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Compaq DESKPRO 1000 Maintenance & Service Manual

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  • Page 2 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.

  • Page 3: Table Of Contents

    Symbols and Conventions ...vii Technician Note...viii System Serial Number ...viii Locating Additional Information...viii chapter 1 Product Description 1.1 Compaq Deskpro 1000 Series of Personal Computer Models ...1-2 1.2 Features...1-3 1.3 System Design ...1-4 1.3.1 Design Overview ...1-4 1.4 Preloaded Software...1-5 1.5 Computer Features...1-5 1.5.1 Front Panel Controls and LEDs ...1-5...
  • Page 4 3.8 Miscellaneous Parts ...3-9 3.9 Shipping Boxes...3-9 3.10 Documentation ...3-9 chapter 4 Removal and Replacement Preliminaries 4.1 Electrostatic Discharge Information ...4-1 4.1.1 Generating Static...4-1 4.1.2 Preventing Electrostatic Damage to Equipment ...4-2 4.1.3 Personal Grounding Methods ...4-2 4.1.4 Grounding Workstations...4-3 4.1.5 Personal Grounding Equipment...4-3 4.1.6 Recommended Materials and Equipment ...4-4 4.2 Service Considerations ...4-4 4.2.1 Tools and Software Requirements ...4-4...
  • Page 5 chapter 6 Jumper Information 6.1 System Board Jumpers ...6-1 6.1.1 Power-On Password Jumpers (CPW) ...6-3 6.1.2 Flash EPROM Type Selection (EP)...6-4 6.1.3 CPU External Clock (Bus) Frequency (CLK) ...6-4 6.1.4 CPU to SRAM Data Transacting Mode Selection (SRAM)...6-5 6.1.5 Jumper Settings...6-5 6.1.6 Clearing Configuration ...6-5 6.1.7 Changing the Real-Time Clock (RTC) Battery ...6-5 6.2 Hard Drives ...6-6...
  • Page 6 appendix B Power Cord Set Requirements General Requirements ... B-1 Country-Specific Requirements ... B-2 appendix C Hard Drives Device 0/Device 1 Relationship... C-1 Cable Select ... C-1 IntelliSafe - SMART... C-1 Automatic Soft-Drive Types... C-2 Contents...

  • Page 7: Symbols And Conventions

    This Maintenance & Service Guide is a troubleshooting guide that 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.

  • Page 8: Technician Note

    Technician Note 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.

  • Page 9: Product Description

    RODUCT ESCRIPTION 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...

  • Page 10: Compaq Deskpro 1000 Series Of Personal Computer Models

    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. Configuration Code Processor BWF1 P55C/166 BWF2 P55C/200 All models have maximum expandable memory up to 256 MB.

  • Page 11: Features

    I/O ports Standard Table 1-2 Features Description Intel Pentium Processor with MMX Technology PCI/ISA 242-byte Standard VIA Apollo 590VP Flash memory device 1.44 3/3/1 Serial (2) Parallel USB (2) Monitor Keyboard Mouse Compaq Deskpro 1000 Series of Personal Computers 1-3 continued...

  • Page 12: System Design

    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.

  • Page 13: Preloaded Software

    Turns on when the diskette drive is reading or writing. Turns on when the computer is turned on. Turns on when the hard drive is reading or writing. Ejects a loaded diskette. Turns the computer on and off. Compaq Deskpro 1000 Series of Personal Computers...

  • Page 14: Drive Positions

    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 One 5.25-inch half-height drive bay for optional drive...

  • Page 15: 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 Monitor Connector Compaq Deskpro 1000 Series of Personal Computers...

  • Page 16: Enhanced Keyboard

    Enhanced Keyboard Figure 1-5. Enhanced Keyboard Ctrl Windows Logo Keys Windows Application Key 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 Product Description Used in combination with another key.

  • Page 17: Troubleshooting

    ROUBLESHOOTING This chapter provides troubleshooting information for the Compaq Deskpro 1000 Series of Personal Computers including: „ 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.
  • Page 18 Message Probable Cause The computer No system memory is present. Add system memory. beeps: the beep consists of continuous long beeps The computer A video error has occurred beeps: and the BIOS cannot initialize the beep consists of the video screen to display one long beep any additional information.
  • Page 19 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...

  • Page 20: Cmos Setup Utility

    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 system detects an error during POST and asks you to run the Setup utility.

  • Page 21: Preparing The Computer

    This section describes some simple, preliminary tests and guidelines for troubleshooting the computer without using diagnostics software. 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.

  • Page 22: Power Problems

    „ 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? 2.3.2 Power Problems...

  • Page 23: Diskette Drive Problems

    Windows 95, run SCANDISK. At the Start menu, highlight Programs, select Accessories, select System Tools, then SCANDISK. Remove the diskette from the drive and press any key. Check the cables for loose connections. Compaq Deskpro 1000 Series of Personal Computers...

  • Page 24: Display Problems

    2.3.4 Display Problems This section identifies some quick checks for display-related problems. Problem Screen is blank. Graphics colors are wrong. Characters are dim. Monitor does not function properly when used with the energy saver features. Blurry display or requested resolution cannot be set. The picture is broken up;...

  • Page 25: Printer Problems

    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...

  • Page 26: Hard Drive Problems

    2.3.6 Hard Drive Problems This section identifies some quick checks for hard drive–related problems. Problem Hard drive error occurs. Disk transaction problem. Drive not found. Nonsystem disk message. Hard drive operation seems slow. The hard disk files may be fragmented. 2-10 Troubleshooting Table 2-6...

  • Page 27: Hardware Installation Problems

    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...

  • Page 28: Cd-Rom Drive Problems

    2.3.8 CD-ROM Drive Problems This section identifies some quick checks for CD-ROM drive problems. Problem Cannot read compact disc. System will not boot from CD-ROM drive. Cannot eject compact disc (tray- load unit only). CD-ROM device is not detected; driver is not loaded. Some features may not be available on all models.

  • Page 29: Illustrated Parts Catalog

    ARTS This chapter provides an illustrated parts breakdown and a reference for spare parts for the Compaq Deskpro 1000 Series of Personal Computers. Figure 3-1. Compaq Deskpro 1000 Series of Personal Computers ATALOG Compaq Deskpro 1000 Series of Personal Computers...

  • Page 30: System Unit

    System Unit Figure 3-2. System Unit Description System unit cover Power supply, 200W (Includes fan) Drive Cage LED holder (reference only; part of Miscellaneous Plastics kit) Base pan (chassis assembly) Front bezel. (Includes power switch cap and bezel blanks) Feet (reference only; part of Miscellaneous Plastics kit) Illustrated Parts Catalog Table 3-1 System Unit Spare Parts...

  • Page 31: Mass Storage Devices

    Mass Storage Devices Figure 3-3. Mass Storage Devices Description 3.5-inch, 1.44-MB, diskette drive 1.6-GB hard drive Table 3-2 Mass Storage Devices Spare Part Number 333817-001 333816-001 Compaq Deskpro 1000 Series of Personal Computers Warranty Tier...

  • Page 32: Cables

    Cables Figure 3-4. Cables Description Miscellaneous cable kit includes: Cable, diskette drive Cable, hard drive Cables, LED: hard drive and power Cable, power, APD Cable, power, EMEA* Cable, power, ANZ* Cable, power, LA, Thailand, Taiwan* Cable, power, PRC* *Not shown Illustrated Parts Catalog Table 3-3 Cables...

  • Page 33: Standard And Optional Boards

    Microprocessor, P55C/200 MHz, with thermal pad Microprocessor, P55C/166 MHz, with thermal pad* *Not shown Video board design varies by model. Table 3-4 Standard and Optional Boards Spare Part Number 333814-001 285734-001 333820-001 333822-001 333821-001 240181-002 240181-001 Compaq Deskpro 1000 Series of Personal Computers Warranty Tier...

  • Page 34: Keyboards

    Keyboards Figure 3-6. Keyboard Description Arabic* BHCSY (Bosnia-Herzegovina, Croatia, Slovenia, and Yugoslavia)* Brazilian Portuguese* Czech* French* Hungarian* International Korean (Hanguel)* LA Spanish* Russian* Slovakian* Taiwanese* Thai* Turkish* * Not shown Illustrated Parts Catalog Table 3-5 Keyboards Spare Part Number 333828-171 333828-B41 333828-201 333828-221...

  • Page 35: Miscellaneous Hardware Kit

    Slot Cover (2 each) I/O Panel M3x0.5P-5mm screws (25 each)* #6-32UNC ¼-inch hex screws (25 each)* Hex screw locks (25 each)* * Not shown Table 3-6 Miscellaneous Hardware Kit Spare Part Number 333832-001 Compaq Deskpro 1000 Series of Personal Computers Warranty Tier...

  • Page 36: Miscellaneous Plastics Kit

    Miscellaneous Plastics Kit Figure 3-8. Miscellaneous Plastics Kit Description Miscellaneous plastics kit, includes: LED Holder Card guide System board standoff (2 each) Cable twist Bezel blank, 5.25-inch Feet (4 each) * Not shown Illustrated Parts Catalog Table 3-7 Miscellaneous Plastics Kit Spare Part Number 333831-001 Warranty Tier...

  • Page 37: Miscellaneous Parts

    Table 3-8 Miscellaneous Parts Spare Part Number Warranty Tier 298792-001 234556-001 333825-001 333827-001 Table 3-9 Shipping Boxes Spare Part Number Warranty Tier 333840-001 Table 3-10 Documentation Spare Part Number 333835-001 333836-001 333837-001 Compaq Deskpro 1000 Series of Personal Computers Warranty Tier...

  • Page 38: Removal And Replacement Preliminaries

    Relative Humidity 35,000 V 12,000 V 6,000 V 2,000 V 11,500 V 14,500 V 26,500 V 21,000 V Compaq Deskpro 1000 Series of Personal Computers 15,000 V 7,500 V 5,000 V 3,000 V 800 V 400 V 700 V 400 V...

  • Page 39: Preventing Electrostatic Damage To Equipment

    4.1.2 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. „ To avoid hand contact, transport products in static-safe containers such as tubes, bags, or boxes.

  • Page 40: Grounding Workstations

    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...

  • Page 41: Recommended Materials And Equipment

    „ Flat-bladed screwdriver „ Diagnostics software 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...

  • Page 42: Screws

    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 the part that was removed, then returned to their proper locations.

  • Page 43: Removal And Replacement Procedures

    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, 1 and also on the rear of the chassis to the left of and above the expansion slot area.

  • Page 44: Disassembly/Assembly Sequence

    Disassembly/Assembly Sequence Computer Feet Preparation for Disassembly System Unit Cover 5.10.1 5.10.2 5.11 5.12 5.13 5.18 5.19.2 Removal and Replacement Procedures Expansion Board 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...

  • Page 45: Feet

    3. Disconnect the power cord from the electrical outlet and then from the computer. 4. Disconnect all peripheral devices from the computer. During disassembly, label each cable as you remove it, noting its position and routing. Compaq Deskpro 1000 Series of Personal Computers...

  • Page 46: System Unit Cover

    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: Three dedicated 32-bit PCI (Peripheral Component Interconnect) expansion slots One PCI/ISA shared expansion slot Three dedicated 32-bit ISA (Industry Standard Architecture) expansion slots Figure 5-4.
  • Page 47 2. Remove the system unit cover (Section 5.5). 3. Remove the screw securing the expansion board to the chassis. 4. Pull the board out of the slot. Figure 5-5. Removing a Board To replace a board, reverse the previous procedure. Compaq Deskpro 1000 Series of Personal Computers...

  • Page 48: Expansion Board Guide

    Expansion Board Guide 1. Perform preparation procedures (Section 5.4). 2. Remove the system unit cover (Section 5.5). 3. Remove all expansion boards from the computer (Section 5.6). 4. Press in on the two plastic clips 1 on the right side of the guide. The guide will pop out of the chassis.

  • Page 49: System Board

    7. Pull the board forward about one-half inch, then lift it up and out of the chassis. Figure 5-7. Removing the System Board To replace the system board, reverse the previous procedure. Compaq Deskpro 1000 Series of Personal Computers...

  • Page 50: Graphics Memory

    Graphics Memory 1. Perform preparation procedures (Section 5.4). 2. Remove the system unit cover (Section 5.5). 3. Remove the video graphics board and place on a protected surface (Section 5.6). 4. Install the two 512-KB memory upgrade modules, making sure that the modules are firmly seated.

  • Page 51: Memory Modules

    SIMM 3 & 4 (Bank 1) 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...
  • Page 52 Total System SIMM 3 & 4 Memory, MB (Bank 1) 4 & 4 4 & 4 8 & 8 8 & 8 16 & 16 16 & 16 32 & 32 32 & 32 64 & 64 64 & 64 5-10 Removal and Replacement Procedures Table 5-1...

  • Page 53: Installing A Simm Module

    9. Test the system (optional) using a diagnostics software. 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. Compaq Deskpro 1000 Series of Personal Computers...

  • Page 54: Installing A Dimm Module

    8. Test the system (optional) using a diagnostics software. 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. 5-12...

  • Page 55: Power Supply

    7. Lift the power supply up until it hits the lip of the chassis. 8. 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...

  • Page 56: Microprocessor

    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.
  • Page 57 4. Replace the system unit cover. 5. Plug in the computer power cord. 6. Turn on the computer. 7. 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...

  • Page 58: Active Heat Sink (P55C/200)

    5.12.2 Active 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.
  • Page 59 5. Replace the system unit cover. 6. Plug in the computer power cord. 7. Turn on the computer. 8. 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...

  • Page 60: Front Bezel Assembly

    5.13 Front Bezel Assembly To remove the bezel: 1. Perform preparation procedures (Section 5.4). 2. Remove the system unit cover (Section 5.5). 3. From the inside the chassis, push the release latches 1 in and push the top of the bezel out and away from the chassis to release the bezel at those points.

  • Page 61: Led Retainer Assembly

    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...

  • Page 62: Led Cables

    5.15 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.

  • Page 63: Power Button

    4. From the rear of the front bezel, depress the tabs on each side of the power button; the button with its spring will come out 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...

  • Page 64: Bezel Blank

    5.17 Bezel Blank 1. Perform preparation procedures (Section 5.4). 2. Remove the system unit cover (Section 5.5). 3. Remove the front bezel (Section 5.13). 4. With the front bezel in an upright position, press the tabs on the side of the bezel blank towards the center of the blank and push the bezel blank out of the front of the bezel.

  • Page 65: Replacement Battery

    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. It is important to store your CMOS settings before you install a new battery. To...

  • Page 66: Mass Storage Devices

    Appendix C, “Hard Drives.” 5.19.1 Drive Positions The Compaq Deskpro 1000 Series of Personal Computers supports up to five drives, including: 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 One external 5.25-inch half-height bay for optional drive...

  • Page 67: Drive Cage

    5. 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. 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...

  • Page 68: 3.5-Inch Drive

    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. 1.

  • Page 69: Inch Drive

    6. 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 Deskpro 1000 Series of Personal Computers 5-27...

  • Page 70: Jumper Information

    UMPER NFORMATION This chapter provides information for system board jumpers and hard drives for the Compaq Deskpro 1000 Series of Personal Computers. 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.
  • Page 71 Figure 6-1. Locating the Jumpers System Board ID EP1, EP2 CLK1, CLK2, CLK3 FREQ1, FREQ2, FREQ3 SRAM Jumper Information Table 6-1 System Board Jumpers Function Description Clear Password Allows you to set the password configuration to enabled or disabled. You may need to enable this jumper if you forget your password.

  • Page 72: Power-On Password Jumpers (Cpw)

    5. Remove the jumper from the single pin and reinstall it over both pins. 6. Leave the jumper on for approximately 60 seconds. 7. Remove the jumper from both pins and reinstall on a single pin. 8. Replace the computer cover. 9. Restart the computer. Compaq Deskpro 1000 Series of Personal Computers...

  • Page 73: Flash Eprom Type Selection (Ep)

    6.1.2 Flash EPROM Type Selection (EP) The EP1 and EP2 jumpers allow you to configure the Flash EPROM chip: Flash EPROM 1M * *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.

  • Page 74: Cpu To Sram Data Transacting Mode Selection (Sram)

    Refer to Chapter 5, “Removal and Replacement Procedures,” for complete instructions on installing a replacement RTC battery. Table 6-4 SRAM Pin Pairs Pin Pair Table 6-5 Pentium with MMX Technology System Board Jumper Settings CLK1 CLK2 CLK3 Compaq Deskpro 1000 Series of Personal Computers CPU Clock Rate FREQ1 FREQ2 FREQ3...

  • Page 75: Hard Drives

    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 1.6-GB EIDE hard drive are shown below. Figure 6-3. 1.6-GB EIDE Hard Drive Jumper Settings...

  • Page 76: Utilities

    Procedures.” 7.1.2 Important CMOS Settings 7.1.2.1 Standard CMOS Setup You can change the following settings in Standard CMOS Setup: „ Date and time „ Floppy disk drive types for drive A: and B: Compaq Deskpro 1000 Series of Personal Computers...

  • Page 77: Bios Features Setup

    „ Floppy mode support „ Bootup video display mode „ POST error handling selections „ Hard disk configurations 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.

  • Page 78: Changing A Password

    After modifying the settings, press the Esc key to return the main menu. For confirmation, enter the Standard CMOS Setup feature. 7.1.5 Save and Exit Setup To save the changed CMOS settings: Enter when prompted for the current password. Compaq Deskpro 1000 Series of Personal Computers...

  • Page 79: Exit Without Saving

    1. Press Esc to return to the main menu. 2. Press “Save and Exit Setup” The message “SAVE to CMOS and EXIT (Y/N)?” will appear at the center of the screen. 3. Press Y [ Enter ] to save the changes, or 4.

  • Page 80: Supported Resolutions

    Plug and Play monitor, you can set up the display manually. 7.3.1 Supported Resolutions Resolutions supported by the graphics controller installed on the Compaq LGX Personal Computer are presented in Chapter 8, “Specifications.” 7.3.2 Changing Monitor Type Manually in Windows 95 If you are using Windows 95, the operating system automatically recognizes all Plug and Play monitors.

  • Page 81: Specifications

    50 to 95 F -20 to 60 C -4 to 140 F 8% to 90% 8% to 90% 5% to 95% 5% to 95% 3048 m 10,000 ft 9144 m 30,000 ft 3.23 kg-cal/min 770 Btu/hr Compaq Deskpro 1000 Series of Personal Computers...
  • Page 82 Hardware IRQ System Function IRQ 0 Timer Interrupt (Not on ISA Bus) IRQ 1 Keyboard (Not on ISA Bus) IRQ 2 Interrupt Controller Cascade (Not on ISA Bus) IRQ 3 Serial Port (COM 2) IRQ 4 Serial Port (COM 1) IRQ 5 Enhanced Business Audio* IRQ 6...
  • Page 83 0CF8 - 0CFF PCI Configuration Register 6000 - FFFF PCI Device I/O Space *All I/O addresses below 100 are reserved by the chipset even if they are not used. Table 8-4 System I/O Compaq Deskpro 1000 Series of Personal Computers...
  • Page 84 Size* Memory Address (Hex) 64 KB FFFFFFFFh to FFFF0000h 1504 MB FDFFFFFFh to A0000000h 510 MB 1FF00000h to 00100000h 64 K 000FFFFFh to 000F0000h 64 KB 000EFFFFh to 000E0000h 96 KB 000DFFFFh to 000C8000h 32 KB 000C7FFFh to 000C0000h 128 KB 000BFFFFh to 000A0000h 640 KB 0009FFFFh to 00000000h...

  • Page 85: Drives

    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 1.44 Green One-third 94/94 Compaq Deskpro 1000 Series of Personal Computers...
  • Page 86 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 Logical Data Heads Logical Sectors per Track...

  • Page 87: Mouse

    No hard errors through 15 kV; specific performance depends on host system Table 8-9 Compaq Enhanced Keyboard Metric U.S. 4.0 cm 1.58 in 45.6 cm 17.95 in 16.8 cm 6.63 in 0.9 kg 1.98 lb Compaq Deskpro 1000 Series of Personal Computers...

  • Page 88: Supported Graphics Resolutions

    Supported Graphics Resolutions Resolution 1280 × 1024 1024 × 768 800 × 600 640 × 480 Specifications Table 8-10 Supported Graphics Resolutions S3 Trio64V2/DX Graphics Card 1-MB DRAM 2-MB DRAM 16 @ 75 Hz 256 @ 75 Hz 256 @ 85 Hz 64K @ 75 Hz 655K @ 85 Hz 16.7M @ 75 Hz...

  • Page 89: Connector Pin Assignments

    This appendix contains the pin assignments for all external connectors: Connector Connector SSIGNMENTS Table A-1 Keyboard Signal Data Unused Ground +5 VDC Clock Unused Table A-2 Mouse Signal Data Unused Ground +5 VDC Clock Unused Compaq Deskpro 1000 Series of Personal Computers...
  • Page 90 Connector Connector Connector Pin Assignments Table A-3 Parallel Interface Signal Strobe# Data 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#...
  • Page 91 Ground Analog Ground Analog Ground Analog Not Connected Ground Monitor ID Bit 0 Bidirectional Data (SDA)* Horizontal Sync Vertical Sync Data Clock (SCL)* Table A-6 USB Connector Signal - Data + Data Ground Compaq Deskpro 1000 Series of Personal Computers...
  • Page 92 Connector Pin Assignments Table A-7 IDE Drive Cable Signal RESDRV (KEY) DREQ Signal IOCHRDY CABLE SELECT IO16 PDIAG CS1FX CS3FX DASP AUDIO_R AUDIO_L A_GND_R A_GND_L +5VMOT1 +5VMOT2 +5VMOT3 +5VMOT4 +5VMLOG1 +5VMLOG2...

  • Page 93: Power Cord Set Requirements

    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. EQUIREMENTS Compaq Deskpro 1000 Series of Personal Computers...

  • Page 94: Country-Specific Requirements

    Country-Specific Requirements Country Australia Austria Belgium Canada Denmark Finland France Germany Italy Japan Norway Sweden Switzerland United Kingdom United States NOTES: 1. The flexible cord must be <HAR> Type HO5VV-F, 3-conductor, 1.0 mm 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.

  • Page 95: Appendix C Hard Drives

    (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 warns the user or the network administrator of an impending failure or crash of the hard drive.

  • Page 96: Automatic Soft-Drive Types

    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.
  • Page 97 Alt key, 1-8 architecture, 1-3 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 cable select description, C-1 cables, 4-5 and connectors, 4-5 illustrated, 3-4 removal and replacement, spare part numbers, 3-4 cache, 1-3 CD-ROM cable connector pin assignments,...
  • Page 98 troubleshooting, 2-11 hardware installation troubleshooting, 2-11 I/O ports, 1-3 Illustrated Parts Map, viii information, locating additional, viii IntelliSafe, C-1 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...
  • Page 99 serial interface pin assignments, A-2 serial number, 5-1 service considerations, 4-4 setup password, 7-2 changing, 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, software preloaded, 1-5 required for service, 4-4...

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Deskpro 1000 series

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