Compaq AP400 Maintenance And Service Manual
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Compaq AP400 Maintenance And Service Manual

Professional workstation
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Professional Workstation AP400

Maintenance and Service Guide
Third Edition (March 1999)
Part Number 317792-003
Spares Part Number 327709-001
Compaq Computer Corporation

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  • Page 1: Professional Workstation Ap400

    Professional Workstation AP400 Maintenance and Service Guide Third Edition (March 1999) Part Number 317792-003 Spares Part Number 327709-001 Compaq Computer Corporation...
  • Page 2 WARRANTIES OF MERCHANTABILITY, FITNESS FOR PARTICULAR PURPOSE, GOOD TITLE AND AGAINST INFRINGEMENT. This publication contains information protected by copyright. No part of this publication may be photocopied or reproduced in any form without prior written consent from Compaq Computer Corporation. 1999 Compaq Computer Corporation.

  • Page 3: Table Of Contents

    Accelerated Graphics Port (AGP) Graphics Controller ...........3-13 System Fan and Card Guide ....................3-14 Backplane Board........................3-15 Mass Storage Devices......................3-17 Drive Positions ........................3-17 5.25-inch Drives ......................3-18 Diskette Drive .........................3-20 Drive Cage........................3-22 Bay 4 ..........................3-23 Bay 5 ..........................3-29 Compaq Professional Workstation AP400 Maintenance and Service Guide...
  • Page 4 CD-ROM and DVD-ROM Drive (IDE) Problems ............4-11 Memory Problems ......................4-11 SCSI Problems ........................4-12 Network Problems......................4-12 Audio Hardware Conflicts....................4-13 Compaq Setup and Diagnostics Utilities.................4-14 Accessing the Compaq Setup and Diagnostics Utilities Menu ........4-14 Diagnostic Error Codes......................4-18 Memory ...........................4-19 Keyboard .........................4-19 Microprocessor........................4-20 Printer..........................4-21 Diskette Drive .........................4-21...
  • Page 5 Zip Drive ..........................6-13 Chapter 7 Physical and Operating Systems System Unit ..........................7-2 200W Power Supply .........................7-8 Diskette Drive...........................7-9 CD-ROM Drive ........................7-10 DVD-ROM Drive........................7-12 Zip drive ..........................7-14 Hard Drives ..........................7-15 Audio System .........................7-20 Keyboard ..........................7-20 Compaq Professional Workstation AP400 Maintenance and Service Guide...
  • Page 6 Physical and Operating Systems continued Mouse .............................7-21 Graphics Controllers.......................7-22 Network ..........................7-25 RJ-45 Network Cable Specifications................7-25 Chapter 8 External Connectors Physical Location ........................8-1 Pin Assignments ........................8-2 Index...

  • Page 7: About This Guide

    NOTE: Presents commentary, sidelights, or interesting points of information. Compaq Technician Notes 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 8 viii About This Guide WARNING: To reduce the risk of electric shock or damage to the equipment: If the system has multiple power supplies, disconnect power from the system by unplugging all power cords from the power supplies. Do not disable the power cord grounding plug. The grounding plug is an important safety feature.

  • Page 9: Where To Go For Additional Help

    In Canada, call 1-800-263-5868 For Compaq technical support: In the United States and Canada, call 1-800-386-2172 For Compaq technical support phone numbers outside the United States and Canada, visit the Compaq website at: http://www.compaq.com Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 10: Illustrated Parts Catalog

    This chapter provides an illustrated parts breakdown and a reference for spare parts for the Compaq Professional Workstation AP400. Mechanical Parts Figure 1-1. Exploded view of the Compaq Professional Workstation AP400 mechanical parts Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 11: System Components

    Illustrated Parts Catalog System Components Figure 1-2. Exploded view of the Compaq Professional Workstation AP400 system components...

  • Page 12: Spares Parts List

    Intel Pentium III Processor, 500/100 MHz, 512K with heatsink 116402-001* Power Module (Voltage Regulator) for 350/400/450 MHz Processors 327660-001 Power Module (Voltage Regulator) for 350/400/450/500 MHz Processors 329267-001* Lock Security Bracket 199109-001* External Battery 160274-001 Continued Compaq Professional Workstation AP400 Maintenance and Service Guide...
  • Page 13 Illustrated Parts Catalog Spares Parts List - Compaq Professional Workstation AP400 Continued Reference Description Spares Part # SYSTEM Expansion Board Slot Cover 141081-001 Power Switch and LEDs with Cable 327655-001 MEMORY 32-MB Memory Module (Registered 100-MHz SDRAM) 317747-001* 64-MB Memory Module (Registered 100-MHz SDRAM)
  • Page 14 Spares Parts List - Compaq Professional Workstation AP400 Continued Reference Description Spares Part # CABLE KITS Miscellaneous Signal Cable Kit (CD-ROM, HD, Diskette) 327649-001 CD-ROM Audio Cable 171139-001* SCSI Cable, Wide 297511-001 SCSI Cable, Wide Ultra2, 4-device 402226-001* SCSI Adapter, 50- to 68-Pin (internal)
  • Page 15 Illustrated Parts Catalog Spares Parts List - Compaq Professional Workstation AP400 Continued Reference Description Spares Part # GRAPHICS Fire GL 4000 Graphics Controller 298797-001* GLoria Synergy+ Graphics Controller (AGP) 327599-001 4-MB Memory Upgrade (GLoria Synergy+) 327600-001* GLoria Synergy Graphics Controller (PCI)
  • Page 16 Spares Parts List - Compaq Professional Workstation AP400 Continued Reference Description Spares Part # COMMUNICATIONS Compaq Fast Ethernet NIC NC3120 317606-001* Compaq Ethernet NIC NC1120 317358-001* Compaq Fast Ethernet NIC NC3161 323556-001* SOFTWARE Magellan Driver CD 297863-001* Spaceball Driver CD 298033-001* Microsoft Windows NT Workstation 4.0 CD...

  • Page 17: Service Preliminaries

    IMPORTANT: Adherence to the procedures and precautions described in this chapter is essential for proper service. Preliminary Warnings and Cautions The following should be noted when operating or servicing the Compaq Professional Workstation AP400: WARNING: To reduce the risk of electric shock or damage to the equipment: If the system has multiple power supplies, disconnect power from the system by unplugging all power cords from the power supplies.

  • Page 18: Electrostatic Discharge Information

    Service Preliminaries IMPORTANT: Any indications of component replacement or printed wiring board modifications may void any warranty. Electrostatic Discharge Information A discharge of static electricity can damage static-sensitive devices or microcircuitry. Proper packaging and grounding techniques are necessary precautions to prevent damage. To prevent electrostatic damage, observe the following precautions: Transport products in static-safe containers such as conductive tubes, bags, or boxes.

  • Page 19: Tools And Software Requirements

    Flat-blade screwdriver Compaq Setup and Diagnostics Utility IMPORTANT: Before servicing the workstation, be sure that the drivers for the latest Compaq Workstation Support Software for Windows NT are installed. See Chapter 4 for installation procedures. Warranty Information The workstation comes standard with the following warranties: Standard Warranty—A three-year limited warranty that covers three years on parts, one...

  • Page 20: Removal And Replacement Procedures

    For asset control, the serial number is also embedded in the EPROM on the system board with tray. If the system board with tray is replaced with a spare part from Compaq, an invalid serial number condition will be reported during POST. To clear the condition, reenter the original serial number through Computer Setup.

  • Page 21: Service Preparations

    Service Preparations CAUTION: The power supply in the Compaq Professional Workstation AP400 has an auxiliary power section. This section is always active as long as the unit is plugged into a live AC outlet. Be sure to turn off the switch and unplug the power cord before performing any service work.

  • Page 22: Workstation Cover

    Perform the service preparations described on page 3-2. If the cable lock mechanism is installed, remove it. Loosen the three thumbscrews on the back of the workstation. Figure 3-3. Loosening the thumbscrews on the workstation cover Compaq Professional Workstation AP400 Maintenance and Service Guide...
  • Page 23 Removal and Replacement Procedures Rotate the workstation cover up, remove the front lip of the cover from under the front bezel, and lift off the cover. Figure 3-4. Removing the workstation cover WARNING: To reduce the risk of personal injury from hot surfaces, allow the internal system components to cool before touching.

  • Page 24: Front Bezel

    Remove the workstation cover. From the inside of the unit, push up on the top release levers and push down on the bottom release levers. Figure 3-5. Locating the front bezel release levers Compaq Professional Workstation AP400 Maintenance and Service Guide...
  • Page 25 Removal and Replacement Procedures Pull the bezel straight out and away from the chassis. IMPORTANT: When separating the bezel from the chassis, be sure to pull it straight out to avoid the push button on the diskette drive. Figure 3-6. Removing the front bezel To replace the front bezel: Line up the release levers at the top of the bezel with the appropriate slots on the front of the chassis.

  • Page 26: Blank Bezel

    Push the blank bezel out through the inside of the front bezel . Figure 3-7. Removing the blank bezel To replace the blank bezel and reassemble the workstation, reverse the above steps. Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 27: Emi Shield

    Removal and Replacement Procedures EMI Shield If your system has an EMI shield, remove it by completing the following steps: Perform the service preparations on page 3-2. Remove the following components: workstation cover front bezel hard drive from bay 5 (if installed) Remove the two screws that connect the EMI shield to the drive cage.

  • Page 28: Speaker

    Remove the workstation cover. CAUTION: The power supply in the Compaq Professional Workstation AP400 contains an auxiliary power section. Be sure the power switch is off and the unit is unplugged before removing the I/O bracket assembly in the next step.

  • Page 29: Important Guidelines For I/O Bracket Assembly Replacement

    3-10 Removal and Replacement Procedures Grasp the I/O bracket assembly and pull it up and out of the chassis. Figure 3-10. Removing the I/O bracket assembly Important Guidelines for I/O Bracket Assembly Replacement To replace the I/O bracket assembly (expansion board bracket), you MUST follow these steps: Grasp the assembly and insert it into the chassis and connector on the system board with tray.

  • Page 30: Graphics Controllers

    Slide the graphics controller out of the expansion slot. CAUTION: If you permanently remove the graphics controller or an expansion board, install a protective slot cover to ensure proper cooling. Figure 3-11. Removing the graphics controller (half-length) Compaq Professional Workstation AP400 Maintenance and Service Guide...
  • Page 31 3-12 Removal and Replacement Procedures Figure 3-12. Removing a graphics controller (full length) To replace the graphics controller and reassemble the workstation, reverse the above steps. Be sure to engage the card guide located behind the fan when replacing a full-length graphics controller.

  • Page 32: Accelerated Graphics Port (Agp) Graphics Controller

    NOTE: The system board with tray is shown out of the chassis and without the I/O bracket assembly for clarity. To replace the AGP graphics controller and reassemble the workstation, reverse the above steps. NOTE: Make sure that you press the graphics controller firmly into place. Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 33: System Fan And Card Guide

    3-14 Removal and Replacement Procedures System Fan and Card Guide To remove the system fan and card guide: Perform the service preparations described on page 3-2. Remove the following components: workstation cover I/O bracket assembly (expansion board bracket) graphics controller (if installed) Disconnect the fan cable from the backplane board (riser card) and disengage the cable from the clip on the backplane board.

  • Page 34: Backplane Board

    Figure 3-15. Overview of PCI/ISA expansion slots Table 3-1 PCI/ISA Slots Reference PCI slot PCI slot PCI slot ISA slot PCI slot ISA slot *Slots 3 and 4 are shared. They cannot be used simultaneously. Compaq Professional Workstation AP400 Maintenance and Service Guide...
  • Page 35 3-16 Removal and Replacement Procedures To remove the backplane board: Perform the service preparations described on page 3-2. Remove the following components: workstation cover I/O bracket assembly fan cable PCI graphics controller (if installed) expansion boards (if installed) Remove the two T-15 screws that secure the backplane board to the I/O bracket assembly. Remove the backplane board from the I/O bracket assembly.

  • Page 36: Mass Storage Devices

    Compaq Professional Workstation AP400. Drive Positions The Compaq Professional Workstation AP400 can house up to five mass storage devices. The following illustration identifies the physical drive locations. See the corresponding table for a list of the recommended drive configurations.

  • Page 37: 5.25-Inch Drives

    3-18 Removal and Replacement Procedures 5.25-inch Drives To remove a 5.25-inch drive: Perform the service preparations described on page 3-2. Remove the following components: workstation cover front bezel hard drive from bay 5 (if installed) NOTE: If there is a hard drive in bay 5, you must remove it to access the mounting holes for the retaining screws securing the drive assembly.
  • Page 38 Improper cable placement can damage the computer. CAUTION: Do not route cables near the intake of the power supply. Cables routed in this manner may block airflow to the power supply causing it to overheat. Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 39: Diskette Drive

    3-20 Removal and Replacement Procedures Diskette Drive Before beginning the removal procedure, make sure there is no diskette in the drive. NOTE: A standard hard drive in bay 2 can be removed using the same steps used to remove a diskette drive.
  • Page 40 To replace the diskette drive, the drive cage, and reassemble the workstation, reverse the above steps. CAUTION: Use only 3/16-inch or 5-mm long screws. Longer screws can damage the internal components of the drive. Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 41: Drive Cage

    3-22 Removal and Replacement Procedures CAUTION: When servicing the workstation, make sure cables are placed in their proper locations during the reassembly process. Improper cable placement can damage the computer. CAUTION: Do not route cables near the intake of the power supply. Cables routed in this manner may block airflow to the power supply, causing it to overheat.

  • Page 42: Bay 4

    Bay 4 supports both 3.5-inch and 5.25-inch devices. For a 3.5-inch device, a special mounting bracket is required. NOTE: Compaq does not support mixing IDE and SCSI hard drives. Installing a 3.5-inch device NOTE: This procedure describes the installation of a 3.5-inch hard drive. The same procedure can be used for installing any 3.5-inch device in bay 4.
  • Page 43 3-24 Removal and Replacement Procedures Install one metric guide screw into the front hole on the left side of the bracket. The guide screw is used to align the bracket in the drive bay. Insert the drive assembly into the drive bay. Make sure the guide screw aligns with the slot in the drive bay.
  • Page 44 10. Replace the front bezel and the workstation cover. To remove a 3.5-inch device from Bay 4, reverse the above steps. NOTE: The system recognizes a Compaq hard drive and automatically reconfigures the computer. Installing a 5.25-inch device NOTE: If you are removing or installing a 10K RPM hard drive, see “Removing and Replacing a...
  • Page 45 3-26 Removal and Replacement Procedures Connect the cables to the rear of the drive. CAUTION: When servicing the workstation, make sure cables are placed in their proper locations during the reassembly process. Improper cable placement can damage the computer. CAUTION: Do not route cables near the intake of the power supply.
  • Page 46 2 and power cables 3 from rear of hard drive. Figure 3-27. Disconnecting signal and power cables Remove the retaining screws 1, then remove the bracket/hard drive assembly 2. Figure 3-28. Removing bracket/hard drive assembly from Bay 4 Compaq Professional Workstation AP400 Maintenance and Service Guide...
  • Page 47 3-28 Removal and Replacement Procedures Remove the retaining screws 1, then remove the inner hard drive bracket from the mounting bracket 2. Remove the retaining screws from the inner bracket 3 and slide the hard drive from the bracket 4. Figure 3-29.

  • Page 48: Bay 5

    Bay 5 is located inside the chassis to the right of the drive cage. Installation and removal procedures are unique for this bay. NOTE: Compaq does not support mixing IDE and SCSI hard drives. To install a hard drive in bay 5: Perform the service preparations described on page 3-2.

  • Page 49: Removal And Replacement Procedures Continued

    3-30 Removal and Replacement Procedures Secure the hard drive with the four screws provided on the bracket. Figure 3-31. Installing a hard drive in the hard drive mounting bracket Install the hard drive/bracket assembly by sliding it toward the front of the workstation . Make sure to engage the tab on the back of the bracket in the slot provided on the side of the drive cage.
  • Page 50 Figure 3-33. Connecting the signal and power cables to a hard drive 10. Replace the workstation cover. To remove a hard drive from Bay 5, reverse the above steps. Compaq Professional Workstation AP400 Maintenance and Service Guide...
  • Page 51 3-32 Removal and Replacement Procedures Removing and Replacing a 10K RPM Hard Drive in Bay 5 To remove a 10K RPM hard drive from Bay 5: Perform the service preparations described on page 3-2. Remove the following components: workstation cover front bezel Disconnect the power cable leading from the hard drive to the power supply 1 and the signal 2 and power cable 3 from the rear of the hard drive.
  • Page 52 Remove the retaining screws 1, then remove the hard drive from the bracket 2. Figure 3-36. Removing the hard drive from bracket To install a new 10K RPM hard drive, replace the bracket assembly, and reassemble the workstation, reverse the above steps. Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 53: System Board Assembly

    3-34 Removal and Replacement Procedures System Board Assembly The system board assembly contains the DIMMs, Pentium II or Pentium III processor/heat sink, processor power module(s), system board with tray, the AGP Graphics Controller (if installed), and the external battery (if installed). Each component is spared separately. It is not necessary to fully remove the system board with tray from the chassis to replace system board components, but you must extend it from the chassis in order to access some components.
  • Page 54 Primary Processor Power Module Secondary Processor Power Module Slot Secondary Processor Slot Primary Processor SW1 Switch DIMM Sockets 1 - 4 AGP Graphics Controller Connector 3-Pin Wake-On-LAN header (J28) Expansion Board Connector Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 55: System Board With Tray Removal And Replacement

    3-36 Removal and Replacement Procedures System Board With Tray Removal and Replacement CAUTION: Electrostatic discharge can damage electronic components. Be sure you are properly grounded before beginning any installation procedure. See “Electrostatic Discharge Information” in Chapter 2 for more information. To remove the system board with tray: Perform the service preparations described on page 3-2.
  • Page 56 Connect all cables to the new system board with tray. Replace the I/O bracket assembly and the workstation cover. IMPORTANT: Before replacing the I/O bracket assembly, read “Important Guidelines for I/O Bracket Assembly Replacement” earlier in this chapter. Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 57: Installing Scsi Devices

    3-38 Removal and Replacement Procedures Installing SCSI Devices All workstation models use three areas for connecting mass storage SCSI devices: internally with hard drive in the removable hard drive cage, internally with storage devices in the front panel drive bays, and externally with external storage devices. The workstation has an integrated Wide-Ultra SCSI controller that has one internal connector on the system board and one external connector on the rear panel.

  • Page 58: Guidelines For Optimizing Performance

    NOTE: The SCSI cable included with the workstation may look slightly different than the one pictured. When installing a Wide Ultra2 SCSI hard drive, a Wide Ultra2 SCSI cable is required (not shown). Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 59: Installing A Wide Ultra2 Scsi Controller

    3-40 Removal and Replacement Procedures Installing a Wide Ultra2 SCSI Controller If you have a Wide Ultra2 SCSI hard drive installed, you can enhance drive performance by installing an optional PCI Controller. NOTE: For best performance, do not mix Wide-Ultra and Wide Ultra2 SCSI hard drives on the same SCSI cable or channel.

  • Page 60: Dimms

    Bracket Assembly Replacement” earlier in this chapter. NOTE: The system recognizes memory upgrades and automatically reconfigures the workstation. Figure 3-41. Removing a DIMM To replace a DIMM and reassemble the workstation, reverse the above steps. Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 61: Important Guidelines For Dimm Installation

    3-42 Removal and Replacement Procedures Important Guidelines for DIMM Installation When installing DIMMs, you MUST follow these guidelines: Use only 32-, 64-, 128-, or 256-MB Registered 100-MHz Error Checking and Correcting (ECC) SDRAM DIMMs. DIMMs must have a 4-KHz refresh rate. DO NOT INSTALL DIMMS THAT DO NOT SUPPORT ERROR CHECKING AND CORRECTING (ECC).

  • Page 62: Dimm Installation

    IMPORTANT: Registered 100-MHz ECC SDRAM DIMMs must be used. Before installing additional DIMMs, read the previous section, “Important Guidelines for DIMM Installation.” The Compaq Professional Workstation AP400 supports Registered 100-MHz ECC SDRAM DIMMs. Additional DIMMs (32-, 64-, 128-, or 256-MB) are available to upgrade the memory.

  • Page 63: Processor And Heatsink

    3-44 Removal and Replacement Procedures Processor and Heatsink WARNING: To reduce the risk of personal injury from hot surfaces, allow the internal system components to cool before touching. To remove the processor and heatsink: Perform the service preparations described on page 3-2. Remove the following components: workstation cover I/O bracket assembly (expansion board bracket)

  • Page 64: Processor Power Module

    To replace the processor power module and reassemble the workstation, reverse the above steps. IMPORTANT: Before replacing the I/O bracket assembly, read “Important Guidelines for I/O Bracket Assembly Replacement” earlier in this chapter. Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 65: Upgrading The Processor

    3-46 Removal and Replacement Procedures Upgrading the Processor Compaq Professional Workstations ship with a 350-, 400-, or 450- MHz Pentium II processor or a 500-MHz Intel Pentium III processor installed on the system board with tray as the primary processor.
  • Page 66 Firmly press the primary processor power module and cable insulator into the power module connector. Secure the two latches on the connector. NOTE: The latches of the primary processor power module connector hold the cable insulator in place. Reassemble the workstation. Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 67: External Battery

    The lithium battery may explode if mistreated. The battery is soldered in and may not be removed. Do not abuse or disassemble. Use only replacement batteries supplied by Compaq Computer Corporation. CAUTION: Electrostatic discharge can damage electronic components. Be sure you are properly grounded before beginning any installation procedure.
  • Page 68 The grounding type plug is an important safety feature. To avoid the risk of electrical shock or damage to the equipment, do not disable this feature. 10. Turn on the workstation. Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 69: Power Switch And Led With Cables

    3-50 Removal and Replacement Procedures Power Switch and LED with Cables The power switch can be replaced without removing the power supply. To remove the power switch: Perform the service preparations described on page 3-2. Remove the following components: workstation cover hard drive bracket in bay 5 Figure 3-48.
  • Page 70 Connecting the power before replacing the computer cover can result in personal injury or equipment damage. IMPORTANT: Make sure that the voltage selector switch is in the correct voltage position. Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 71: Base Pan Cover

    3-52 Removal and Replacement Procedures Base Pan Cover To remove the base pan cover: Perform the service preparations desrcibed on page 3-2. Remove the following components: workstation cover front bezel I/O bracket assembly (expansion board bracket) system board with tray Turn the workstation on its end, with the front bezel end up.

  • Page 72: Base Pan Assembly

    I/O bracket assembly (expansion bracket assembly) hard drive bracket 5.25-inch drive (if installed) drive cage system board assembly power supply assembly base pan cover To replace or install a new base pan assembly, reverse the above steps. Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 73: Diagnostic Tools

    Chapter 4 Diagnostic Tools This chapter provides the following information to assist you when servicing the Compaq Professional Workstation AP400: Power-On Self-Test (POST) Compaq Setup and Diagnostics Utilities Error Codes ROMPaq Compaq Insight Manager Compaq Workstation Support Software for Microsoft Windows NT...

  • Page 74: Post Messages

    Error isolate the defective card, or 1. Verify the correct system ROM. 2. Flash the system ROM to the latest revision, if required. 3. Contact Compaq technical support. 102-System Board Failure None DMA, timers, etc. Replace the system board with tray.
  • Page 75 Internal temperature exceeds Turn off the workstation and let it Violation Detected specification cool. Check that computer air vents are not blocked and cooling fan is running. *L = Long, S = Short Continued Compaq Professional Workstation AP400 Maintenance and Service Guide...
  • Page 76 Diagnostic Tools POST Messages Continued Message Beeps* Probable Cause Recommended Action 1611-Fan Failure Detected None Fan(s) not functional Check that the fan(s) are not blocked and can rotate freely. Replace failing fan. 1720-IntelliSafe Hard Drive None IDE hard drive is about to fail Backup contents and replace hard Detects Imminent Failure drive.

  • Page 77: Troubleshooting Minor Problems

    In addition to the above checklist, see the next few sections for other possible solutions to: Power Problems Diskette Drive Problems Display Problems Printer Problems Hard Drive Problems Hardware Installation Problems IDE CD-ROM/DVD-ROM Drive Problems Memory Problems SCSI Problems Network Problems Audio Hardware Conflicts Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 78: Power Problems

    Diagnostic Tools Power Problems This section identifies some quick checks for power-related problems. Table 4-2 Solutions for Power Problems Problem Possible Solution Computer will not turn on. Make sure the workstation is connected to a power source. Make sure the processor(s) and terminator board are properly seated.

  • Page 79: Diskette Drive Problems

    A problem has occurred with a disk transaction. The directory structure is bad or there is a problem with a file. Non-system disk message. Remove the diskette from the drive. Drive not found. Check the cables for loose connections. Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 80: Display Problems

    Diagnostic Tools Display Problems This section identifies some quick checks for display-related problems. Table 4-5 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.

  • Page 81: Hardware Installation Problems

    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. Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 82: Hard Drive Problems

    4-10 Diagnostic Tools Hard Drive Problems This section identifies some quick checks for hard drive-related problems. The information provided by the diagnostics test includes error code, system serial number, drive serial number, drive model, and drive firmware revision. Specific details of the drive failure are not included.

  • Page 83: Cd-Rom And Dvd-Rom Drive (Ide) Problems

    Computer Setup utility. Insufficient memory error during operation. The system has run out of memory for the application. Check the memory requirements for the application or install additional memory. Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 84: Scsi Problems

    Solutions for Network Problems Problem Cause Solution System does not detect 1. Possible driver problem 1. Load latest version of Compaq Workstation Support a network controller. Software for Microsoft Windows NT. 2. Possible failed network controller 2. Replace system board with tray.

  • Page 85: Audio Hardware Conflicts

    If you are unsure of the settings of the peripheral cards, you can isolate the source of the problem by temporarily removing all cards. After that, add the cards back one at a time until the card that is causing the conflict is found. Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 86: Compaq Setup And Diagnostics Utilities

    4-14 Diagnostic Tools Compaq Setup and Diagnostics Utilities The Compaq Setup and Diagnostics utilities are located on the system partition, not in the ROM. The utilities include: Computer Setup Computer Checkup (TEST) View System Information (INSPECT) Create a Diagnostics Diskette Manage Diagnostics Partition Explanations and procedures for each utility are included later in this chapter.
  • Page 87 Power Management To run Computer Setup, follow these steps: Access the Compaq Utilities menu by restarting your workstation and pressing F10 when you see the words “F10=Setup” in the bottom-right corner of the screen. Select the desired language when prompted. Then press Enter to bypass the title and welcome screens.
  • Page 88 Turn on only the external devices that you wish to test. You may wish to leave the printer connected to log error messages. Access the Compaq Utilities menu by restarting your workstation and pressing F10 when you see the words “F10=Setup” in the bottom-right corner of the screen. Select the desired language when prompted.
  • Page 89 Miscellaneous To run INSPECT, follow these steps: Access the Compaq Utilities menu by restarting your workstation and pressing F10 when you see the words “F10=Setup” in the bottom-right corner of the screen. Select the desired language when prompted. Then press Enter to bypass the title and welcome screens.

  • Page 90: Diagnostic Error Codes

    Compaq Utilities menu. Diagnostic Error Codes Diagnostic error codes occur if the system recognizes a problem while running the Compaq Setup and Diagnostics utilities. These error codes help identify possibly defective subassemblies. Tables 4-12 through 4-24 list possible error codes, descriptions of each error condition, and actions required to resolve the error condition.

  • Page 91: Memory

    1. Check the keyboard connection. If disconnected, turn the computer off and connect the keyboard. 302-xx Individual key test failed. 2. Replace the keyboard and retest. 304-xx Keyboard repeat test failed. 3. Replace the system board with tray and retest. Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 92: Microprocessor

    4-20 Diagnostic Tools Microprocessor Table 4-14 Microprocessor Test Error Codes Error Code Description Recommended Action 101-xx CPU test failed. Replace the system board with tray and retest. 102-xx Coprocessor error. 1. Run Computer Checkup or Computer Setup and retest. 2. Replace the processor and retest. 103-xx DMA controller failed.

  • Page 93: Printer

    Diskette reset controller failed. 610-xx Diskette change line test failed. 697-xx Diskette type error. 698-xx Diskette drive speed not within limits. 699-xx Diskette drive/media error. 1. Replace media. 2. Run Computer Setup and Computer Checkup. Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 94: Serial Port

    4-22 Diagnostic Tools Serial Port Table 4-17 Serial Test Error Codes Error Code Description Recommended Action 1101-xx Serial port test failed. 1. Run Computer Setup or Windows NT utilities. 2. Replace the system board with tray and retest. Modem Table 4-18 Modem Communications Test Error Codes Error Code Description...

  • Page 95: Cd-Rom Or Dvd-Rom Drive (Ide)

    5. Replace the system board with tray and retest. 1906-xx Tape drive write/read/compare failed. Audio Table 4-22 Audio Test Error Codes Error Code Description Recommended Action 3206-xx Audio System Internal Error. Replace the system board with tray and retest. Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 96: Video

    4-24 Diagnostic Tools Video Table 4-23 Video Test Error Codes Error Code Description Recommended Action 501-xx Graphics controller test failed. The following error codes apply to error codes 501-xx through 516-xx: Video memory test failed. 1. Replace the monitor and retest. 502-xx 2.

  • Page 97: Network Interface

    4. Replace the system board with tray. 6054-xx Network configuration test failed. 6056-xx Network reset test failed. 6068-xx Network internal test failed. 6069-xx Network external test failed. 6089-xx Network open test failed. Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 98: Scsi Error Codes

    4-26 Diagnostic Tools SCSI Error Codes This section includes the error codes for the following SCSI devices: Hard drives CD-ROM and DVD-ROM drives Tape drives The SCSI error codes are written in the format AABB-CC and can be determined by looking up the respective parts of the code in the three corresponding tables numbered 4-25, 4-26, and 4-27.
  • Page 99 Replace the indicated device. XXXX-35 Invalid SCSI bus phase. Replace the indicated device. XXXX-36 Invalid SCSI bus phase. Replace the indicated device. XXXX-39 Error status from drive. Replace the indicated device. Continued Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 100: Upgrading The Rom

    2. Change autoloader magazine. Upgrading the ROM If the Compaq Professional Workstation AP400 does not have a Setup Password enabled, the ROM is not write-protected and unauthorized updates can occur. If you need or want to upgrade your system ROM, you can: Order an upgraded ROMPaq diskette from Compaq.

  • Page 101: Remote Rom Flash

    Remote ROM Flash The Compaq Professional Workstation AP400 offers Remote ROM upgrade capability. The following software is available for downloading from the Compaq website (www.compaq.com): Remote Management Setup (allows upgrading of the system ROM remotely; consists of...
  • Page 102 4-30 Diagnostic Tools Because there is no video or hard drive support from the Boot Block ROM, the keyboard lights communicate information. When the Boot Block detects an invalid system ROM, the system sounds a series of beeps (one long and three short) and flashes the three keyboard lights. To recover the system after hearing the FailSafe Boot Block beeps: Remove any diskettes from the diskette drive and turn off the power.

  • Page 103: Compaq Insight Manager

    If you have Windows NT Workstation, use only Windows NT agents of the Compaq Management CD. The Agents and the console are provided on the Compaq Management CD. Before installing the Insight Agents on the workstation, be sure to install SNMP service from the Microsoft Windows NT Workstation CD.

  • Page 104: Compaq Workstation Support Software For Microsoft Windows Nt

    Compaq Workstation Support Software for Microsoft Windows NT The Compaq Workstation Support Software for Microsoft Windows NT is a set of Compaq- specific drivers that enables the workstation to operate at optimum performance. The Workstation SSD for Windows NT is provided on the SmartStart for Workstations CD. Updates are available on the Compaq website (www.compaq.com) and also through subscription to the...

  • Page 105: Compaq Diagnostics For Windows Nt

    Compaq Diagnostics for Windows NT To install Compaq Diagnostics for Windows NT, refer to the Software Installation Guide. To use Compaq Diagnostics for Windows NT: Double-click the Compaq Diagnostics for Windows NT icon located in the Control Panel.

  • Page 106: System Security

    This chapter identifies and explains the following: Security Features Advanced Security Management Security Features The Compaq Professional Workstation AP400 is equipped with features that secure valuable components and system integrity. The following table identifies and explains the security features. Table 5-1...

  • Page 107: Setup Password

    Select the desired language when prompted. Then press Enter to bypass the welcome screens and display the Compaq Utilities menu. From the main menu, select Computer Setup and press Enter.
  • Page 108 When the key icon ( ) appears, type your current password followed by a slash (/) or alternate delimiter character: current password/ Compaq Professional Workstation AP400 Maintenance and Service Guide...
  • Page 109 System Security This will delete the password until you establish a new one through Security Management. NOTE: The Setup Password may also be deleted by using the Computer Setup utility. Follow the “Setup Password” procedure provided earlier in this chapter. Locate the Setup Password option and follow the instructions to delete the Setup Password.

  • Page 110: Power-On Password

    NOTE: You have approximately two seconds to press F10. If you do not press F10 during this time, you must restart the workstation to access the utility. Select the desired language when prompted. Then press Enter to bypass the welcome screens and display the Compaq Utilities menu. Compaq Professional Workstation AP400 Maintenance and Service Guide...
  • Page 111 System Security From the main menu, select Computer Setup, then press Enter. Select the Security Management feature under the Built-In Devices button. Locate the Power-on Password option and follow the instructions provided to enable it. Save the configuration and exit the utility. Entering a Power-on Password To enter the Power-on Password: Turn on the workstation.
  • Page 112 Remove the I/O bracket assembly to access SW1. On SW1, return switch 1 to its original default (OFF) position. 10. Reassemble the workstation. 11. Establish a new Power-on Password, if desired. Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 113: Windows Nt Workstation Password

    System Security Deleting a Power-on Password To delete the Power-on Password: Turn on the workstation. When the key icon ( ) appears, type: current password / where the slash (/) may be substituted with an alternate delimiter character specific to the keyboard you are using.

  • Page 114: National Keyboard Delimiter Characters

    Disable removable media boot ability Disable removable media write ability Communication (under Built-in Devices) Disable serial port Disable parallel port Security Management (under Built-in Devices) QuickLock Smart Cover Sensor Cable Lock Provision Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 115: Re-Enabling Diskette Boot Or Diskette Write

    5-10 System Security Re-enabling Diskette Boot or Diskette Write The workstation ships with the Diskette Boot or Diskette Write features enabled. If a user has disabled the factory settings that permit the workstation to boot from a diskette or to prohibit a user from saving data to a diskette, you may need to re-enable the features in order to service the workstation.

  • Page 116: Quicklock

    To re-enable the input device interface and access the application, you must enter the Power-on Password established in Security Management. To enable the QuickLock feature from the Compaq Utilities menu: Turn on the workstation. When you see the words “F10=Setup” in the bottom-right corner of the screen, press F10.

  • Page 117: Cable Lock Provision

    5-12 System Security Keyboard and Mouse Interface Once in an application, enter the QuickLock key combination (Ctrl+Alt+L). The keyboard and mouse (or other input device connected to the mouse connector) are disabled. The application cannot be accessed at this time, but remains in view. To enable the keyboard and input device connected to the mouse connector, enter the password.
  • Page 118 Cover removed messaged displayed. No Setup Password required. Press F1 to continue startup. Disabled Notify user No message displayed. No Setup Password required. Enabled Disabled No message displayed. No Setup Password required. Continued Compaq Professional Workstation AP400 Maintenance and Service Guide...
  • Page 119 5-14 System Security Smart Cover Sensor Continued SW1-S1 Setup Password Smart Cover Cover Removed Message Displayed Setting Sensor Enabled Disabled No message displayed. No Setup Password required. Enabled Notify user Cover removed message displayed. No Setup Password required. Press F1 to continue startup.

  • Page 120: Jumper And Switch Information

    Graphics Controllers Jumpers Figure 6-1. J5 jumper location on system board Table 6-1 J5 Jumper Settings Jumper Setting Function Description Battery External battery connection Battery External battery jumper Battery Internal battery jumper (default) Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 121: Switch Settings

    Jumper and Switch Information Switch Settings The following illustration shows the location of SW1, which controls the CPU/clock speed as well as the Power-on Password. S1 on SW1 enables the Power-on Password. The default is OFF. To reset the password, turn this switch ON.

  • Page 122: Hard Drives

    For Hot-Pluggable Drive Tray, connect including those not labeled. SCSI ID Cable to this Connector 2. Termination default is disabled/removed. Figure 6-3. Jumper positions for the 4.3-GB hard drive (WDE4360W) Compaq Professional Workstation AP400 Maintenance and Service Guide...
  • Page 123 Jumper and Switch Information 4.3 GB DDRS-34560 Drive Size: Model: SCSI ID Settings SCSI ID Bit 2 Bit 1 Bit 0 Pin 1 Jumper NOT Installed Jumper Installed Default Settings Pin 1 Signal Description Jumper Start Unit Command Enabled Printed Circuit Parity Enabled Board...

  • Page 124: 9.1-Gb Wide-Ultra Scsi Hard Drive

    NOTES: 1. All jumper and switch settings are shown in the factory default setting, including those not labeled. 2. Termination is disabled/removed. Figure 6-5. Jumper positions for the 9.1-GB hard drive (DDRS-39130) Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 125: 6.4-Gb Ultra Ata Hard Drives

    Jumper and Switch Information 6.4-GB Ultra ATA Hard Drives 6.4 GB ST36531A Drive Size: Model: IDE Settings Configuration Single (Standard Installation) Dual Master Dual Slave Cable Select (Shipping Configuration) Single (Neutral Position) Jumper NOT Installed Jumper Installed Figure 6-6. Jumper positions for the 6.4-GB hard drive (ST36531A)
  • Page 126 IDE Settings Configuration Single (Standard Installation) Dual Master Dual Slave Cable Select (Shipping Configuration) Single (Neutral Position) Jumper NOT Installed Jumper Installed Figure 6-7. Jumper positions for the 6.4-GB hard drive (AC36400-60LC) Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 127: 8.4-Gb Ultra Ata Hard Drive

    Jumper and Switch Information 8.4-GB Ultra ATA Hard Drive 8.4 GB ST38641A Drive Size: Model: IDE Settings Configuration Single (Standard Installation) Dual Master Dual Slave Cable Select (Shipping Configuration) Single (Neutral Position) Jumper NOT Installed Jumper Installed Figure 6-8. Jumper positions for the 8.4-GB hard drive (ST38641A)

  • Page 128: Gb Ultra Ata Hard Drive

    Device 0 (Slave) Jumper Setting for Cable Select Device 0 (Forcing Device 1 Present) Cable Select (Default) Jumper NOT Installed Jumper Installed Figure 6-9. Jumper positions for the 10.1-GB hard drive (DDTA-351010) Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 129: Cd-Rom Drive And Dvd-Rom Drive (Ide)

    6-10 Jumper and Switch Information CD-ROM Drive and DVD-ROM Drive (IDE) The jumper settings for the 32X Max CD-ROM drive and the DVD-ROM drive (IDE) are shown in the Figure below. C S M C S M C S M S L A S L A S L A...

  • Page 130: Fire Gl 4000 Graphics Controller

    Jumper positions for the Fire GL 4000 Graphics Controller Table 6-3 Fire GL 4000 Graphics Controller Jumper Settings Jumper Pins 1-2 Pins 2-3 On-board VGA enabled (Default) On-board VGA disabled* *Required only if using a separate VGA/EGA controller. Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 131: Powerstorm 300/Agp Graphics Controller

    6-12 Jumper and Switch Information PowerStorm 300/AGP Graphics Controller The jumper settings for the PowerStorm 300/AGP Graphics Controller are shown in the Figure below. Figure 6-12. Jumper positions for the PowerStorm 300/AGP Graphics Controller Table 6-4 Jumper Positions for the PowerStorm 300/AGP Graphics Controller Standard 15-pin VGA connector VGA enable/disable jumper VGA enabled (default)

  • Page 132: Zip Drive

    Jumper Setting IDE Settings for Cable Select Configuration Device 0 (Master) Device 1 (Slave) Cable Select (Default) Jumper NOT Installed Jumper Installed Figure 6-13. Jumper positions for the Zip drive Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 133: Physical And Operating Systems

    This chapter provides operating and performance specifications for the following Compaq Professional Workstation AP400 hardware: System Unit Power Supply Diskette Drive CD-ROM Drive DVD-ROM Drive Hard Drives Audio System Keyboard Mouse (3-button) Graphics Controllers Network Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 134: System Unit

    Physical and Operating Systems System Unit Table 7-1 System Specifications U. S. Metric Desktop Dimensions Height 5.25 in 13.34 cm Width 19.25 in 48.90 cm Depth 15.69 in 39.85 cm Weight (approximate) 35.65 lb 12.85 kg Power Supply Operating Voltage Range 90-132 VAC 180-264 VAC Rated Voltage Range...

  • Page 135: System Interrupts

    Unavailable (used for ACPI support) IRQ 10 Unused IRQ 11 PCI Interrupts IRQ 12 Mouse IRQ 13 Non-catastrophic errors / CPU error IRQ 14 Primary IDE Controller IRQ 15 Secondary IDE Controller Compaq Professional Workstation AP400 Maintenance and Service Guide...
  • Page 136 Physical and Operating Systems Table 7-3 System Direct Memory Access (DMA) Hardware DMA System Function DMA 0 PremierSound Audio DMA 1 Business Audio (Default; Alternate = DMA3, None) DMA 2 Diskette Drive DMA 3 ECP Parallel Port LPT1 (Default) DMA 4 DMA Controller Cascading (Not on ISA Bus) DMA 5 Unused...
  • Page 137 ISA PNP 278 - 27F Reserved Parallel Port 280 - 2E7 Unused 2E8 - 2EF Reserved Serial Port 2F0 - 2F7 Unused 2F8 - 2FF Modem (COM 2) 300 - 32F Unused Continued Compaq Professional Workstation AP400 Maintenance and Service Guide...
  • Page 138 Physical and Operating Systems System I/O Continued I/O Address (Hex) System Function (Shipping Configuration) 330 - 331 PremierSound Audio 332 - 36F Unused 370 - 377 Reserved (2nd Diskette Drive) 378 - 37F Parallel Port (Primary) 380 - 387 Unused 388 - 38B FM Synthesizer - OPAL 38C - 397...

  • Page 139: System Memory

    000DFFFFh to 000C0000h 128 KB Option ROM 000BFFFFh to 000A0000h 128 KB Video RAM 0009FFFFh to 00000000h 640 KB Base Memory 1 KB = 1024 bytes. Any memory above host memory is non-cacheable. Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 140: 200W Power Supply

    Physical and Operating Systems 200W Power Supply Table 7-6 200W Power Supply Specifications Input Specifications 115 Voltage Setting 230 Voltage Setting Rated Input Voltage 100 to 127 VAC 200 to 250 VAC Rated Input Current 5.5A 2.75A Rated Input Frequency 50 to 60 Hz 50 to 60 Hz General Specifications...

  • Page 141: Diskette Drive

    Low Density Tracks per Side High Density Low Density Read/Write Heads Average Access Time (ms) Track-to-Track (high/low) Average (high/low) 169/94 Latency Average (ms) Data Transfer Rate (Mbit/s) High/Low (To/From Media) 500/250 Kb/s Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 142: Cd-Rom Drive

    7-10 Physical and Operating Systems CD-ROM Drive Table 7-8 32X Max Tray-Load CD-ROM Drive (IDE) Disk Diameter 12 cm Capacity Mode 1 540 MB Mode 2 650 MB Disk Thickness 1.2 mm Track Pitch 1.6 m Performance Access Time Random Seek <100 ms Full Stroke Seek <150 ms...
  • Page 143 5 VDC +/-5% (typical) 450 mA 5 VDC =/-5% (maximum) 1800 mA 12 VDC +/-5% (typical) 600 mA 12 VDC =/-5% (maximum) 1800 mA Total Drive Power (Stand-by Mode) < 1 W Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 144: Dvd-Rom Drive

    7-12 Physical and Operating Systems DVD-ROM Drive Table 7-9 DVD-ROM Drive Disc Applicable Disc Formats DVD (Single and Double layer) CD-ROM (Mode 1 & 2) CD-DA CD-XA (Mode 2, Form 1 & 2) CD-I (Mode 2, Form 1 & 2) CD-I Ready, CD-Bridge, CD-R PhoteCD (Single &...
  • Page 145 350 mA (typical) <800 mA (maximum) <100 mA (low power mode) <10 mA (sleep mode) 12 VDC 500 mA (typical) <1000 mA (maximum) <100 mA (low power mode) <1 mA (sleep mode) Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 146: Zip Drive

    7-14 Physical and Operating Systems Zip drive Table 7-10 Zip Drive Performance Data Transfer Rate <11.2 Mbits/s (sustained) <88.9 Mbits/s (burst) Seek Time minimum 29.0 ms (including settling time) average 40 ms maximum 55.0 ms Latency 10.2 ms (average rotational delay) Spindle Speed 2941 rpm Track-to-Track Access Time...

  • Page 147: Hard Drives

    Full Stroke 15.0 ms Disk Rotation Speed 7200 rpm Cylinders 8419 Data Heads/Cylinder Sectors/Track 165 to 264 (8 zones) Buffer Size 384 KB NOTE: Drive performance may vary slightly depending upon the vendor. Compaq Professional Workstation AP400 Maintenance and Service Guide...
  • Page 148 7-16 Physical and Operating Systems Table 7-12 9.1-GB Wide-Ultra SCSI Hard Drive Capacity 9.13 GB Transfer Rate Media 13.6 to 21.3 MB/s Asynchronous 5.0 MB/s Synchronous Up to 40.0 MB/s Seek Time (typical) Single Track 1.6 ms Average 7.5 ms Full Stroke 15.0 ms Disk Rotation Speed...
  • Page 149 20.0 ms Disk Rotation Speed 5200 to 5400 rpm Cylinders 13328 Data Heads (Logical) Sectors/Track (Logical) Buffer Size 128 to 256 KB NOTE: Drive performance may vary slightly depending upon the vendor. Compaq Professional Workstation AP400 Maintenance and Service Guide...
  • Page 150 7-18 Physical and Operating Systems Table 7-14 8.4-GB Ultra ATA Hard Drive Capacity 8.4 GB Drive Type 65 (soft) Transfer Rate Media 83 to 140 MB/s Interface 33 MB/s Seek Time (typical) Single Track 1.7 ms Average 11.5 ms Full Stroke 20.2 ms Disk Rotation Speed 5400 rpm...
  • Page 151 18 s (Typical) 31 s (Maximum) Spin-down Time 20 s Average Latency 4.17 ms maximum Data Bytes Per Sector Total Number of LBAs 19,541,088 NOTE: Drive performance may vary slightly depending upon the vendor. Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 152: Audio System

    20-K ohms Speaker Frequency response 150 Hz to 15K Hz Data Types alaw 8-/16-bit 8-/16-bit mono/stereo 16-bit Keyboard Table 7-17 Compaq Enhanced Keyboard U.S. Metric Dimensions Height 1.3 in 3.3 cm Width 18.3 in 46.5 cm Depth 6.4 in 16.1 cm Weight 3.0 lb...

  • Page 153: Mouse

    Exceeds 1 million operations Exceeds 1 million operations Relative Humidity 10% to 90%, noncondensing No soft errors through 8 kV; no hard errors through 10 kV; specific performance depends on host system Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 154: Graphics Controllers

    7-22 Physical and Operating Systems Graphics Controllers Table 7-19 Matrox Millennium II Graphics Controller Maximum Color Support Double Buffer Mode Single Buffer Mode 16-Bit Z Buffer 32-Bit Z Buffer Resolution 1800 x 1440 - 65,536 65,536 65,536 1920 x 1200 - 65,536 16.7M 16.7M...

  • Page 155: Powerstorm 300 Graphics Controller

    800 x 600 16.7M 1024 x 768 16.7M 1152 x 864 16.7M 1280 x 1024 16.7M 1600 x 1200 16.7M 1920 x 1080 16.7M 1920 x 1200 16.7M 1800 x 1440 65,536 Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 156: Gloria Synergy+ Graphics Controller

    7-24 Physical and Operating Systems Table 7-24 GLoria Synergy+ Graphics Controller Maximum Color Support Resolutions Colors Colors Maximum refresh rate (Hz) 4-MB Standard 4-MB Standard with 4-MB upgrade 1920 x 1200 32,768 1920 x 1080 32,768 1600 x 1280 32,768 32,768 75/85 1600 x 1200...

  • Page 157: Network

    The RJ-45 connections use an unshielded twisted pair (UTP) cable of 22-, 24-, or 26-gauge. The cable must comply with the IEEE 802.3 10BASE-T standard. The maximum distance between the computer and the hub is 100 meters. Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 158: External Connectors

    Connects a microphone Mouse connector Connects to a mouse (green icon) Serial port connector Connects a serial device, such as a serial printer; COM 2 (B) on top, COM 1 (A) on bottom Continued Compaq Professional Workstation AP400 Maintenance and Service Guide...

  • Page 159: Pin Assignments

    External Connectors External Connectors Continued Reference Connector Function Video port (PCI) Connects a monitor (available on select models) Parallel port connector Connects a parallel device such as a printer Video Port (AGP) Connects a monitor (available on select models) USB connectors (2) Connects to USB devices RJ-45 connector Connects to the Ethernet network...
  • Page 160 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 18-25 Signal Ground Compaq Professional Workstation AP400 Maintenance and Service Guide...
  • Page 161 External Connectors Table 8-4 Connector and Icon Signal -Data +Data Ground Table 8-5 Ethernet RJ-45 Connector and Icon Signal 1 3 5 7 (+) Transmit Data 2 4 6 8 (-) Transmit Data (+) Receive Data Unused Unused (-) Receive Data Unused Unused Table 8-6...
  • Page 162 +DB0 Ground +BSY -DB0 -DB0 -BSY -BSY Ground +DB1 Ground +ACK -DB1 -DB1 -ACK -ACK Ground +DB2 Ground +RST -DB2 -DB2 -RST -RST Ground +DB3 Ground +MSG -DB3 -DB3 -MSG -MSG Continued Compaq Professional Workstation AP400 Maintenance and Service Guide...
  • Page 163 External Connectors Wide Ultra and Wide Ultra2 SCSI Connector Continued Signal Name Signal Name Signal Ended Mode LVD Mode Signal Ended Mode LVD Mode Ground +DB4 Ground +SEL -DB4 -DB4 -SEL -SEL Ground +DB5 Ground +C/D -DB5 -DB5 -C/D -C/D Ground +DB6 Ground...
  • Page 164 17 - 18 TERMPWR Reserved Reserved Ground 20 - 34 Ground -ATN -D12 Ground -D13 -BSY -D14 -ACK -D15 -RST -DP1 -MSG -SEL -C/D -REQ -I/O -D10 -D11 -DP0 49 - 50 Ground Compaq Professional Workstation AP400 Maintenance and Service Guide...
  • Page 165 External Connectors Table 8-12 Monitor Connector and Icon Signal Red Analog Green Analog 15 14 13 12 11 Blue Analog Monitor ID Bit 2 Ground Ground Analog Ground Analog Ground Analog Not Connected Ground Monitor ID Bit 0 Bi-directional Data (SDA)* Horizontal Sync Vertical Sync Data Clock (SCL)*...

  • Page 166: Index

    4-17 card guide 1-7 hard drive mounting bracket 1-3, 1-4 hard drive mounting bracket with fans 1-4 bypassing a power-on password 5-8 DAT drive spares part number 1-4 Compaq Professional Workstation AP400 Maintenance and Service Guide...
  • Page 167 Index-2 deleting a power-on password 5-8 deleting a setup password 5-3 electrostatic discharge (ESD) delimiter characters 5-9 service guidelines 2-2 diagnostic diskette, creating 4-17 EMI shield diagnostic error codes spares part number 1-3 audio 4-23 enabling a power-on password 5-5 CD-ROM drive 4-23 entering a power-on password 5-6 diskette drive 4-21...
  • Page 168 4 3-23 PowerStorm 300 graphics controller 6-12 installing in bay 5 3-29 jumpers specifications 7-15 hard drives 6-3 hard drive jumper positions, illustrated 6-3 system board with tray 6-1 Compaq Professional Workstation AP400 Maintenance and Service Guide...
  • Page 169 Index-4 Microsoft Windows NT Workstations 4.0 CD keyboard spares part number 1-7 connector pin assignments 8-5 Millennium G200 graphics controller disabling interface 5-12 resolutions 7-23 enabling interface 5-12 Millennium II graphics controller national delimiter characters 5-9 removal and replacement 3-11 spares part number 1-5 resolutions 7-22 specifications 7-20...
  • Page 170 Power-On Password re-enabling diskette boot 5-10 bypassing 5-8 re-enabling serial port 5-10 changing 5-6 Remote ROM Flash, using 4-29 clearing 5-6 removal and replacement deleting 5-8 10K RPM hard drive 3-26, 3-32 Compaq Professional Workstation AP400 Maintenance and Service Guide...
  • Page 171 Index-6 removal and replacement removal and replacement Continued Continued 5.25-inch drive 3-18 workstation cover 3-3 backplane board 3-15 resolutions illustrated 3-16 Fire GL 4000 graphics controller 7-23 base pan assembly 3-53 GLoria Synergy+ graphics controller 7-24 base pan cover 3-52 Millennium G200 graphics controller 7-23 illustrated 3-52 Millennium II graphics controller 7-22...
  • Page 172 SCSI 4-12 Netelligent 56K fax modem 1-6 spaceball Netelligent controller 1-6 spares part number 1-7 NIC 1-6 spacemouse Pentium II processor 1-3 spares part number 1-7 pointing devices 1-7 power supply 1-3 Compaq Professional Workstation AP400 Maintenance and Service Guide...
  • Page 173 6-2 USB, connector pin assignments 8-4 symbols utilities equipment 2-2 Compaq setup and diagnostics 4-14 Symbols in Text vii Computer Checkup (TEST) 4-15 system computer Setup 4-15 components, illustrated 1-2 View System Information (INSPECT) 4-17...
  • Page 174 Windows NT password 5-8 workstation cover removal and replacement 3-3 spares part number 1-3 Workstation SSD for Windows NT 4-32 WRAM (Matrox Millennium II) spares part number 1-6 Zip drive spares part number 1-4 Compaq Professional Workstation AP400 Maintenance and Service Guide...

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