition Diagnostics for Windows Compaq Enhanced Insight Personal Edition Compaq Diagnostics for Windows utili...

Page 37: ...message To manually switch to Descriptive mode during POST press any key except F10 Descriptive Boot shows all system messages during POST To see the system messages every time the computer is started...

Page 38: ...N If the computer does not have a setup password enabled then the ROM is not write protected and unauthorized updates can occur The setup password is disabled when the computer is shipped from the fac...

Page 39: ...he Deskpro 4000N If the Setup password is incorrectly entered the procedure will terminate and no changes will be made to the ROM CAUTION Do not turn the power off during a firmware upgrade A loss of...

Page 40: ...he diskette drive of that computer In order to use the second computer s diskette drive as an external diskette drive on the Deskpro 4000N optional Floppy Drive Server FDS software must be installed a...

Page 41: ...ff and back on to resume normal system operation 2 9 Compaq Intelligent Manageability The Local Alert Pop Up Dialog notifies you of an impending or actual hardware failure It the computer is connected...

Page 42: ...help you support Deskpro 4000S Personal Computers Remote alerts for optional ECC DIMM memory single bit error prefailure and SCSI disk drive prefailure notification Asset and configuration informatio...

Page 43: ...CSI disk drive prefailure notification Asset and configuration information collected into a database and accessed by the Insight Manager console for remote tracking of computer assets and configuratio...

Page 44: ...r optimum performance To determine the version of NT SSD installed on the computer use the Version Control task in Insight Manager or look at the version in the file properties of the SETUPAPP EXE fil...

Page 45: ...3 ILLUSTRATED PARTS CATALOG This chapter provides an illustrated parts breakdown and a reference for spare parts for the Compaq Deskpro 4000S and Deskpro 4000N Series of Personal Computers Figure 3 1...

Page 46: ...3 2 Illustrated Parts Catalog 3 1 System Unit Figure 3 2 System Unit Spares...

Page 47: ...ons hood release springs and required screws Deskpro 4000N 308348 001 A 2 Expansion board cage includes backplane slot cover and required screws Deskpro 4000S 288398 001 A 2 Expansion board cage inclu...

Page 48: ...3 4 Illustrated Parts Catalog 3 2 Parts Kits Figure 3 3 Part Kits Components...

Page 49: ...latch button 2 ea f Flat ribbon cable clip not used g Plastic cable tie 2 ea 288436 001 D 2 Miscellaneous hardware kit includes a Screw 6 32 x 3 16 wafer head 5 ea b Screw 6 32 x high top with serrat...

Page 50: ...3 6 Illustrated Parts Catalog 3 3 Miscellaneous Parts Figure 3 4 Miscellaneous Parts...

Page 51: ...4122 011 A 2 Compaq Multimedia Sound System includes speaker cable board and software Asia Pacific Deskpro 4000S only 294122 371 A 2 Compaq Multimedia Sound System includes speaker cable board and sof...

Page 52: ...3 8 Illustrated Parts Catalog 3 4 Mass Storage Devices Figure 3 5 Mass Storage Devices...

Page 53: ...Deskpro 4000S only 288445 001 A 4 2 1 GB EIDE Hard Drive Deskpro 4000S only 288449 001 A 5 1 6 GB EIDE Hard Drive Deskpro 4000N only 308347 001 A 5 2 4 GB Ultra ATA Hard Drive 296679 001 A 6 2 1 GB Ul...

Page 54: ...3 10 Illustrated Parts Catalog 3 5 Cables Figure 3 6 Cables...

Page 55: ...er cord AC gray US Canada 121258 001 A 6 Power cord AC black US Canada Thailand Taiwan 142766 001 A 6 Power cord AC black Australia New Zealand 100661 001 A 6 Power cord AC black Europe 100614 001 A 7...

Page 56: ...sor Brazil 288426 201 A 3 Microprocessor with MMX technology 166 Mhz 288460 001 A 4 Microprocessor with MMX technology 200 MHz 288459 001 A 4 Microprocessor with MMX technology 233 MHz 286258 001 A 5...

Page 57: ...A 17 Soundboard with wave table ISA board Deskpro 4000S only 166575 001 A 18 Compaq PCI Ultra SCSI Controller use with 247485 001 cable 247399 001 A 19 Compaq ISA Plug and Play SCSI Controller use wi...

Page 58: ...3 14 Illustrated Parts Catalog 3 7 Keyboards Figure 3 8 Enhanced Keyboard...

Page 59: ...ompaq Enhanced Keyboard Hungarian 166514 211 A 14 Compaq Enhanced Keyboard International 166514 B31 A 15 Compaq Enhanced Keyboard Italian 166514 061 A 16 Compaq Enhanced Keyboard Latin American Spanis...

Page 60: ...3 16 Illustrated Parts Catalog 3 8 Monitors Figure 3 9 Compaq Monitors...

Page 61: ...02 021 A 5 Compaq P50 Color Monitor International SH 264202 B21 A 6 Compaq P70 Color Monitor TCO95 NA 255652 001 A 6 Compaq P70 Color Monitor TCO95 International SH 255652 B23 A 7 Qvision 210 Color Mo...

Page 62: ...296476 001 A Shield support bracket 296477 001 A Controller assembly 296478 001 A TFT LCD panel assembly 296481 001 A Backlight bulbs 2 ea 296480 001 A Protective cover 296738 001 A Front bezel assem...

Page 63: ...olor Monitor 5 ea 255645 001 D Shipping box Compaq P50 Color Monitor 5 ea 264204 001 D Shipping box and packing Compaq V50 Color Monitor 264156 001 D Shipping box Compaq V50 Color Monitor 5 ea 264157...

Page 64: ...3987 081 D Users Guide Microsoft Windows NT 3 51 Dutch 183987 331 D Users Guide Microsoft Windows NT 3 51 English 183987 001 D Users Guide Microsoft Windows NT 3 51 Finnish 183987 351 D Users Guide Mi...

Page 65: ...nch 183992 051 D Microsoft Windows NT 4 0 CD ROM German 183992 041 D Microsoft Windows NT 4 0 CD ROM Italian 183992 061 D Microsoft Windows NT 4 0 CD ROM Japanese 183992 191 D Microsoft Windows NT 4 0...

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Page 67: ...tem board or component damage 4 1 Electrostatic Discharge Information A sudden discharge of static electricity from your finger or other conductor can destroy static sensitive devices or microcircuitr...

Page 68: ...packaged inside plastic tubes trays or Styrofoam 700 volts can degrade a product 4 1 2 Preventing Electrostatic Damage to Equipment Many electronic components are sensitive to ESD Circuitry design an...

Page 69: ...tion Levels Method Voltage Antistatic plastic 1 500 Carbon loaded plastic 7 500 Metallized laminate 15 000 4 1 4 Grounding Workstations To prevent static damage at the workstation use the following pr...

Page 70: ...y or soldering aids Conductive foam Conductive tabletop workstations with ground cord of one megohm 10 resistance Static dissipative table or floor mats with hard tie to ground Field service kits Stat...

Page 71: ...uid diluted with water Rinse well by wiping it with a cloth or swab dampened with clear water For stubborn stains use isopropyl rubbing alcohol No rinsing is needed as the alcohol will evaporate quick...

Page 72: ...the procedures in Section 4 2 2 4 2 5 Cleaning the Mouse Before cleaning the mouse ensure that the power to the computer is turned off Clean the mouse ball by first removing the retaining plate and th...

Page 73: ...shock and vibration This applies to failed drives as well as replacement spares Use only the packaging provided by Compaq for shipping Do not remove hard drives from the shipping package for storage K...

Page 74: ......

Page 75: ...cement procedures run the Diagnostics utility to verify that all components operate properly CAUTION When the computer is plugged into an AC power source there is always voltage applied to the system...

Page 76: ...sassembly Section 5 4 2 Remove the system unit cover Section 5 7 3 Remove the removable expansion board cage Section 5 9 4 Disconnect the flat ribbon cables from the clip on the back of the drive cage...

Page 77: ...TION Do not drill any holes through the computer chassis Use the existing holes in the chassis to layout the location of the desired holes 12 Reposition the computer and install the fasteners through...

Page 78: ...he mounting surface if required to accept the fasteners 3 Install the fasteners through the mounting bracket CAUTION Make sure you use the proper fasteners to suit the material to which the mounting b...

Page 79: ...the drawer One hole must be immediately behind the power supply for exhaust air and the other should be used for routing the cables CAUTION Cable should not be run through the exhaust air hole 3 Ther...

Page 80: ...Feet 5 6 Cable Lock 5 7 System Unit Cover 5 8 Latch Retainer 5 9 Expansion Board Cage 5 10 Expansion Board 5 11 Easy Access Power Supply 5 12 System Board 5 13 1 Memory Module 5 13 2 Microprocessor 5...

Page 81: ...the computer is plugged into an AC power source there is always voltage applied to the system board You must disconnect the power cord from the power source before opening the computer to prevent syst...

Page 82: ...rside of the chassis To attach replacement feet to the chassis remove the protective strip from the adhesive on the back of the new feet and press them into place If necessary scrape the residue of th...

Page 83: ...slide the U shaped bracket between it and the system unit cover see inset then install the self tapping screw included in the cable lock kit 3 Cover the screw with the flat portion of the bracket 4 I...

Page 84: ...5 10 Removal and Replacement Procedures The cable lock provision may be used with the mounting bracket option Figure 5 6 Using the Cable Lock With the Mounting Bracket...

Page 85: ...g steps 1 Prepare the computer for disassembly Section 5 4 2 Press in the quick release cover latch on each side of the front bezel to release the hood latches 3 Slide the cover forward about 1 inch 2...

Page 86: ...ction 5 7 3 Rotate the Easy Access Drive Cage to its upright position 4 Remove the retaining screw that secures the latch retainer to the side of the chassis and remove the latch Figure 5 8 Removing t...

Page 87: ...steps 1 Prepare the computer for disassembly Section 5 4 2 Remove the system unit cover Section 5 7 3 Pull the expansion board cage straight up to remove it from the chassis Figure 5 9 Removing the Ex...

Page 88: ...hat secures the board to the expansion board cage then remove the expansion board Figure 5 10 Removing the Expansion Board To replace the expansion board reverse the above procedure If you are install...

Page 89: ...expansion board cage Section 5 9 The power cord must be removed from the computer before the power supply can be rotated to an upright position 4 Disconnect the power cables from the drives It is not...

Page 90: ...lt in connector is resting on the socket on the system board 2 Push the hinge bracket into the hinge hole on the power supply Hold the bracket in place with one finger while tightening the rear retain...

Page 91: ...5 7 3 Remove the expansion board cage Section 5 9 The power cord must be removed from the computer before the power supply can be rotated to an upright position 4 Rotate the drive cage to an upright p...

Page 92: ...alled on the system board do not unplug the battery from the system board connector as that will erase the CMOS Remove the external battery from the hook and loop fastener on the chassis but leave it...

Page 93: ...unded metal object CAUTION When handling a memory module be careful not to touch any of the contacts Doing so can damage the module To remove a memory module complete the following steps 1 Prepare the...

Page 94: ...of the socket 8 Lift the module from the socket Figure 5 14 Removing a Memory Module To replace a DIMM reverse the above steps CAUTION Check the position of all cables and wires before raising or low...

Page 95: ...nal injury from hot surfaces allow the internal system components to cool before touching 3 Rotate the drive cage to an upright position CAUTION Check the position of all cables and wires before raisi...

Page 96: ...pin 1 on the processor aligns with pin 1 on the ZIF socket 2 Push the ZIF handle on the ZIF socket back into place to secure the processor 3 If the processor has a raised center install thermal pad nu...

Page 97: ...le Use only replacement batteries supplied by Compaq Computer Corporation It is important to make a set of backup diagnostic diskettes before you install a new battery To install the external real tim...

Page 98: ...r 8 Place the sticker contained in the battery kit onto the back of the computer 9 Reconnect any external devices and plug in the computer WARNING This equipment is designed for connection to a ground...

Page 99: ...y and the switch cable To remove the switch cable assembly from the chassis complete the following steps 1 Prepare the computer for disassembly Section 5 4 2 Remove the system unit cover Section 5 7 3...

Page 100: ...retaining ears When installing the LED into a new mounting bracket the black wire should be in the top socket and the white wire in the bottom socket This is marked on the rear of the mounting bracke...

Page 101: ...t recommend removing the switch from the mounting bracket To assemble the components complete the following steps 1 Align the switch with the opening in the back of the mounting bracket and push the t...

Page 102: ...2 Remove the system unit cover Section 5 7 and place it with the bezel face down onto a protected surface 3 From the inside of the system unit cover remove the five screws that attach the front bezel...

Page 103: ...repare the computer for disassembly Section 5 4 2 Remove the system unit cover Section 5 7 3 Lay the system unit cover assembly top down on a protected work surface Pinch together the two tabs on the...

Page 104: ...r disassembly Section 5 4 2 Remove the system unit cover Section 5 7 3 Set the system unit cover with the top down on a protected work surface Squeeze together the sides of the right end of the bezel...

Page 105: ...ch drive bay located on the right side of the computer in the upper position and is restricted in use to a Slimline CD ROM drive The Deskpro 4000N computer has only a single 3 5 inch third height driv...

Page 106: ...s on each side of the drive The guide screws mounted on the left side of the drive are standard head screws The guide screws mounted on the right side of the drive are shoulder head screws The drive r...

Page 107: ...hould be taken out of the drives before removing the drive from the computer 1 Prepare the computer for disassembly Section 5 4 2 Remove the system unit cover Section 5 7 If you are replacing the driv...

Page 108: ...h side of the drive The guide screws mounted on the right side of the drive are standard head screws The guide screws mounted on the left side of the drive are shoulder head screws The drive release l...

Page 109: ...de the drive towards the front of the computer Ensure that the spring loaded drive release latch properly secures the drive CAUTION Use only 3 16 inch or 5 mm long screws as guide screws Longer screws...

Page 110: ...u have installed an audio board to the computer attach the audio cable from the system board at J11 to the audio board at this time 11 If it is necessary to remove the expansion board cage to attach t...

Page 111: ...talled a third party hard drive that is not a Plug and Play device you will need to run Computer Setup to reconfigure the computer Refer to Chapter 2 Configuration and Diagnostic Utilities for informa...

Page 112: ...e lower position To remove the drive complete the following steps 1 Prepare the computer for disassembly Section 5 4 2 Remove the system unit cover Section 5 7 3 Remove the Slimline CD ROM drive if pr...

Page 113: ...drive The guide screws mounted in the front two holes are standard head screws The guide screws mounted in the rear two holes are shoulder head screws The drive release latch will not work properly if...

Page 114: ...les from the back of the drive cage 5 Remove the latch retainer from the right side of the chassis Section 5 8 6 Remove the hinge locking screw 1 from the front of the chassis that is to the right of...

Page 115: ...1 chapter 6 CONNECTOR JUMPER AND SWITCH INFORMATION This chapter provides connector jumper and switch information for system board jumpers system I O board connectors and hard drives for the Compaq D...

Page 116: ...s Item Description Item Description J1 Diskette Drive Connector SW1 Processor Speed Switches P20 Primary IDE Connector P17 Power Supply Connector P21 LS 120 Connector P15 AUI Connector P25 CD ROM Conn...

Page 117: ...to operate faster than the speed at which the processor is rated Doing this could result in unreliable operation or processor damage Table 6 2 Switch SW1 Password Control S1 Action On Disable Password...

Page 118: ...ceive error messages on the screen Setting the system board jumpers are part of the reconfiguration process along with running the Computer Setup utility The system board jumper settings are identical...

Page 119: ...ection 5 4 CAUTION The power cord must be disconnected from the power source before changing the jumpers Failure to do so may damage the system board 2 Remove the system unit cover Section 5 7 3 Remov...

Page 120: ...drives refer to Appendix C in this guide For more information about using SCSI devices refer to Appendix D The drawings and tables below apply to a number of different sized drives in the following p...

Page 121: ...d O 4032 cylinder option enabled J J jumper O no jumper 6 3 1 1 6 GB EIDE Hard Drive Jumper Settings Refer to the Western Digital drawing and table above 6 3 2 2 1 GB EIDE Hard Drive Jumper Settings R...

Page 122: ...22 SCSI ID Pins 21 22 Pins 19 20 Pins 17 18 0 off off off 1 off off on 2 off on off 3 off on on 4 on off off 5 on off on 6 on on off 7 on on on Table 6 7 Options Jumpers for Pins 1 16 Pins Definition...

Page 123: ...6 SCSI ID Pins 1 2 Pins 3 4 Pins 5 6 0 off off off 1 off off on 2 off on off 3 off on on 4 on off off 5 on off on 6 on on off 7 on on on Table 6 9 Options Jumpers for Pins 7 20 Pins Definition Pins D...

Page 124: ...6 10 Connector Jumper and Switch Information...

Page 125: ...t 20 lb 9 1 kg Power Supply Operating Voltage Range Rated Voltage Range Rated Line Frequency 90 132 VAC 100 120 VAC 50 60 Hz 180 264 VAC 200 240 VAC 50 60 Hz Rated Input Current maximum 2 5 A 1 25 A P...

Page 126: ...skette Drive IRQ 7 Parallel Port LPT 1 IRQ 8 Real Time Clock Not on ISA Bus IRQ 9 Unused IRQ 10 Unused IRQ 11 PCI Interrupt IRQ 12 Mouse IRQ 13 Coprocessor Not on ISA Bus IRQ 14 IDE Interface Hard Dri...

Page 127: ...2 07F Unused 080 08F DMA Page Registers 090 091 Unused 092 Port A 093 09F Unused 0A0 0BF Interrupt Controller 2 0C0 0DF DMA Controller 2 0E0 0EB Unused 0EC 0ED 483 Configuration Index Data 0EE 0EF 483...

Page 128: ...2F7 Unused 2F8 2FF Reserved Serial Port 300 317 Unused 318 319 Unused 31A 36F Unused 370 377 Reserved 378 37F Parallel Port Primary 380 387 Unused 388 38B Unused 38C 397 Unused 398 399 Super AI O Ind...

Page 129: ...0000000h PCI Memory Expansion 255 MB 0FFFFFFFh to 00100000h HOST or PCI Memory Expansion 128KB 000FFFFFh to 000E0000h System ROM 96 KB 000DFFFFh to 000C8000h ISA PCI option ROMs 32 KB 000C7FFFh to 000...

Page 130: ...MB 1 44 Low Density KB 720 Compaq Spare Part Number 160788 001 Light Green Height One third Bytes per Sector 512 Sectors per Track High Density 18 Low Density 9 Tracks per Side High Density 80 Low De...

Page 131: ...sfer Rate Interface MBytes sec 16 7 16 7 Typical Seek Time including settling Single Track ms Average ms Full Stroke ms 3 0 11 0 20 0 2 0 12 0 20 0 Disk Rotational Speed rpm 5200 4500 Cylinders Logica...

Page 132: ...5 001 Disc Diameter 12 cm 8 cm Capacity 550 MB mode 1 12 cm 640 MB mode 2 12 cm 180 MB 8cm Center Hole 15 mm diameter Disc Thickness 1 2 mm Track Pitch 1 6 m Laser Beam Divergence Output Power Type Wa...

Page 133: ...e rms Microphone In Headphone Out Line Out 0 030 n a 0 7 Impedance nominal Microphone in Headphone out Line out 1 K ohm 16 ohms min 20 K ohms Speaker Frequency response 450 Hz to 4000 Hz Data Types al...

Page 134: ...illion operations Exceeds 483 km Exceeds 1 million operations Relative Humidity 10 to 90 noncondensing 10 to 90 noncondensing ESD No soft errors through 10 kV No hard errors through 15 kV specific per...

Page 135: ...dix contains the pin assignments for all external connectors Table A 1 Keyboard Connector and Icon Orange Pin Signal 6 3 4 5 2 1 KEY 1 2 3 4 5 6 Data Unused Ground 5 VDC Clock Unused Table A 2 Mouse C...

Page 136: ...ta Bit 0 Data Bit 1 Data Bit 2 Data Bit 3 Data Bit 4 Data Bit 5 Data Bit 6 Data Bit 7 Acknowledge Busy Paper End Select Auto Linefeed Error Initialize Printer Select IN Signal Ground Table A 4 Serial...

Page 137: ...Analog Monitor ID Bit2 Ground Ground Analog Ground Analog Ground Analog Not Connected Ground Monitor ID Bit 0 Bidirectional Data SDA Horizontal Sync Vertical Sync Data Clock SCL For DDC support I2C mo...

Page 138: ...2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Ground Negative AUI Differential Collision Positive AUI Differential Collision Negative AUI Differential Transmit Positive AUI Differential Transmit Ground Ground...

Page 139: ...2 3 4 VCC Data Data Ground Table A 9 Line Out Audio Connector Connector and Icon Pin Signal Inside Outside Data Ground Table A 10 Microphone Connector Connector and Icon Blue Pin Signal Inside Outside...

Page 140: ...4 D08 29 DAK 5 D06 30 GND 6 D09 31 IRQ 7 D05 32 IO16 8 D10 33 A1 9 D04 34 PDIAG 10 D11 35 A0 11 D03 36 A2 12 D12 37 CS1FX 13 D02 38 CS3FX 14 D13 39 DASP 15 D01 40 GND 16 D14 41 AUDIO_R 17 D00 42 AUDI...

Page 141: ...04 43 GND 10 D11 44 AUDIO_L 11 D03 45 A_GND_R 12 D12 46 A_GND_L 13 D02 47 AUDIO_R 14 D13 48 FP01 15 D01 49 FP02 16 D14 50 FP03 17 D00 51 FP04 18 D15 52 FP05 19 GND 53 FP06 20 KEY 54 FP07 21 DRQ 55 FP0...

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Page 143: ...our authorized Compaq dealer reseller or service provider General Requirements The requirements listed below are applicable to all countries 1 The length of the power cord set must be at least 6 00 fe...

Page 144: ...ord set fittings appliance coupler and wall plug must bear the certification mark of the agency responsible for evaluation in the country where it will be used 2 The flexible cord must be Type SJT or...

Page 145: ...ser or the network administrator of an impending failure or crash of the hard drive Automatic Soft Drive Types An automatic soft drive type is a mechanism where the system ROM and Computer Setup auto...

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Page 147: ...ice Description 0100 0199 Processor P1 3113 3199 Third Processor P3 0200 0210 Memory 3206 3206 Audio System 0301 0304 Keyboard 3300 3333 Mediavision Spectrum 16 Multimedia 0401 0498 Parallel Port 3400...

Page 148: ...ter Setup and retest 2 Replace the system board and retest 0103 xx DMA controller failed The following step applies to error codes 0103 xx through 0106 xx 0104 xx Interrupt controller failed Replace t...

Page 149: ...ess test failed 1 Remove one memory module at a time until the error message stops 2 Replace other removed modules one at a time testing each to ensure the error does not return 3 Replace the system b...

Page 150: ...media test failed 0606 xx Diskette speed test failed 0610 xx Diskette change line test failed Table 4 7 Serial Port Test Error Codes Error Code Description Recommended Action 1101 xx Serial port test...

Page 151: ...est failed 1717 xx Hard drive ECC test failed 1719 xx Hard drive power mode test failed 1724 xx Hard drive network preparation test failed 1736 xx Hard drive monitoring test failed Error Correction Co...

Page 152: ...1 xx Video screen memory page test failed 2412 xx Video gray scale test failed 2418 xx ECG VGC memory test failed 2419 xx ECG VGC ROM checksum test failed 2420 xx Graphics attribute test failed 1 Repl...

Page 153: ...anges to ESS sound device configuration do not take effect until the computer is restarted turned off and on Table 4 13 Network Interface Test Error Codes Error Code Description Recommended Action 600...

Page 154: ...ck the jumper settings on the adapter board 6623 xx Random read test failed 3 Verify that the speakers are connected 4 Check and or replace the power and signal cables and retest 5 Replace the CD ROM...

Page 155: ...gnostic error code of 6523 05 you would look at Table D 16 to identify the meaning of the first two numbers 65 This indicates a hard drive problem The second set of two numbers 23 refers to a random r...

Page 156: ...te protect on tape cartridge 2 Replace tape drive XXXX 18 No data detected Replace the indicated device XXXX 21 Drive command aborted Replace the indicated device 65XX 24 Media hard error 1 Back up da...

Page 157: ...lines bad Replace the indicated device XXXX 53 BSY never went busy Replace the indicated device XXXX 54 BSY stayed busy Replace the indicated device XXXX 60 Controller CONFIG 1 register bad Replace th...

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Page 159: ...alid time or date in configuration memory Set the date and time under Control Panel 164 Memory Size Error 2S Memory configuration incorrect Run Computer Setup or Windows NT or Windows 95 utilities 201...

Page 160: ...cables 3 Replace diskette drive 4 Replace the system board 602 Diskette Boot Record Error None Diskette in drive A not bootable Replace the diskette 605 Diskette Drive Type Error 2S Mismatch in drive...

Page 161: ...Failure None Hard drive format error Run the Configuration and Diagnostics utilities 1782 Disk Controller Failure None Hard drive circuitry error Run the Configuration and Diagnostics utilities 1790...

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Page 163: ...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 k...

Page 164: ...uter is connected to a power source Cables to the external power source are unplugged Ensure that cables connecting the computer and the external source are plugged in properly A PCI or ISA card that...

Page 165: ...ected or disable the write protection on the diskette 3 Writing to the wrong drive Check the drive letter in the path statement 4 Not enough space is left on the diskette Use another diskette to write...

Page 166: ...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...

Page 167: ...tlet Prints garbled information 1 The correct printer drivers for the application are not installed Install the correct printer driver for the application 2 The cables may not be connected properly Re...

Page 168: ...s Drive not found 1 Cable could be loose Check cable connections 2 The system may not have automatically recognized a newly installed device If Windows NT is installed run Computer Setup and identify...

Page 169: ...r 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 int...

Page 170: ...ugh the Computer Setup utility Run the Computer 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 se...

Page 171: ...y not be installed correctly Check that the memory modules have been installed correctly then run the Configuration utility Insufficient memory error during operation 1 Too many Terminate and Stay Res...

Page 172: ...o the incorrect connector 4 There is a problem with the cable or a device at the other end of the cable 5 The network controller is defective 6 Network controller interrupt or memory overlaps the inte...

Page 173: ...2 Ensure that the cable is securely attached to the network connector and that the other end of the cable is securely attached to the correct device 3 Run Computer Setup and modify the network contro...

Page 174: ...m Setting Base I O address 220H OPL III I O address 388 38Bh Interrupt IRQ 5 8 bit DMA Channel 1 To resolve hardware conflicts 1 Change the hardware settings of your audio card or the peripheral card...

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Compaq Deskpro 4000N - Desktop PC, Maintenance & Service Manual

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Summary of Contents for Deskpro 4000N - Desktop PC

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