Page 1 Addenda #1 and 2 to Compaq Deskpro Workstation AP250 Maintenance & Service Guide Compaq Deskpro Workstation AP250 Part number 118133-003 Spare part number 158269-001 The complete MSG follows this addendum. This addendum contains changes to the original document. 2000 Compaq Computer Corporation. All rights reserved. Compaq is registered in the U.
Page 2: Spare Part Numbers
Spare Part Numbers Description Intel Pentium III processor with heatsink (401405-003), clip (120891-001), and baffle (118110-001). 600-MHz/133-MHz Intel Pentium III processor with heatsink (401405-003) and clip (170524-001). 733-MHz/133-MHz 867-MHz/133-MHz Intel Pentium III processor with heatsink (401405-003), clip (170524-001), and baffle (212889-001). 1-GHz/133-MHz Memory Modules RIMM 256-MB...
Page 3 Spare Part Numbers (continued) Description Miscellaneous Cable Kit CD-ROM data, 12.5” (179048-001) CD-ROM data, 12.5” (105876-001) Diskette drive, 15.5” (179049-001) CD-ROM audio, 12” (288489-001) Thermal sensor (166785-001) Hard drive/CD-ROM drive data, 14” (242947-001) Hard drive data, 7” (247116-001) Hard drive/CD-ROM drive data, 14.25” (242947-008) Diskette drive data, 12”...
Page 4 Specifications – Graphics Controllers Matrox MGA-G400A Graphics Controller Graphics Memory Color palette* 64 K colors (16-bit) 16 MB 16 M colors (32-bit) 64 K colors (16-bit) 32 MB 16 M colors (32-bit) * 3D acceleration is only available with a 16- or 32-bit color palette. Matrox G200 Quad MMS Graphics Controller Graphics Memory...
Page 5 Specifications – Graphics Controllers (c ontinued) ELSA Gloria II AGP Graphics Controller Graphics Maximum Colors Memory Supported 64 MB 16.7M * Refresh rate may function but may not be officially supported by Compaq. Maximum Refresh Resolution Rate 640 x 480 120 Hz 800 x 600 120 Hz...
Page 6 Air Baffle Assembly Addendum to MSG 118133-001...
Page 7 Compaq Deskpro Workstation AP250 Maintenance and Service Guide...
Page 8 Deskpro Workstation AP250 Maintenance and Service Guide First Edition (October 1999) Part Number 118133-001 Spare Part Number 158269-001 Compaq Computer Corporation Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: a-frnt.doc Last Saved On: 10/26/99 2:34 PM...
Page 9 Notice The information in this publication is subject to change without notice. COMPAQ COMPUTER CORPORATION SHALL NOT BE LIABLE FOR TECHNICAL OR EDITORIAL ERRORS OR OMISSIONS CONTAINED HEREIN, NOR FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM THE FURNISHING, PERFORMANCE, OR USE OF THIS MATERIAL.
Page 10: Table Of Contents
About This Guide Text Conventions ... vii Symbols in Text ... viii Symbols on Equipment ... viii Rack Stability ... ix Getting Help ... x Compaq Technical Support... x Compaq Website ... x Compaq Authorized Reseller ... xi Chapter 1 Illustrated Parts Catalog Mechanical Parts ...
Page 11 Removing the System Board ... 3-37 Removing the I/O Panel ... 3-38 Replacing the Lithium Battery ... 3-39 Converting a Minitower to a Desktop Configuration ... 3-41 Converting a Desktop to a Minitower Configuration ... 3-45 Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: a-frnt.doc Last Saved On: 10/26/99 2:34 PM...
Page 12 Chapter 4 Diagnostic Tools Power-On Self-Test... 4-2 POST Messages... 4-3 Troubleshooting Minor Problems ... 4-10 Power Problems ... 4-12 Diskette Drive Problems ... 4-13 Display Problems ... 4-14 Printer Problems... 4-16 Hard Drive Problems... 4-17 Hardware Installation Problems ... 4-18 DVD-ROM and CD-ROM Drive (IDE) Problems...
Page 13 vi Compaq Deskpro Workstation AP250 Maintenance and Service Guide Chapter 6 Jumper and Switch Information Power-On Password ... 6-3 Hard Drives ... 6-4 Ultra ATA Hard Drive (20-GB ATA66 7,200 rpm) ... 6-4 Ultra3 SCSI Hard Drive (9.1-GB WU3 10,000 rpm)... 6-5 Ultra3 SCSI Hard Drive (18.2-GB WU3 10,000 rpm)...
Page 14: About This Guide
This guide is designed to be used as step-by-step instructions for installation and as a reference for operation, troubleshooting, and future upgrades. Text Conventions This document uses the following conventions to distinguish elements of text: Keys USER INPUT FILENAMES Menu Options, Command Names, Dialog Box Names COMMANDS,...
Page 15: Symbols In Text
viii Compaq Deskpro Workstation AP250 Maintenance and Service Guide Symbols in Text These symbols may be found in the text of this guide. They have the following meanings. IMPORTANT: Text set off in this manner presents clarifying information or specific instructions.
Page 16: Rack Stability
Any surface or area of the equipment marked with these symbols indicates the presence of a hot surface or hot component. If this surface is contacted, the potential for injury exists. WARNING: To reduce the risk of injury from a hot component, allow the surface to cool before touching.
Page 17: Getting Help
x Compaq Deskpro Workstation AP250 Maintenance and Service Guide Getting Help If you have a problem and have exhausted the information in this guide, you can get further information and other help in the following locations. Compaq Technical Support You are entitled to free hardware technical telephone support for your product for as long as you own the product.
Page 18: Compaq Authorized Reseller
Contents xi Compaq Authorized Reseller For the name of your nearest Compaq authorized reseller: In the United States, call 1-800-345-1518. In Canada, call 1-800-263-5868. Elsewhere, see the Compaq website for locations and telephone numbers. Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: a-frnt.doc Last Saved On: 10/26/99 2:34 PM...
Page 19: Illustrated Parts Catalog
Chapter Illustrated Parts Catalog This chapter provides an illustrated parts overview and a reference for spare parts for the Compaq Deskpro Workstation AP250. Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: b-ch1 Illustrated Parts Catalog.doc Last Saved On: 10/19/99 9:17 PM...
Page 20: Mechanical Parts
1-2 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Mechanical Parts Figure 1-1. Exploded view of the Compaq Deskpro Workstation AP250 mechanical parts Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: b-ch1 Illustrated Parts Catalog.doc Last Saved On: 10/19/99 9:17 PM...
Page 21: System Components
System Components Figure 1-2. Exploded view of the Compaq Deskpro Workstation AP250 mechanical parts Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: b-ch1 Illustrated Parts Catalog.doc Last Saved On: 10/19/99 9:17 PM Illustrated Parts Catalog 1-3...
Page 22: Spare Parts List
1-4 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Spare Parts List Spare Parts List for the Compaq Deskpro Workstation AP250 Reference MECHANICAL SYSTEM MEMORY * Not illustrated Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: b-ch1 Illustrated Parts Catalog.doc Last Saved On: 10/19/99 9:17 PM Table 1-1 Description...
Page 23 Table 1-1 Spare Parts List for the Compaq Deskpro Workstation AP250 Reference Description MASS STORAGE 9.1-GB Ultra3 SCSI hard drive (10,000 RPM) 18.2-GB Ultra3 SCSI hard drive (10,000 RPM) 20-GB Ultra ATA hard drive (7,200 RPM) 1.44-MB diskette drive 40X Max CD-ROM drive (IDE) DVD-ROM drive Zip drive CABLE KITS...
Page 24 1-6 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Table 1-1 Spare Parts List for the Compaq Deskpro Workstation AP250 Reference GRAPHICS CONTROLLERS COMMUNICATIONS * Not illustrated Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: b-ch1 Illustrated Parts Catalog.doc Last Saved On: 10/19/99 9:17 PM Description SPS, TFT5000 flat panel monitor –...
Page 25 Table 1-1 Spare Parts List for the Compaq Deskpro Workstation AP250 Reference Description SOFTWARE Magellan Driver CD Spaceball Driver CD Microsoft Windows NT Workstation 4.0 CD Magellan 3D Pointing Device (spacemouse) Spaceball 4000 3D Pointing Device 3.5-inch to 5.25-inch diskette drive mounting bracket with screws and brace for use in bay 3 only 3.5-inch to 5.25-inch hard drive mounting bracket 3.5-inch to 5.25-inch 1/2 height mounting bracket for...
Page 26 Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: b-ch1 Illustrated Parts Catalog.doc Last Saved On: 10/19/99 9:17 PM Description Miscellaneous plastics kit for minitower and desktop includes: a. diskette bezel* b.
Page 27: Service Preliminaries
This chapter identifies the following service considerations: Preliminary warnings and cautions Electrostatic discharge information Equipment symbols Tools and software requirements Warranty information 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 Deskpro Workstation AP250: WARNING: To reduce the risk of electric shock or damage to the equipment:...
Page 28: Electrostatic Discharge Information
2-2 Compaq Deskpro Workstation AP250 Maintenance and Service Guide 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.
Page 29: Equipment Symbols
Equipment Symbols The following symbols are located on applicable components of the workstation and should be observed when servicing the workstation to avoid personal injury or damage to the components: WARNING: Any surface or area of the equipment marked with these symbols indicates the presence of a hot surface or hot component.
Page 30: Warranty Information
2-4 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Warranty Information The workstation comes standard with the following warranties: Standard Warranty-Refer to the warranty card included with the unit. Pre-Failure Warranty-A special warranty that extends the Compaq warranty by applying it to critical system components before they fail. This warranty ensures that when you receive notification of a prefailure condition through Compaq Insight Manager or the Windows NT Event Log, the component is replaced under warranty.
Page 31: Removal And Replacement Procedures
Removal and Replacement Procedures This chapter provides subassembly/module-level removal and replacement procedures for the Compaq Deskpro Workstation AP250. After completing all necessary removal and replacement procedures, run the Compaq Setup and Diagnostics utility to verify that all components are operating properly. Serial Number Provide the computer serial number to Compaq whenever you request information or order spare parts.
Page 32: Service Preparations
3-2 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Figure 3-1. Identifying serial number locations Service Preparations Before beginning any of the removal and replacement procedures, complete the following steps: 1. Turn off the workstation. 2. Disconnect the power cord from the grounded AC outlet and then from the workstation.
Page 33: Removing The Cable Lock
Removing the Cable Lock The workstation comes standard with a cable lock provision for attaching a padlock and/or cable lock. If installed, the locks must be removed before accessing internal components. To remove the lock: 1. Unlock and remove the cable lock and/or the padlock. 2.
Page 34: Removing The Side Access Panel
3-4 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Removing the Side Access Panel To remove the workstation side access panel: 1. Perform the steps in the “Service Preparations” section. 2. Loosen the two thumbscrews that secure the side access panel to the workstation chassis.
Page 35: Removing The Front Bezel
Removing the Front Bezel 1. Turn off the workstation and any external devices. Disconnect the power cord from the grounded AC outlet and the network cable from the system. 2. Loosen the two thumbscrews that secure the side access panel to the workstation chassis 3.
Page 36: Removing The Subpanel And Bezel Blank
3-6 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Removing the Subpanel and Bezel Blank 1. Turn off the workstation and any external devices. Disconnect the power cord from the grounded AC outlet and the network cable from the system. 2.
Page 37: Mass Storage Devices
The Compaq Deskpro Workstation AP250 can house up to five mass storage devices. The following illustration identifies the physical drive locations for minitower and desktop workstations. See Table 3-1 for a list of recommended drive configurations. Figure 3-6. Identifying drive positions Compaq Confidential –...
Page 38 3-8 Compaq Deskpro Workstation AP250 Maintenance and Service Guide NOTE: Compaq does not support mixing Ultra ATA and SCSI hard drives in the same system. If you are replacing a hard drive in bay 4 or 5, the device must be of the same type.
Page 39 Removal and Replacement Procedures 3-9 IMPORTANT: Install guide screws to ensure that the drives line up correctly in the drive cage. Compaq has provided extra guide screws, installed in the front of the workstation chassis behind the front bezel. Some options use 5.25 M3 metric screws and some use HD 6-32.
Page 40: Removing A 3.5-Inch Hard Drive
3-10 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Removing a 3.5-inch Hard Drive To remove a 3.5-inch hard drive: 1. Perform the steps in the “Service Preparations” section. 2. Loosen the two thumbscrews that secure the side access panel to the workstation chassis.
Page 41 Removal and Replacement Procedures 3-11 6. Slide the drivelock to unlock the hard drive. Figure 3-9. Releasing the hard drive with the drivelock NOTE: Do not hold the face plate while removing a drive, only hold a drive by its casing. 7.
Page 42: Removing A 3.5-Inch Hard Drive With 5.25-Inch Drive Adapter
3-12 Compaq Deskpro Workstation AP250 Maintenance and Service Guide 8. While holding the drive casing, pull the drives out of the drive bay 1. Figure 3-10. Removing a 3.5-inch hard drive 9. Remove the two guide screws from each side of the drive 2. To replace the 3.5-inch hard drive: 1.
Page 43: Figure 3-11. Releasing The
To remove a 3.5-inch drive with a 5.25-inch drive adapter: 1. Perform the steps in the “Service Preparations” section. CAUTION: Before removing the side access panel, ensure that the workstation is turned off, all cables are disconnected from the back of the workstation, and the power cord is disconnected from the grounded AC outlet.
Page 44: Figure 3-12. Removing A
3-14 Compaq Deskpro Workstation AP250 Maintenance and Service Guide 7. While holding the drive casing, pull the drive out of the drive bay 1. 8. Remove the four guide screws 2. Figure 3-12. Removing a 3.5-inch drive from a 5.25-inch drive bay Compaq Confidential –...
Page 45: Figure 3-13. Removing A
Removal and Replacement Procedures 3-15 9. Remove the screws that secure the hard drive to the drive adapter 1. 10. Remove the hard drive from the drive adapter 2. Figure 3-13. Removing a 3.5-inch hard drive from the 5.25-inch drive adapter To replace the drive, reverse the above procedure.
Page 46: Removing A Cd-Rom
3-16 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Removing a CD-ROM To remove a CD-ROM drive: 1. Perform the steps in the “Service Preparations” section. 2. Remove the side access panel. 3. Remove the front bezel. 4. Disconnect the cables from the back of the CD-ROM drive. Figure 3-14.
Page 47: Figure 3-15. Releasing The
Removal and Replacement Procedures 3-17 5. While pushing the drivelock, push from the rear of the drives until the drive casing can be grasped. Figure 3-15. Releasing the CD-ROM drive with the drivelock Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: d-ch3 Removal and Replacement Procedures.doc Last Saved On: 10/26/99 3:02 PM...
Page 48: Figure 3-16. Removing A Cd-Rom Drive From A 5.25-Inch Drive Bay
3-18 Compaq Deskpro Workstation AP250 Maintenance and Service Guide 6. While holding the drive casing, pull the drives out of the drive bay 1. 7. Remove the four guide screws 2. Figure 3-16. Removing a CD-ROM drive from a 5.25-inch drive bay To replace the CD-ROM drive: 1.
Page 49: Installing Optional Scsi Devices
Installing Optional SCSI Devices Select models of the Compaq Deskpro Workstation AP250 have a preinstalled internal SCSI hard drive. You can install additional SCSI devices using the external SCSI connector located on the rear panel of the workstation. Important Guidelines for Installing Optional SCSI Devices If you are installing additional SCSI devices, you MUST adhere to the following guidelines:...
Page 50: Using The Scsi Cable
3-20 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Using the SCSI Cable The three-device SCSI cable pictured in Figure 3-17 is included with your workstation (available on select models). The cable supports up to three SCSI devices and comes with a terminator 1 on the end. Figure 3-17.
Page 51: Removing The Drivelock
Removing the Drivelock The workstation chassis has a drivelock that secures the drives in both the minitower and desktop configurations. To remove the drivelock: 1. Perform the steps in the “Service Preparations” section. CAUTION: Before removing the side access panel, ensure that the workstation is turned off, all cables are disconnected from the back of the workstation, and the power cord is disconnected from the grounded AC outlet.
Page 52: Figure 3-18. Removing The
3-22 Compaq Deskpro Workstation AP250 Maintenance and Service Guide 5. Snap the tabs out of the holes in the drive cage 1. 6. Lift up on the side of the drivelock nearest you and push the drivelock towards the front of the drive cage 2. CAUTION: The spring under the drivelock may pop out unexpectedly.
Page 53: Figure 3-19. Reinstalling The
To reinstall the drivelock: 1. Insert the left side of the drivelock (with the rounded tabs) into the slots on the drive cage 1. 2. Place the spring 2 on the middle tab on the underside of the drivelock. 3. Compress the spring, then lower the drivelock onto the drive cage until it snaps into place 3.
Page 54: Expansion Boards
3-24 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Expansion Boards The following illustration identifies the physical location of expansion slots. See the corresponding table for component names. Figure 3-20. View of the expansion slots Identifier Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: d-ch3 Removal and Replacement Procedures.doc Last Saved On: 10/26/99 3:02 PM Table 3-2...
Page 55: Removing An Expansion Board
Removing an Expansion Board To remove an expansion board: 1. Perform the steps in the “Service Preparations” section. CAUTION: Before removing the side access panel, ensure that the workstation is turned off, all cables are disconnected from the back of the workstation, and the power cord is disconnected from the grounded AC outlet.
Page 56: Removing The Card Guide
3-26 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Removing the Card Guide To remove the card guide: 1. Perform the steps in the “Service Preparations” section. 2. Remove the side access panel. 3. Remove any full-length expansion boards. 4. Push down on the two tabs on the top of the card guide 1. 5.
Page 57: Installing Memory Modules
Installing Memory Modules Important Guidelines for Direct RIMM Installation When installing RIMMs (Rambus Inline Memory Modules), you MUST follow these guidelines: Use only 128-MB or 256-MB, 700- or 800-MHz Error Checking and Correcting (ECC) RIMMs. A RIMM can be installed only one way. Be sure to match the two key slots on the RIMM with the tab on the RIMM socket.
Page 58: Figure 3-23. Rimm Slots
3-28 Compaq Deskpro Workstation AP250 Maintenance and Service Guide to support up to 1-GB. The two RIMM sockets are numbered RIMM1 and RIMM2, with RIMM1 being closest to the processor. A CRIMM must populate an empty slot. The following illustration identifies the physical location of all RIMM sockets. For optimal performance, populate slot 1 first, then slot 2.
Page 59: Removing A Processor
3. Press outward on both latches of the RIMM at the same time 1. This releases the module and pushes it partially out of the socket. 4. Lift the module from the socket 2. Figure 3-24. Removing a RIMM memory module NOTE: The system recognizes memory upgrades and automatically reconfigures the workstation.
Page 60: Figure 3-25. Removing The
3-30 Compaq Deskpro Workstation AP250 Maintenance and Service Guide 4. Pull out the retaining tabs on each side of the processor 1, then lift the processor out of the socket 2. Figure 3-25. Removing the processor from the system board To install a new processor, reverse the above procedure.
Page 61: Removing A 733-Mhz Processor From The Heatsink
Removing a 733-MHz Processor from the Heatsink WARNING: To reduce the risk of personal injury from hot surfaces, allow the internal system components to cool before touching them. To remove the processor from the heatsink: 1. Perform the steps in the “Service Preparations.” CAUTION: Before removing the side access panel, ensure that the Workstation is turned off, all cables are disconnected from the back of the Workstation, and the power cord is disconnected from the grounded AC outlet.
Page 62: Removing The Processor Guide Rails
3-32 Compaq Deskpro Workstation AP250 Maintenance and Service Guide 5. Lift the processor off the pins on the back of the heatsink 2. Figure 3-27. Removing the 733-MHz processor from the heatsink To install a new processor/heatsink, reverse the above procedure. NOTE: Before installing a processor, be sure the release latches are in the locked (out) position.
Page 63: Removing The Speaker
4. Using a Torx T-15 screwdriver, loosen the four claynuts 1 that attach the processor guide rails to the system board, then remove the rails 2. Figure 3-28. Removing the processor guide rails from the system board To replace the processor guide rails, seat the guide rails flush with the system board, then tighten the four claynuts.
Page 64: Removing The Power Supply
3-34 Compaq Deskpro Workstation AP250 Maintenance and Service Guide 4. Remove the four screws that secure the speaker to the side of the chassis 1, then remove the speaker 2. Figure 3-29. Removing the speaker To reinstall the speaker, reverse the above procedure. Removing the Power Supply To remove the power supply: 1.
Page 65: Figure 3-30. Removing The Power Supply
4. Remove the four external screws that secure the power supply to the back of the chassis 1. NOTE: The internal screw 2 that secures the power supply to the side of the chassis may not need to be removed, only loosened. 5.
Page 66: Removing The Power Switch
3-36 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Removing the Power Switch To remove the power switch and switch holder: 1. Perform the steps in the “Service Preparations” section. 2. Remove the side access panel. 3. Disconnect the power/LED cable from the system board 1. 4.
Page 67: Removing The System Board
Removing the System Board CAUTION: Static electricity can damage the electronic components of the workstation. Before beginning these procedures, be sure you are discharged of static electricity by briefly touching a grounded metal object. To remove and replace the system board: 1.
Page 68: Removing The I/O Panel
3-38 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Figure 3-32. Removing the system board To install a new system board, reverse the above procedure. When installing the system board, insert the first screw nearest the power supply to properly align the board in the chassis. Removing the I/O Panel To remove the I/O panel: 1.
Page 69: Replacing The Lithium Battery
6. From the back of the chassis, push the I/O panel in towards the system board and lift the I/O panel out. Figure 3-33. Removing the I/O panel To replace the I/O panel, reverse the above procedure. Replacing the Lithium Battery WARNING: The system board contains a lithium-ion battery pack.
Page 70: Figure 3-34. Locating The Battery On The System Board
3-40 Compaq Deskpro Workstation AP250 Maintenance and Service Guide To replace the lithium battery: 1. Perform the steps in the “Service Preparations” section. 2. Remove the side access panel. 3. Locate the battery on the system board. NOTE: If expansion boards are installed, you may need to remove the expansion boards to gain access to the battery.
Page 71: Converting A Minitower To A Desktop Configuration
IMPORTANT: Positive polarity should be positioned up. Converting a Minitower to a Desktop Configuration To convert a minitower to a desktop configuration: 1. Perform the steps in the “Service Preparations” section. CAUTION: Before removing the side access panel, ensure that the workstation is turned off, all cables are disconnected from the back of the workstation, and the power cord is disconnected from the grounded AC outlet.
Page 72: Figure 3-36. Releasing The
IMPORTANT: The diskette drive should always be placed in the bay nearest the top of the chassis in the desktop configuration for proper drive clearance and access. Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments:...
Page 73 Figure 3-37. Installing a drive in the desktop configuration 8. Reconnect the cables to the drives. 9. Remove the subpanel. CAUTION: Hold the subpanel straight when you pull it away from the front bezel. Pulling the subpanel away at an angle could damage the pins that align it within the front bezel.
Page 74 Part Number: 118133-001 File Name: d-ch3 Removal and Replacement Procedures.doc Last Saved On: 10/26/99 3:02 PM CAUTION: When replacing the subpanel, be sure the aligning pins and any remaining bezel blanks are in the proper orientation to prevent damage to the alignment pins. See Figure 3-38 for the subpanel keyed alignment positions. Desktop Configuration...
Page 75: Converting A Desktop To A Minitower Configuration
Converting a Desktop to a Minitower Configuration To convert a desktop to a minitower configuration: 1. Perform the steps in the “Service Preparations” section. CAUTION: Before removing the side access panel, ensure that the workstation is turned off, all cables are disconnected from the back of the workstation, and the power cord is disconnected from the grounded AC outlet.
Page 76: Desktop Configuration
9. Install the new subpanel. Desktop Configuration Figure 3-40. Rotating the bezel blank when converting a desktop to a minitower Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: d-ch3 Removal and Replacement Procedures.doc Last Saved On: 10/26/99 3:02 PM...
Page 77 See Figure 3-40 for the subpanel keyed alignment positions. NOTE: When switching from minitower to desktop orientation or from desktop to minitower orientation, the bezel blank should be switched out with the replacement provided to ensure the Compaq logo is properly oriented.
Page 78: Diagnostic Tools
This chapter provides information on the following topics to assist you when servicing the Compaq Deskpro Workstation AP250. Power-On Self-Test (POST) Troubleshooting minor problems Computer setup and diagnostics utilities SCSI Error codes Upgrading the ROMPaq Compaq Insight Manager Compaq Workstation SSD for Windows NT Compaq Diagnostics for Windows NT IMPORTANT: Adherence to the procedures and precautions described in this chapter is essential for proper service.
Page 79: Power-On Self-Test
4-2 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Power-On Self-Test POST (Power-On Self-Test) is a series of diagnostic tests that runs automatically when the computer system is turned on. After the computer is turned on, POST checks the following assemblies to make sure that the computer system is functioning properly: Keyboard Rambus Inline Memory Modules (RIMMs)
Page 80: Post Messages
POST Messages An error message results if the POST encounters a problem. This test runs when the system is turned on, checking assemblies within the workstation and reporting any errors found. Message 101-ROM Error. 101-Option ROM Checksum Error. 102-System Board Failure.
Page 81 4-4 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Table 4-1 POST Messages Message 162-System Options Error. 162-System Options Not Set. 163-Time & Date Not Set. 164-Memory Size Error. Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: e-ch4 Diagnostic Tools.doc Last Saved On: 10/26/99 3:09 PM continued Beeps*...
Page 82 Table 4-1 POST Messages continued Message 201-Memory Error. None 202-Memory Type None Mismatch. 203-Memory None Address Error. 205-Memory Error. None 206-Secondary None cache controller failure. 207-ECC Failure. 210-Invalid None Memory Configuration Detected. Maximum of 1 Gbyte of Memory Supported. System halted.
Page 83 4-6 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Table 4-1 POST Messages Message 212-Failed processor. 213-Incompatible Direct RIMM Module. 301-Keyboard Error. 301-Keyboard Error or Test Fixture Installed. 303-Keyboard Controller Error. 304-Keyboard or System Unit Error. 40X-Parallel Port X Address Conflict. 402-Monochrome Adapter Failure.
Page 84 Table 4-1 POST Messages continued Message 404-Parallel Port Address Conflict Detected. 501-Display 1L, 2S Adapter Failure. 601-Diskette None Controller Error. None 602-Diskette Boot Record Error. 605-Diskette Drive Type Error. 610-External None Storage Drive Failure. 611-Primary Floppy Port Address Assignment Conflict. 612-Secondary Floppy Port Address...
Page 85 4-8 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Table 4-1 POST Messages Message 1151-System Board COM Port 1 Address Assignment Conflict. 1152-System Board COM Port 2 Address Assignment Conflict. 1155-System Board COM Port Address Assignment Conflict. 1610-Temperature Violation Detected. 1611-Fan Failure Detected.
Page 86 Table 4-1 POST Messages continued Message 1772-Secondary Disk Port Address Assignment Conflict. 1780-Disk 0 None Failure. 1781-Disk 1 None Failure. 1782-Disk None Controller Failure. 1790-Disk 0 None Failure. 1791-Disk 1 None Failure. 1792-Secondary None Disk Controller Failure. 1793-Secondary None Controller or Disk Failure.
Page 87: Troubleshooting Minor Problems
4-10 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Table 4-1 POST Messages Message Fixed Disk Parameter Table or BIOS Error System Halted. Invalid Electronic Serial Number. Audible. (RESUME = F1 KEY) Troubleshooting Minor Problems Refer to the following list for possible solutions before running any of the diagnostic utilities: Verify that the workstation is connected to a working grounded AC outlet.
Page 88 In addition to the previous 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 DVD-ROM and IDE CD-ROM drive problems Memory problems SCSI problems Network problems Audio hardware conflicts Compaq Confidential –...
Page 89: Power Problems
4-12 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Power Problems Computer will not turn on. Computer does not automatically display the date and time. Computer powered-off automatically. Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: e-ch4 Diagnostic Tools.doc Last Saved On: 10/26/99 3:09 PM Table 4-2 Solutions for Power Problems...
Page 90: Diskette Drive Problems
Diskette Drive Problems Solutions for Diskette Drive Problems Problem Diskette drive light stays on. Diskette drive cannot write to a diskette. Diskette drive cannot read a diskette. A problem has occurred with a disk transaction. Non-system disk message Drive not found Compaq Confidential –...
Page 91: Display Problems
4-14 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Display Problems Screen is blank. Graphics colors are wrong. Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: e-ch4 Diagnostic Tools.doc Last Saved On: 10/26/99 3:09 PM Table 4-4 Solutions for Display Problems Problem...
Page 92 Table 4-4 Solutions for Display Problems Problem 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; it rolls, jitters, or blinks. Screen goes blank.
Page 93: Printer Problems
4-16 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Printer Problems Printer will not print. Printer will not turn on. Prints garbled information. Printer is off-line. Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: e-ch4 Diagnostic Tools.doc Last Saved On: 10/26/99 3:09 PM Table 4-5 Solutions for Printer Problems...
Page 94: Hard Drive Problems
Hard Drive Problems The information provided by the diagnostic 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. When you run the diagnostics, the test results are stored in a log. After completing the test, you can print this log to a local printer or save it to a file.
Page 95: Hardware Installation Problems
4-18 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Hardware Installation Problems A new device is not recognized as part of the computer system. Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: e-ch4 Diagnostic Tools.doc Last Saved On: 10/26/99 3:09 PM Table 4-7 Solutions for Hardware Installation Problems...
Page 96: Dvd-Rom And Cd-Rom Drive (Ide) Problems
DVD-ROM and CD-ROM Drive (IDE) Problems DVD-ROM and CD-ROM Drive (IDE) Problems Problem Cannot read compact disc. System will not boot from CD-ROM drive. Cannot eject compact disc. CD-ROM device is not detected; driver is not loaded. Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: e-ch4 Diagnostic Tools.doc Last Saved On: 10/26/99 3:09 PM Diagnostic Tools 4-19...
Page 97: Memory Problems
4-20 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Memory Problems Out of memory error. Memory count during POST is wrong. Insufficient memory error during operation. SCSI Problems System will not boot from a SCSI drive. Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: e-ch4 Diagnostic Tools.doc Last Saved On: 10/26/99 3:09 PM Table 4-9...
Page 98: Network Problems
Network Problems Problem System does not detect a network controller. System Setup utility reports unprogrammed EPROM. Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: e-ch4 Diagnostic Tools.doc Last Saved On: 10/26/99 3:09 PM Table 4-11 Network Problems Cause...
Page 99 4-22 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Table 4-11 Network Problems Problem Diagnostics reports a failure. Diagnostics passes, but the system does not communicate with the network. Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: e-ch4 Diagnostic Tools.doc Last Saved On: 10/26/99 3:09 PM continued Cause...
Page 100 Table 4-11 Network Problems continued Problem Network controller stopped working when an expansion board was installed. Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: e-ch4 Diagnostic Tools.doc Last Saved On: 10/26/99 3:09 PM Cause Solution Network drivers are not...
Page 101: Audio Hardware Conflicts
4-24 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Table 4-11 Network Problems Problem Network controller stopped working without apparent cause. Audio Hardware Conflicts Hardware conflicts occur when two or more peripheral devices contend for the same signal lines or channels. Conflicts between the audio interface and another peripheral device may be due to the settings of the base I/O addresses, interrupts, or DMA channels.
Page 102: Computer Setup And Diagnostics Utilities
Computer Setup and Diagnostics Utilities The Computer Setup and Diagnostics utilities provide information you will need about the workstation. Computer Setup Diagnostics Creating a Diagnostics Diskette Running Computer Checkup (TEST) Running View System Information (INSPECT) Running Diagnostic Utilities for Error Codes Explanations and procedures for each utility are included in this chapter.
Page 103: Accessing The Computer Setup Menu
4-26 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Accessing the Computer Setup Menu NOTE: Computer Setup is built into the reprogrammable system ROM on the Compaq Deskpro Workstation AP250 and is shipped in English only. 1. Turn on or restart the workstation. NOTE: Do not restart the workstation while in Windows NT Workstation.
Page 104 Creating a Diagnostics Diskette Instructions for creating and using the Compaq Diagnostic diskette are located on the Compaq website: www.compaq.com Running Computer Checkup (TEST) NOTE: Computer Checkup (TEST) will detect Compaq hardware. Devices from other manufacturers may not be detected. TEST, the primary diagnostics utility, confirms whether the various workstation devices are recognized by the system and are functioning properly.
Page 105 4-28 Compaq Deskpro Workstation AP250 Maintenance and Service Guide To run TEST: 1. Restart the workstation from the diagnostics diskette you have created. 2. Press Enter to bypass the welcome screen. 3. Select Computer Checkup (TEST), then press Enter. 4. Select the option to view the device list. A list of installed hardware devices is displayed.
Page 106 System ROM System storage System ports Current memory configuration ROM version Type of processor and coprocessor Diskette, CD-ROM, DVD, and hard drives Active printer and communication interfaces Keyboard Graphics Windows files Network status Miscellaneous To run INSPECT: 1. Restart the workstation from the diagnostics diskette. 2.
Page 107 4-30 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Running Diagnostics Utilities for Error Codes Diagnostic error codes occur if the system recognizes a problem while running diagnostics utilities. These error codes help identify possibly defective subassemblies. The following tables list possible error codes, descriptions of each error condition, and actions required to resolve the error condition.
Page 108 Diagnostic Tools 4-31 Figure 4-1. Power-On Password (P49) jumper 5. Run the Diagnostics diskette. Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: e-ch4 Diagnostic Tools.doc Last Saved On: 10/26/99 3:09 PM...
Page 109 4-32 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Microprocessor Error Code 101-xx 102-xx 103-xx 104-xx 105-xx 106-xx 107-xx 108-xx 109-xx 110-xx 113-01 Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: e-ch4 Diagnostic Tools.doc Last Saved On: 10/26/99 3:09 PM Table 4-12 Microprocessor Test Error Codes...
Page 110 Table 4-12 Microprocessor Test Error Codes Error Code 114-01 Speaker test failed. 199-xx Installed devices test failed. Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: e-ch4 Diagnostic Tools.doc Last Saved On: 10/26/99 3:09 PM continued Description Recommended Action...
Page 111 4-34 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Memory Error Code 200-xx 202-xx 203-xx 204-xx 211-xx 214-xx 215-xx Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: e-ch4 Diagnostic Tools.doc Last Saved On: 10/26/99 3:09 PM Table 4-13 Memory Test Error Codes Description...
Page 112 Keyboard Do not hold down a key during the boot-up sequence. Holding down any key during the boot-up sequence causes the Basic Input Output System (BIOS) to beep as a warning of possible keyboard problems. To test the keyboard, wait until after the system has booted, then press the Num Lock key.
Page 113 4-36 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Diskette Drive Error Code 600-xx 601-xx 602-xx 603-xx 604-xx 605-xx 606-xx 609-xx 610-xx 697-xx 698-xx 699-xx Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: e-ch4 Diagnostic Tools.doc Last Saved On: 10/26/99 3:09 PM Table 4-16 Diskette Drive Test Error Codes...
Page 114 Serial Port Error Code Description 1101-xx Serial port test failed. Modem Modem Communications Test Error Codes Error Code Description 1201-xx Modem internal test failed. 1202-xx Modem time-out test failed. 1203-xx Modem external termination test failed. 1204-xx Modem auto originate test failed. 1205-xx Modem auto answer test failed.
Page 115 4-38 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Pointing Device Error Code 8601-xx 8602-xx DVD-ROM and CD-ROM Drive (IDE) Error Code 3301-xx 3305-xx 6600-xx 6600-xx 6605-xx 6608-xx 6623-xx Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: e-ch4 Diagnostic Tools.doc Last Saved On: 10/26/99 3:09 PM Table 4-19 Pointing Device Test Error Codes...
Page 116 Tape Drive Error Code 1900-xx Tape drive ID test failed. 1901-xx Tape drive servo test failed. 1902-xx Tape drive format or format verification test failed. 1903-xx Tape drive sensor test failed. 1904-xx Tape drive BOT/EOT test failed. 1905-xx Tape drive read test failed. 1906-xx Tape drive write/read/compare failed.
Page 117 4-40 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Table 4-22 Video Test Error Codes Error Code 504-xx 505-xx 506-xx 507-xx 508-xx 509-xx 510-xx 511-xx 512-xx 514-xx 516-xx 2402-xx 2403-xx 2404-xx 2405-xx 2406-xx 2408-xx Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: e-ch4 Diagnostic Tools.doc Last Saved On: 10/26/99 3:09 PM continued...
Page 118 Table 4-22 Video Test Error Codes Error Code 2409-xx Video 320 × 200 mode color set 1 test failed. 2410-xx Video 640 × 200 mode test failed. 2411-xx Video screen memory page test failed. 2412-xx Video gray scale test failed. 2414-xx Video white screen test failed.
Page 119 4-42 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Table 4-22 Video Test Error Codes Error Code 2458-xx 2468-xx 2477-xx 2478-xx 2480-xx Audio Error Code 3206-xx Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: e-ch4 Diagnostic Tools.doc Last Saved On: 10/26/99 3:09 PM continued Description...
Page 120: Network Interface
Network Interface Network Interface Test Error Codes Error Code 6000-xx Network ID test failed. 6014-xx Network configuration test failed. 6016-xx Network reset test failed. 6028-xx Network internal test failed. 6029-xx Network external test failed. 6054-xx Network configuration test failed. 6056-xx Network reset test failed.
Page 121: Scsi Error Codes
4-44 Compaq Deskpro Workstation AP250 Maintenance and Service Guide SCSI Error Codes This section includes the error codes for the following SCSI devices: Hard drives CD-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 Table 4-25, Table 4-26, and Table 4-27.
Page 122 Error Code Device XX00-XX XX05-XX Read XX06-XX SA/Media XX23-XX Random read XX28-XX Media load/unload Error Code Description XXXX-02 Drive not installed XXXX-03 Media not in drive XXXX-05 Seek failure XXXX-06 Drive timed out XXXX-07 Drive busy XXXX-08 Drive already reserved XXXX-09 Unknown XXXX-10...
Page 123 4-46 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Table 4-27 SCSI Test Error Codes Error Code XXXX-16 XXXX-17 XXXX-18 XXXX-21 65XX-24 66XX-24 67XX-24 XXXX-25 XXXX-30 XXXX-31 XXXX-32 XXXX-33 XXXX-34 XXXX-35 XXXX-36 Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: e-ch4 Diagnostic Tools.doc Last Saved On: 10/26/99 3:09 PM continued Description...
Page 124 Table 4-27 SCSI Test Error Codes continued Error Code Description XXXX-39 Error status from drive XXXX-40 Target timed out XXXX-41 SCSI bus stayed busy XXXX-42 ACK/REQ lines bad XXXX-43 ACK did not deassert XXXX-44 Parity error XXXX-50 Data pins bad XXXX-51 Data line 7 bad XXXX-52...
Page 125: Upgrading The Rom
4-48 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Upgrading the ROM If the Compaq Deskpro Workstation AP250 does not have a Setup Password enabled, the ROM is not write-protected and unauthorized updates can occur. To upgrade your system ROM, you can: Order an upgraded ROMPaq diskette from Compaq.
Page 126: Remote Rom Flash
Remote ROM Flash The Compaq Deskpro Workstation AP250 offers Remote ROM upgrade capability. The following software can be downloaded from the Compaq website: www.compaq.com Remote Management Setup (allows upgrading of the system ROM remotely) Remote ROM Flash Remote Security Settings Remote Wakeup ROM Image for Remote ROM Flash (included in the CAB file for flashing the ROM remotely)
Page 127 4-50 Compaq Deskpro Workstation AP250 Maintenance and Service Guide 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: 1.
Page 128: Compaq Insight Manager
Table 4-28 lists the various keyboard light combinations, as well as the meaning and action associated with each combination. Num Lock Caps Lock Compaq Insight Manager Compaq Insight Manager is a client/server software application you can use to remotely manage and receive information about Compaq computers. Compaq Insight Manager remotely gathers information about workstations needing service.
Page 129 4-52 Compaq Deskpro Workstation AP250 Maintenance and Service Guide NOTE: Compaq Insight Manager requires the installation of Compaq Management Agents for Workstations on the Compaq Deskpro Workstation AP250. The Agents are preinstalled on the Workstation. Before installing the Compaq Management Agents for Workstations, be sure to install SNMP service from the Microsoft Windows NT 4.0 CD and the TCP/IP protocol.
Page 130: Compaq Workstation Ssd For Windows Nt
Compaq Workstation SSD for Windows NT The Compaq Workstation SSD for Windows NT is a set of Compaq-specific drivers that enables the workstation to operate at optimum performance. The Compaq Workstation SSD is on the Compaq website: www.compaq.com The Compaq Workstation SSD installation program automatically detects the components on the workstation and determines if the drivers need to be updated.
Page 131: Compaq Diagnostics For Windows Nt
4-54 Compaq Deskpro Workstation AP250 Maintenance and Service Guide 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: 1. Double-click the Compaq Diagnostics for Windows NT icon located in the Control Panel.
Page 132: System Security
This chapter identifies and explains: Security features Advanced security management Security Features The Compaq Deskpro Workstation AP250 is equipped with features that secure valuable components and system integrity. Table 5-1 identifies and explains the security features. Feature Setup Password Power-On Password Compaq Confidential –...
Page 133 5-2 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Table 5-1 Security Features Windows NT for Workstations Password Serial or Parallel Interface Control Removable Media Boot Control Removable Media Write Control Cable Lock Provision Note: Always use different passwords for the Power-On Password, the Setup Password, and the Windows NT password.
Page 134: Setup Password
Setup Password Establishing a Setup Password through Computer Setup prevents reconfiguration of the workstation (use of the Computer Setup utility) until the password is entered. 1. Turn on or restart the workstation. 2. When the words F10=Setup appear in the bottom-right corner of the screen, press F10.
Page 135 5-4 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Entering a Power-On Password NOTE: See the “National Keyboard Delimiter Characters” section in this chapter for information about the alternate delimiter characters. Type the carefully; for security reasons, the characters you type do not appear on the screen. To enter a Power-On Password: 1.
Page 136: Windows Nt Workstation Password
Clearing Passwords The Compaq Deskpro Workstation AP250 is equipped with a Power-On Password (P49) jumper on the system board to enable and disable the Power-On Password. Installing the jumper will enable the Power-On Password feature in setup, and removing the jumper will disable the Power-On Password.
Page 137: National Keyboard Delimiter Characters
5-6 Compaq Deskpro Workstation AP250 Maintenance and Service Guide National Keyboard Delimiter Characters Each keyboard is designed to meet country-specific requirements. The syntax and keys to be used to change or delete the password depend on the keyboard that came with the workstation. Table 5-2 identifies the correct delimiter character for each keyboard.
Page 138: Reenabling Diskette Boot Or Diskette Write
Reenabling 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 reenable the features to service the workstation.
Page 139: Cable Lock Provision
5-8 Compaq Deskpro Workstation AP250 Maintenance and Service Guide 6. Save the configuration and exit the utility. 7. Restart the workstation. Cable Lock Provision The workstation is equipped with a cable lock provision to secure the unit to a fixed object and inhibit access to the interior of the unit. If a cable lock or padlock is installed, remove it before servicing the workstation.
Page 140: Jumper And Switch Information
Jumper and Switch Information This chapter provides jumper and switch information for the system board and disk drives in the Compaq Deskpro Workstation AP250. The components on the system board, which is Pentium III-based, are illustrated in Figure 6-1. See Table 6-1 for component names. Figure 6-1.
Page 141 6-2 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Identifier Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: g-ch6 Jumper and Switch Information.doc Last Saved On: 10/4/99 10:08 AM Table 6-1 System Board Components Component...
Page 142: Power-On Password
Jumper and Switch Information 6-3 Power-On Password Figure 6-2 shows the location of the jumper that enables and disables the Power-On Password. Installing the jumper will enable the Power-On Password feature in setup, removing the jumper will disable the Power-On Password. Figure 6-2.
Page 143: Hard Drives
6-4 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Hard Drives The Compaq Deskpro Workstation AP250 supports the Ultra ATA hard drive, Ultra3 SCSI hard drive, 40X MAX CD-ROM drive (IDE), and the DVD-ROM drive. Ultra ATA Hard Drive (20-GB ATA66 7,200 rpm) Drive Size: Configuration Slave...
Page 144: Ultra3 Scsi Hard Drive (9.1-Gb Wu3 10,000 Rpm)
Ultra3 SCSI Hard Drive (9.1-GB WU3 10,000 rpm) Drive Size: Printed Circuit Board SCSI Cable POWER NOTES: 1. All jumper and switch settings are shown in the factory default setting, including those not labeled. 2. Termination default is disabled/removed. Figure 6-4. Locating the jumper positions for the Ultra3 SCSI hard drive (9.1-GB WU3 SCSI 10,000 rpm) Compaq Confidential –...
Page 145: Ultra3 Scsi Hard Drive (18.2-Gb Wu3 10,000 Rpm)
6-6 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Ultra3 SCSI Hard Drive (18.2-GB WU3 10,000 rpm) Drive Size: Pin 1 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.
Page 146: Disk Drives
Disk Drives 40X Max CD-ROM or DVD-ROM Drive Figure 6-6. Locating the jumper positions for the 40X Max CD-ROM drive (IDE) or the DVD-ROM drive Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: g-ch6 Jumper and Switch Information.doc Last Saved On: 10/4/99 10:08 AM Jumper and Switch Information 6-7 C S M...
Page 147: Zip Drive
6-8 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Zip Drive Drive Size: Device 0 (Master) Device 1 (Slave) Cable Select (Default) Figure 6-7. Locating the jumper position for the Zip drive Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: g-ch6 Jumper and Switch Information.doc Last Saved On: 10/4/99 10:08 AM 100 MB Model:...
Page 148: Physical And Operating Specifications
Physical and Operating Specifications This chapter provides operating and performance specifications for the following Compaq Deskpro Workstation AP250 hardware: System unit 200W power supply Diskette drive Hard drives 40X Max CD-ROM drive DVD-ROM drive Zip drive Zip drive cartridge Audio system Keyboard Mouse Graphics controllers...
Page 149: System Unit
7-2 Compaq Deskpro Workstation AP250 Maintenance and Service Guide System Unit Desktop dimensions Height Width Depth Minitower dimensions Height Width Depth Weight (approximate) Power Supply, 200W Operating voltage range Rated voltage range Rated line frequency Rated input current (maximum) Environmental requirements...
Page 150 Hardware IRQ IRQ 0 IRQ 1 IRQ 2 IRQ 3 IRQ 4 IRQ 5 IRQ 6 IRQ 7 IRQ 8 IRQ 9 IRQ 10 IRQ 11 IRQ 12 IRQ 13 IRQ 14 IRQ 15 Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: h-ch7 Physical and Operating Specifications.doc Last Saved On: 10/4/99 4:34 PM Physical and Operating Specifications 7-3...
Page 151 7-4 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Hardware DMA I/O Address (Hex) 000 - 00F 010 - 01F 01F - 01FF 020 - 03F 040 – 043 044 - 05F 062 - 063 065 - 06F 070 - 071 Compaq Confidential –...
Page 152 Table 7-4 System I/O continued I/O Address (Hex) 072-077 072 - 07F 080 - 08F 090 - 091 093 - 09F 0A0 - 0BF 0C0 - 0DF 0E0 - 0EB 0EC - 0ED 0EE - 0EF 0F0 - 0F1 0F2 - 0F3 0F4 - 0F5 0F6 - 0F8 0FC - 0FF...
Page 153 7-6 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Table 7-4 System I/O I/O Address (Hex) 1F8 - 1FF 202 - 21F 220 - 22F 230 - 277 278 - 27F 280 - 2E7 2E8 - 2EF 2F0 - 2F7 2F8 - OFF 300 - 317 318 - 319...
Page 154 Table 7-4 System I/O continued I/O Address (Hex) 3E0 - 3E7 3E8 - 3EF 3F8 - 3FF Memory Address FFFFFFFFh to FFF80000h FEEFFFFFh to FEE00000h FECFFFFFh to FEC00000h C7FFFFFFh to 40000000h I/O Address (Hex) 3FFFFFFFh to 01000000h 00FFFFFFh to 00100000h 000FFFFFh to 000F0000h 000EFFFFh to 000E0000h 000DFFFFh to 000C0000h...
Page 155: 200W Power Supply
7-8 Compaq Deskpro Workstation AP250 Maintenance and Service Guide 200W Power Supply Input Specifications Rated input voltage Rated input current Rated input frequency General specifications Input power Range input line Holdup time Full output rating Minimum load Ambient temperature range Operating Storage Safety standard...
Page 156: Diskette Drive
Diskette Drive Size Light Height Bytes per sector Sectors per track Tracks per side Read/write heads Average access time (ms) Track-to-track (high/low) Average (high/low) Latency average (ms) Data Transfer Rate (Mbit/s) High/low (to/from media) Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: h-ch7 Physical and Operating Specifications.doc Last Saved On: 10/4/99 4:34 PM Physical and Operating Specifications 7-9...
Page 157: Hard Drives
7-10 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Hard Drives 20-GB Ultra ATA Hard Drive (7,200 rpm) Capacity Drive type Transfer rate Media Interface Seek time (typical) Single track Average Full stroke Disk rotation speed Cylinders Data heads (logical) Sectors/track (logical) Buffer size Note: Drive performance may vary slightly, depending upon the vendor.
Page 158: 9-Gb Wide Ultra3 Scsi Hard Drive (10,000 Rpm)
9-GB Wide Ultra3 SCSI Hard Drive (10,000 rpm) 9-GB Ultra3 SCSI Hard Drive (10,000 rpm) Capacity Transfer rate Media Asynchronous Synchronous Ultra3 Seek time (typical) Single track Average Full stroke Disk rotation speed Cylinders Data heads/cylinder Sectors/track Buffer size Note: Drive performance may vary slightly, depending upon the vendor. Compaq Confidential –...
Page 159: 18-Gb Ultra3 Scsi Hard Drive (10,000 Rpm)
7-12 Compaq Deskpro Workstation AP250 Maintenance and Service Guide 18-GB Ultra3 SCSI Hard Drive (10,000 rpm) Capacity Transfer rate Media Asynchronous Synchronous Ultra3 Seek time (typical) Single track Average Full stroke Disk rotation speed Cylinders Data heads/cylinder Sectors/track Buffer size Note: Drive performance may vary slightly, depending upon the vendor.
Page 160: 40X Max Cd-Rom Drive
40X Max CD-ROM Drive 40X Max Tray-Load CD-ROM Drive (IDE) Diameter Capacity Mode 1 Mode 2 Disk thickness Track pitch Performance Access Time Random seek Full stroke seek Data transfer rate Sustained Burst Bus rate Cache/buffer Start-up time Single Multisession Stop-time Error rates Soft error...
Page 161 7-14 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Table 7-10 40X Max Tray-Load CD-ROM Drive (IDE) Height Width Depth Weight Audio interface Line-out connector RMS output voltage S/N ratio Channel separation Noise Frequency response Digital audio out connector Electrical DC power requirements 5 VDC +/-5% 12 VDC +/-5%...
Page 162: Dvd-Rom Drive
DVD-ROM Drive Applicable disc formats Disc diameter Capacity Disc thickness Track pitch Block size Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: h-ch7 Physical and Operating Specifications.doc Last Saved On: 10/4/99 4:34 PM Physical and Operating Specifications 7-15 Table 7-11 DVD-ROM Drive...
Page 163 7-16 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Table 7-11 DVD-ROM Drive PERFORMANCE Access time: Data transfer rate: (1KB = 1024 Bytes) Bus rate: Cache/buffer: Start-up time: Stop time: Error rates: Reliability: Indicators: AUDIO INTERFACE RMS output voltage S/N ratio Channel separation THD and noise Frequency response...
Page 164 Table 7-11 DVD-ROM Drive continued ELECTRICAL DC input power requirements: 5 VDC ± 5% 12 VDC ± 5% DC current: 5 VDC 12 VDC Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: h-ch7 Physical and Operating Specifications.doc Last Saved On: 10/4/99 4:34 PM Physical and Operating Specifications 7-17 Table 7-11...
Page 165: Zip Drive
7-18 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Zip Drive Data transfer rate Seek time (includes settling time) Spindle speed Track-to-track access time Average head switch time Head reload time Start-stop time (average) Zip Drive Cartridge Spare capacity Form factor width Weight Drop height/shock Insertion/removal cycles...
Page 166: Audio System
Audio System Sampling rate Full scale input voltage (rms) Microphone-in Line-in Full scale output voltage (rms) Line-output Dynamic range (SNR) Line-input-to-line-output Digital playback Digital record Total harmonic distortion Frequency response (-3 dB cutoffs) Line level (48 Khz) Speaker Impedance (nominal) Microphone-in Line-in Headphone-out...
Page 167: Keyboard
7-20 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Keyboard Dimensions Height Width Depth Weight Mouse Dimensions Height Length Width Weight Base resolution Tracking speed (maximum) Temperature Operating Storage Lifetime Mechanical Switch Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: h-ch7 Physical and Operating Specifications.doc Last Saved On: 10/4/99 4:34 PM Table 7-15 Compaq Enhanced Keyboard...
Page 168: Graphics Controllers
Graphics Controllers Synergy II Graphics Controller Synergy II Graphics Controller Colors 4-MB Resolution Standard 1920 x 1200 1920 x 1080 1600 x 1280 32,768 1600 x 1200 32,768 1600 x 1000 32,768 1536 x 1152 32,768 1280 x 1024 32,768 1152 x 864 16.7M 1024 x 768...
Page 169: 3Dlabs Oxygen Gvx1 Agp Graphics Controller
7-22 Compaq Deskpro Workstation AP250 Maintenance and Service Guide 3Dlabs Oxygen GVX1 AGP Graphics Controller 3Dlabs Oxygen GVX1 AGP Graphics Controller Color Support Resolution 1920 x 1200 1920 x 1080 1600 x 1200 1280 x 1024 1152 x 864 1024 x 768 640 x 480 Matrox G400 Graphics Controller Matrox G400 Graphics Controller Maximum Color Support...
Page 170: Network Controller
Network Controller Ethernet Network Interface Controller (NIC) Physical connector RJ-45 Operating environment Temperature 50 to 95 F Humidity 10% to 90%, non-condensing Electrical bus 32-bit PCI bus RJ-45 Network Cable Specifications The RJ-45 connections use an unshielded twisted pair (UTP) cable of 22-, 24-, or 26-gauge.
Page 171: External Connectors
This chapter provides an overview of the external connectors, including pin assignments on the Compaq Deskpro Workstation AP250. Physical Location The following illustration identifies the physical location of each connector. Figure 8-1. Identifying the rear panel connectors Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: i-ch8 External Connectors.doc Last Saved On: 10/4/99 10:08 AM Chapter...
Page 172: Rear Panel Connectors
8-2 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Rear Panel Connectors Identifier 6 and 7 Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: i-ch8 External Connectors.doc Last Saved On: 10/4/99 10:08 AM Table 8-1 Rear Panel Connectors Connector...
Page 173: Pin Assignments
Pin Assignments Connector and Icon (Orange) 188368bd.AI, KEYBD.EPS Connector and Icon (Green) Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: i-ch8 External Connectors.doc Last Saved On: 10/4/99 10:08 AM External Connectors 8-3 Table 8-2 Keyboard...
Page 174 8-4 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Connector and Icon Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: i-ch8 External Connectors.doc Last Saved On: 10/4/99 10:08 AM Table 8-4 Parallel Interface 18-25...
Page 175 Connector and Icon Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: i-ch8 External Connectors.doc Last Saved On: 10/4/99 10:08 AM Table 8-5 Serial Interfaces Signal Carrier detect Receive data...
Page 176 8-6 Compaq Deskpro Workstation AP250 Maintenance and Service Guide Connector and Icon 15 14 13 12 11 Note: *For DDC support (I 2 C monitors) Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: i-ch8 External Connectors.doc Last Saved On: 10/4/99 10:08 AM Table 8-6 Video...
Page 177 Connector and Icon 1 3 5 7 2 4 6 8 Connector and Icon Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: i-ch8 External Connectors.doc Last Saved On: 10/4/99 10:08 AM Table 8-7 Ethernet RJ-45 Signal...
Page 178 8-8 Compaq Deskpro Workstation AP250 Maintenance and Service Guide 1-16 17-18 20-34 49-50 Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: i-ch8 External Connectors.doc Last Saved On: 10/4/99 10:08 AM Table 8-9 SCSI Connector Connector and Icon...
Page 179 Audio Line-In Connector Connector and Icon Audio Line-Out Connector Connector and Icon Microphone Connector Connector and Icon (Blue) Headphone Connector Connector and Icon Compaq Confidential – Need to Know Required Writer: Bruce Sullivan Project: Compaq Deskpro Workstation AP250 Maintenance and Service Guide Comments: Part Number: 118133-001 File Name: i-ch8 External Connectors.doc Last Saved On: 10/4/99 10:08 AM External Connectors 8-9 Table 8-10...
Page 180 Symbols and Numbers 1/2 height mounting bracket spare part number 1-7 128-MB memory module installation guidelines 3-27 RIMM 1-4 spare part number 1-4 18-GB Ultra3 SCSI hard drive 6-4 illustrated 6-6 jumper setting 6-6 mixing with Ultra ATA 3-8 spare part number 1-5 specifications 7-12 supporting 3-8, 6-4 20-GB Ultra ATA hard drive 6-4...
Page 181 2 Compaq Deskpro Workstation Maintenance AP250 and Service Guide 733-MHz processor 1-4, 3-31 illustrated 3-31 installing 3-32 removing from heatsink 3-31 illustrated 3-32 spare part number 1-4 9.1-GB Ultra3 SCSI hard drive 6-4 jumper positions 6-5 jumper setting 6-5 mixing with Ultra ATA 3-8 spare part number 1-5 specifications 7-11 supporting 3-8, 6-4...
Page 182 cables data 3-16 disconnecting 3-16 power 3-16 card guide 3-26 spare part number 1-8 cautions 2-1 CD-ROM drive location 3-8 problems, troubleshooting 4-19 spare part number 1-5 chassis/base pan spare part number 1-4 Compaq authorized resellers x, xi Deskpro Workstation AP250 disk drive 6-1 features 5-1 mechanical parts 1-2...
Page 183 8-6 controllers graphic 3DLabs Oxygen GVX1 7-22 Matrox G400 7-22 Synergy II 7-21 network 7-23 cable 7-23 converting desktop to minitower 3-46 CRIMM 3-27 installation 3-27 populating empty slots 3-28 requirement 3-27 delimiter characters 5-6 desktop to minitower, converting 3-46...
Page 184 extended warranty 2-4 external SCSI connector 8-2 FailSafe Boot Block ROM 4-49 figures Figure 1-1. Exploded view of the Compaq Deskpro Workstation AP250 mechanical parts 1-2 Figure 1-2. Exploded view of the Compaq Deskpro Workstation AP250 mechanical parts 1-3 Figure 3-1. Identifying serial number locations 3-2 Figure 3-10.
Page 185 6 Compaq Deskpro Workstation Maintenance AP250 and Service Guide Figure 3-37. Installing a drive in the desktop configuration 3-43 Figure 3-38. Rotating the bezel blank when converting a minitower to a desktop 3-44 Figure 3-39. Releasing the drives with the drivelock 3-45 Figure 3-4.
Page 186 front bezel removing 3-5 front bezel with minitower logo spare part number 1-4 getting help x graphics controller 3Dlabs Oxygen spare part number 1-6 Matrox Productiva G400 spare part number 1-6 Synergy II spare part number 1-6 guide card 3-26 hard drive 18.2-GB spare part number 1-5...
Page 187 8 Compaq Deskpro Workstation Maintenance AP250 and Service Guide hard drive 6-4 Ultra ATA 6-4 Ultra3 SCSI 6-5 Ultra ATA hard drive 6-4 Ultra3 SCSI hard drive 6-5 ZIP drive 6-8 key icon 5-4 keyboard connector 8-2 national delimiter characters 5-6 spare part number 1-5 keyboard lights 4-50 detection of invalid system...
Page 188 network interface connector 8-2 network controller 7-23 network controller problems, troubleshooting 4-21 connector 8-2 NIC WOL cable spare part number 1-5 numbers serial, location 3-1, 3-2 optional hard drive, location 3-8 optional SCSI cable using 3-20 optional SCSI devices 3-19 important guidelines for 3-19 parallel interface reenabling 5-7...
Page 189 10 Compaq Deskpro Workstation Maintenance AP250 and Service Guide rack stability warning ix rear audio connectors headphone connector 8-2 line-out connector 8-2 rear panel connectors AGP connector 8-2 external SCSI connector 8-2 keyboard connector 8-2 mouse connector 8-2 NIC connector 8-2 power cord connector 8-2 Universal Serial Bus connector 8-2...
Page 190 security features and purpose 5-1 setup password 5-3 serial interface reenabling 5-7 serial numbers location 3-1, 3-2 POST recognition 3-1 service authorized technicians 2-2 equipment symbols 2-3 guidelines 2-2 onsite 2-4 preliminaries 2-1 proper service guidelines 2-1 software 2-3 tools 2-2, 2-3 tools and software requirements 2-3 warnings and cautions 2-1...
Page 191 12 Compaq Deskpro Workstation Maintenance AP250 and Service Guide Intel Pentium II processor 1-4 keyboard 1-5 lock security bracket 1-4 Magellan 3D Pointing Device 1-7 Magellan driver 1-7 Maintenance and Service Guide 1-8 Matrox Productiva G400 graphics controller 1-6 Microsoft Windows NT Workstations 4.0 CD 1-7 miscellaneous hardware kit 1-7...
Page 192 standard hard drive, location 3-8 standard warranty 2-4 static electricity, discharging 2-2, support center x hard drive 4-49 hardware x mass storage device 3-7 memory 3-27 count devices 3-27 multiple SCSI devices 3-8 remote ROM flash 4-49 software CD 4-48 technical x video 4-49 symbols...
Page 193 14 Compaq Deskpro Workstation Maintenance AP250 and Service Guide upgrading graphic controller 4-15 memory 3-27 RIMM 3-27 ROM 4-48 remote 4-49 connector 8-2, 8-7 illustrated 8-7 connector, illustrated 8-1 utilities computer setup 4-25 diagnostics 4-25, 4-26 INSPECT 4-28 View System Information (INSPECT) 4-28 view device list 4-28...
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Compaq Deskpro Workstation AP250 Maintenance And Service Manual

About this Guide

Chapter 1 Illustrated Parts Catalog

Chapter 2 Service Preliminaries

Chapter 3 Removal and Replacement Procedures

Removal and Replacement Procedures

Chapter 4 Diagnostic Tools

Chapter 5 System Security

Chapter 6 Jumper and Switch Information

Chapter 7 Physical and Operating Specifications

Chapter 8 External Connectors

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Questions and answers

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Summary of Contents for Compaq Deskpro Workstation AP250

Table of Contents