HP Professional ap550 Compaq Professional Workstation AP550 Maintenance &
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- HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 1
2, and 3 to Compaq Professional Workstation AP550 Maintenance & Service Guide Compaq Professional Workstation AP550 Part number 135618-003 Spare part number 158279-001 The complete MSG follows these addenda. These addenda contain changes to the original document. © 2000 Compaq Computer Corporation - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 2
(154293-001) and clip (120891-001) 600 MHz/133-MHz 162996-001 800 MHz/133-MHz 174768-001 867 MHz/133-MHz 180221-001 Intel Pentium III processor with heatsink (210720-001), air bafle (167373-001) and clip (120891-001) 1 GHz/133 MHz 210403-001 Memory Modules 64-MB ECC Direct Rambus Inline - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 3
Spare Part Numbers (continued) Description Spare Part Number Fast Ethernet NIC PCI, 10/100, Wake-On-LAN 116188-001 NIC 10/100 PCI card with Wake-On/Alert-On LAN 118042-001 Miscellaneous Cable Kit 179182-001 CD-ROM data, 12.5" (179048-001) CD-ROM data, 12.5" (105876-001) Diskette drive, 15 - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 4
G400A Graphics Controller Maximum display resolution Graphics memory Color palette* Double buffering Double-buffering with 85 Hz) 1920x1080 (75 Hz) 1824x1128 (75 Hz) N/A 1152x864 (60 Hz) Aspect Ratio Supported Resolutions with Multisampling 128 bits per pixel 192 bits per pixel 4 x 3 5 x 4 - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 5
) (60 Hz) (60 Hz) (60 Hz) 128 0x 960 1280 x 960 1280 x 960 1280 x 960 (60 Hz) (60 Hz) (60 Hz) (60 Hz) Aspect Ratio Supported Resolutions with Multisampling 128 bits per pixel 192 bits per pixel 4 x 3 1600 x 1200 (85 Hz) 1360 x 1024 (85 Hz) 5 x 4 16 x 9 16 x 10 4 x 3 Frame Sequential - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 6
94 kHz 75 - 95 kHz ELSA Gloria II AGP Graphics Controller Graphics Maximum Colors Memory Supported Resolution Maximum Refresh Memory Dedicated Rate to Texture Support 64 MB 16.7M 640 x 480 800 x 600 1024 x 768 1152 x but may not be officially supported by Compaq. 6 Addenda to MSG 135618-001 - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 7
Air Baffle Assembly 135618-001 7 - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 8
Compaq Professional Workstation AP550 Maintenance and Service Guide - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 9
Professional Workstation AP550 Maintenance and Service Guide First Edition (October 1999) Part Number 135618-001 Spare Part Number 158279-001 Compaq Computer Corporation - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 10
Microsoft Corporation. Pentium is a registered trademark and Xeon is a trademark of Intel Corporation. Other product names mentioned herein may be trademarks and/or registered trademarks of their respective companies. Compaq Professional Workstation AP550 Maintenance and Service Guide First Edition - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 11
This Guide Symbols in Text ...vii Compaq Technician Notes viii Where to Go for Additional Help ix Telephone Numbers ix Chapter 1 Illustrated Parts Catalog Overview...1-2 Mechanical Parts 1-2 System Components 1-3 Spare Parts List ...1-4 Mechanical Components 1-4 System Components 1-5 Memory - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 12
Pentium III Processor 3-41 Removing the Heatsink from the 733-MHz Processor 3-43 Processor Guide Rails (URM 3-45 Speaker...3-46 System Board Fan 3-47 Power Supply ...3-48 Power Switch ...3-50 System Board ...3-51 I/O Panel ...3-53 Lithium Battery ...3-54 Converting a Minitower to a Desktop - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 13
Troubleshooting Minor Problems 4-9 Power Problems 4-10 Diskette Drive Problems 4-11 Display Problems 4-12 Printer Problems 4-13 Hard Drive Problems 4-14 Hardware Installation Problems 4-15 DVD-ROM and CD-ROM Drive (IDE) Problems 4-16 Memory Problems 4-17 SCSI Problems 4-17 Network Problems - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 14
vi Compaq Professional Workstation AP550 Maintenance and Service Guide Chapter 6 Jumper and Switch Information Overview...6-1 Mass Storage ...6-3 9.1-GB Ultra3 SCSI Hard Drive 6-3 18-GB Ultra3 SCSI Hard Drive 6-4 CD-ROM or DVD-ROM Drive 6-5 - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 15
About This Guide This maintenance and service guide is a troubleshooting guide that can be used for reference when servicing Compaq Professional Workstation AP550. WARNING: To reduce the risk of personal injury from electrical shock and hazardous energy levels, only authorized service technicians - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 16
viii Compaq Professional Workstation AP550 Maintenance and Service Guide 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. - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 17
sources are available: s User documentation s Compaq Service Quick Reference Guide s Service Training Guides s Compaq Service Advisories and Bulletins s Compaq QuickFind s Compaq Insight Manager s Workstation Reference Library CD NOTE: The Workstation Reference Library CD contains detailed product - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 18
1 Chapter Illustrated Parts Catalog This chapter provides an illustrated parts breakdown and a reference for spare parts for the Compaq Professional Workstation AP550. - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 19
1-2 Compaq Professional Workstation AP550 Maintenance and Service Guide Overview Mechanical Parts Figure 1-1. Exploded view for the Compaq Professional Workstation AP550 mechanical parts - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 20
System Components Illustrated Parts Catalog 1-3 Figure 1-2. Exploded view for the Compaq Professional Workstation AP550 system components - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 21
1-4 Compaq Professional Workstation AP550 Maintenance and Service Guide Spare Parts List Mechanical Components 2 1 3 Figure 1-3. Mechanical components for the Compaq Professional Workstation AP550 Table 1-1 Mechanical Components Spare Parts List Item Description 1 Workstation access panel - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 22
Spare Parts List Item Description 1 Intel Pentium III Processor, 600EB-MHz with a 133-MHz front-side bus 2 Intel Pentium III Processor, 733-MHz with a 133-MHz front-side bus 3 Battery 4 System board for the Compaq Professional Workstation AP550 5 Terminator board for secondary processor slot - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 23
1-6 Compaq Professional Workstation AP550 Maintenance and Service Guide Memory 8 10 9 1 11 Figure 1-5. Memory for the Compaq Professional Workstation AP550 Table 1-3 Memory Spare Parts List Item Description 1 64-MB ECC Direct Rambus Inline Memory Modules (RIMM) 600-MHz 2 64-MB ECC Direct - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 24
Mass Storage Devices 2 Illustrated Parts Catalog 1-7 8 3 7 Figure 1-6. Mass storage devices for the Compaq Professional Workstation AP550 Table 1-4 Mass Storage Device Spare Parts List Item Description 1 DVD-ROM drive (6X is available on select models) 2 9-GB Ultra3 SCSI hard drive (10,000 - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 25
1-8 Compaq Professional Workstation AP550 Maintenance and Service Guide Cable Kits 1 2 3 Figure 1-7. Cable kits for the Compaq Professional Workstation AP550 Table 1-5 Cable Kits Spare Parts List Item Description 1 Miscellaneous Cable Kit (166838-001, 288489-002, 247116-001, 242947-001) 2 SCSI - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 26
Graphic Controllers Illustrated Parts Catalog 1-9 1 3 2 6 4 Figure 1-8. Graphic controllers for the Compaq Professional Workstation AP550 Table 1-6 Graphics Controllers Spare Parts List Item Description 1 Matrox Productiva G100 Multi-Monitor 2 Matrox G400 16-MB 4X AGP (2D) 3 ELSA - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 27
1-10 Compaq Professional Workstation AP550 Maintenance and Service Guide Network Controllers 1 2 Figure 1-9. Network controllers for the Compaq Professional Workstation AP550 Table 1-7 Network Controllers Spare Parts List Item Description 1 Compaq NC3121 Fast Ethernet NIC PCI, 10/100, Wake-on - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 28
Monitor 17 V700 Color Monitor 18 S900 Color Monitor 19 S700 Color Monitor 20 TFT 500: Order TFT 500 spare part from the TFT 500 guide (PN 285012-001) Note: Parts or components marked with an asterisk (*) are not illustrated. Spare Part # 269513-001* 327716-001* 118029-001* 307806-xxx - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 29
1-12 Compaq Professional Workstation AP550 Maintenance and Service Guide Software and Miscellaneous Table 1-9 Software and Miscellaneous Spare Parts List Item Description Software 1 Microsoft Windows NT Workstation 4.0 CD Miscellaneous 2 3.5- to 5.25-inch diskette drive mounting bracket - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 30
Preliminaries Overview This chapter identifies the following service considerations: s Preliminary warnings and cautions s Electrostatic discharge information s Equipment symbols s Tools and software requirements s Warranty information IMPORTANT: Adherence to the procedures and precautions described - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 31
2-2 Compaq Professional Workstation AP550 Maintenance and Service Guide Preliminary Warnings and Cautions The following should be noted when operating or servicing the Compaq Professional Workstation AP550: WARNING: To reduce the risk of electric shock or damage to the equipment: s If the system has - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 32
tools. 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 - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 33
Compaq Professional Workstation AP550 Maintenance and Service Guide Tools and Software Requirements To service the workstation, you might need the following: s Torx T-10 screwdriver s Torx T-15 screwdriver s Flat-blade screwdriver s Diagnostics diskette IMPORTANT: Before servicing the workstation - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 34
This chapter provides subassembly/module-level removal and replacement procedures for the Compaq Professional Workstation AP550. After completing all necessary removal and replacement procedures, run the Compaq Setup and Diagnostics program to verify that all components are operating properly - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 35
3-2 Compaq Professional Workstation AP550 Maintenance and Service Guide Serial Number Provide the computer serial number to Compaq whenever you request information or order spare parts. The serial number is located on the top corner of the workstation 1 and on the rear of the chassis 2. For asset - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 36
AC outlet. 3. Turn off all peripheral devices and disconnect cables from the rear of the workstation. NOTE: See Chapter 2 for more information on preparing the workstation for service. Cable Lock The workstation comes standard with a cable lock provision for attaching a padlock and/or cable lock. If - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 37
3-4 Compaq Professional Workstation AP550 Maintenance and Service Guide Workstation Access Panel To remove the workstation access panel (137384-001): 1. Perform the steps in the "Service Preparations" section as previously shown. CAUTION: Before removing the workstation access panel, ensure that the - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 38
Removal and Replacement Procedures 3-5 3. Slide the workstation access panel back about 1 inch (2.5 cm), then lift it off the workstation. Figure 3-4. Removing the workstation access panel To replace the workstation access panel, reverse the above procedure. - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 39
3-6 Compaq Professional Workstation AP550 Maintenance and Service Guide Front Bezel To remove the front bezel (158278-001): 1. Perform the steps in the "Service Preparations" section as previously shown. CAUTION: Before removing the workstation access panel, ensure that the workstation is turned off - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 40
desktop configuration or from a desktop to a minitower configuration. To remove the bezel blank from the front bezel: 1. Perform the steps in the "Service Preparations" section as previously shown. CAUTION: Before removing the workstation the side workstation access panel. desktop orientation, the bezel - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 41
DESKTOP 3-8 Compaq Professional Workstation AP550 Maintenance and Service Guide 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. DESKTOP/TOWER KEY TOWER Figure 3-7. Identifying the - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 42
Devices This section discusses removal and replacement procedures for the mass storage devices supported on the Compaq Professional Workstation AP550. Drive Positions The Compaq Professional Workstation AP550 can house up to five mass storage devices. The following illustration identifies the - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 43
3-10 Compaq Professional Workstation AP550 Maintenance and Service Guide IMPORTANT: You must 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 - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 44
Procedures 3-11 3.5-Inch Hard Drive To remove a 3.5-inch hard drive: 1. Perform the steps in the "Service Preparations" section as previously shown. CAUTION: Before removing the workstation access panel, ensure that the workstation is turned off, all cables are disconnected from the back of the - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 45
3-12 Compaq Professional Workstation AP550 Maintenance and Service Guide 5. Raise the drivelock to unlock the hard drive. Figure 3-11. Releasing the hard drive by front of the drive bay 1. 2 1 2 Figure 3-12. Removing a 3.5-inch hard drive 7. Remove the two guide screws from each side of the drive 2. - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 46
: 1. Install two guide screws on each side of the replacement drive, making sure the guide screws line up with the guide slots. 2. Slide steps in the "Service Preparations" section as previously shown. CAUTION: Before removing the workstation access panel, ensure that the workstation is turned off, - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 47
3-14 Compaq Professional Workstation AP550 Maintenance and Service Guide 6. Hold the drivelock up while you push the drive from the rear and remove it from the front of the drive bay. Figure 3-14. Removing a 3.5-inch drive from a 5.25-inch drive bay - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 48
Removal and Replacement Procedures 3-15 7. To remove the bracket brace from the top of the drive adapter, squeeze in on both sides of the brace 1, then rotate the brace up and out 2. 8. Remove the drive bezel 3. 9. Remove the screws that secure the hard drive to the drive adapter 4. 10. Remove the - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 49
3-16 Compaq Professional Workstation AP550 Maintenance and Service Guide 5.25-Inch Drive To remove a 5.25-inch drive: 1. Perform the steps in the "Service Preparations" section as previously shown. CAUTION: Before removing the workstation access panel, ensure that the workstation is turned off, all - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 50
. Figure 3-18. Removing a 5.25-inch drive To replace the hard drive: 1. Install two M3 guide screws (Figure 3-9) into the bottom holes on each side of the replacement drive, making sure the guide screws line up with the guide slots. 2. Slide the drive into the drive bay until it snaps into place. - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 51
3-18 Compaq Professional Workstation AP550 Maintenance and Service Guide Installing Optional SCSI Devices Select models of the Compaq Professional Workstation AP550 have a preinstalled internal SCSI hard drive. You can install additional SCSI devices using the external SCSI connector located on the - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 52
all external SCSI device before turning on the power to the workstation. All SCSI hard drives must be either internal or external, but 50-pin SCSI devices, use an internal cable adapter (Compaq number 199618-001) or an external cable adapter (Compaq number 270187-B21). CAUTION: Do not route cables - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 53
3-20 Compaq Professional Workstation AP550 Maintenance and Service Guide Using the Multi-Mode (SCSI) Cable The workstation ships standard with a three-device multi-mode (SCSI) cable that supports both low voltage differential (LVD) and single ended (SE) devices and has a terminator 1 on one end. The - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 54
secure the drives in both the minitower and desktop configurations. To remove the drivelocks: 1. Perform the steps in the "Service Preparations" section as previously shown. CAUTION: Before removing the workstation access panel, ensure that the workstation is turned off, all cables are disconnected - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 55
3-22 Compaq Professional Workstation AP550 Maintenance and Service Guide To reinstall the drivelocks: 1. Insert the left side of the drivelock (with the rounded tabs) into the slots on the drive cage 1. 2. Place the washer - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 56
Removal and Replacement Procedures 3-23 Expansion Boards The following illustration identifies the physical location of expansion slots. All connectors populate full-length boards. See the corresponding table for component names. 1 2 3 4 5 Figure 3-22. Overview of the expansion board slots Table - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 57
3-24 Compaq Professional Workstation AP550 Maintenance and Service Guide Removing an Expansion Board To remove an expansion board: 1. Perform the steps in the "Service Preparations" section as previously shown. CAUTION: Before removing the workstation access panel, ensure that the workstation is - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 58
Expansion Board If the expansion board comes with jumper or switch settings, be sure to follow the setting instructions that have been provided with the board. To install a PCI expansion board: 1. Turn off the workstation and disconnect the power cord from the grounded AC outlet and the back of the - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 59
3-26 Compaq Professional Workstation AP550 Maintenance and Service Guide Refer to the following illustration to install a PCI expansion board. 1. Slide the expansion board into the expansion slot and press it firmly into place. Figure 3- - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 60
the "Service Preparations" section as previously shown. CAUTION: Before removing the workstation access panel, ensure that the workstation is workstation, and the power cord is disconnected from the grounded AC outlet. 2. Remove the workstation access panel. 3. Rotate the workstation to the desktop - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 61
3-28 Compaq Professional Workstation AP550 Maintenance and Service Guide Card Guide To remove the card guide: 1. Perform the steps in the "Service Preparations" section as previously shown. CAUTION: Before removing the workstation access panel, ensure that the workstation is turned off, all cables - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 62
Removal and Replacement Procedures 3-29 Memory Modules Overview The Compaq Professional Workstation AP550 supports the following memory modules: s RIMMs-The workstation supports 600-MHz and 800-MHz Error Checking and Correcting (ECC) Direct Rambus Inline Memory Modules (RIMMs). Additional RIMMs are - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 63
Compaq Professional Workstation AP550 Maintenance and Service Guide RIMM Slot Locations and Configurations Your workstation supports four RIMM sockets on two Dual Direct RDRAM channels. Both channels support Memory Channel A RIMM Slot XMM1 RIMM Slot XMM2 RIMM CRIMM RIMM RIMM Memory - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 64
64-, 128-, or 256-MB, 600-MHz or 800-MHz Error Checking and Correcting (ECC) RIMMs. Do not mix 600- with 800-MHz RIMMs. Do not exceed 32-count memory module, be careful not to touch any of the contacts. Doing so may damage the module. NOTE: The workstation will support up to 2-gigabyte of memory - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 65
3-32 Compaq Professional Workstation AP550 Maintenance and Service Guide RIMM Removal To remove a RIMM memory module: IMPORTANT: Before installing additional RIMMs, read the previous section, "Important Guidelines for RIMM Installation." 1. Perform the steps in the "Service Preparations" section as - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 66
and Replacement Procedures 3-33 RIMM Installation To install a RIMM memory module: 1. Perform the steps in the "Service Preparations" section as previously shown. CAUTION: Before removing the workstation access panel, ensure that the workstation is turned off, all cables are disconnected from the - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 67
3-34 Compaq Professional Workstation AP550 Maintenance and Service Guide DIMM Location and Configurations SDRAM Expansion Boards DIMM-based workstation models come with a synchronous dynamic random access memory (SDRAM) expansion boards installed that supports at least 64-megabyte of Error Checking - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 68
Use only 64-, 128-, 256-, or 512-MB, Registered 100-MHz Error Checking and Correcting (ECC) DIMMs. SDRAM expansion boards must be NOT SUPPORT ERROR CHECKING AND CORRECTING (ECC). Only two SDRAM expansion boards are supported. Total system support is up to four DIMMs providing up to 2-GB total memory - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 69
3-36 Compaq Professional Workstation AP550 Maintenance and Service Guide Table 3-9 DIMM Guidelines continued Guideline when installing SDRAM expansion boards, or the workstation will not function. CAUTION: RIMM sockets have gold metal contacts. When upgrading memory, it is important to use SDRAM - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 70
install a DIMM memory module: IMPORTANT: Before installing a SDRAM expansion board, read the previous section, "Important Guidelines for DIMM Installation." 1. Perform the steps in the "Service Preparations" section as previously shown. CAUTION: Before removing the workstation access panel, ensure - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 71
3-38 Compaq Professional Workstation AP550 Maintenance and Service Guide CAUTION: When handling a SDRAM expansion board, be careful not to touch any of the contacts. Doing so may damage the module. 3. Insert the DIMM at a - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 72
Removal and Replacement Procedures 3-39 Figure 3-33. Side access panel with stabilizer card 7. When attaching the workstation access panel, assure the SDRAM expansion board stabilizer card (attached to the side access panel) engages with the SDRAM expansion boards, holding the boards in - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 73
3-40 Compaq Professional Workstation AP550 Maintenance and Service Guide Processor Removing a Processor WARNING: To reduce the risk of personal injury from hot surfaces, allow the internal system components to cool before touching. To remove the processor: 1. Perform the steps in the "Service - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 74
reseller or service provider install the processor. If you plan to install a processor yourself, carefully read all the instructions before you begin. IMPORTANT: An empty processor slot must contain a terminator board. To install a second Pentium III processor: 1. Turn off the workstation and - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 75
3-42 Compaq Professional Workstation AP550 Maintenance and Service Guide 5. Pull out the retaining tabs on each side of the terminator board 1, and then speed, cache size, and type as the existing processor. Reassemble the workstation, and connect the power cord to the grounded AC outlet and to the - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 76
cool before touching. To remove the heatsink from the 733-MHz processor (163363-001): 1. Perform the steps in the "Service Preparations" section as previously shown. CAUTION: Before removing the workstation access panel, ensure that the workstation is turned off, all cables are disconnected from the - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 77
3-44 Compaq Professional Workstation AP550 Maintenance and Service Guide 5. Lift the processor off the pins on the back of the heatsink to remove it from the heatsink 2. 2 Figure 3-39. Removing the metal clip and - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 78
briefly touching a grounded metal object. To remove the processor guide rails: 1. Perform the steps in the "Service Preparations" section as previously shown. CAUTION: Before removing the workstation access panel, ensure that the workstation is turned off, all cables are disconnected from the back - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 79
3-46 Compaq Professional Workstation AP550 Maintenance and Service Guide Speaker To remove the speaker (158267-001): 1. Perform the steps in the "Service Preparations" section as previously shown. CAUTION: Before removing the workstation access panel, ensure that the workstation is turned off, all - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 80
3-47 System Board Fan To remove the system board fan (158275-001): 1. Perform the steps in the "Service Preparations" section as previously shown. CAUTION: Before removing the workstation access panel, ensure that the workstation is turned off, all cables are disconnected from the back of the - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 81
3-48 Compaq Professional Workstation AP550 Maintenance and Service Guide Power Supply To remove the power supply (128399-001): 1. Perform the steps in the "Service Preparations" section as previously shown. CAUTION: Before removing the workstation access panel, ensure that the workstation is turned - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 82
Removal and Replacement Procedures 3-49 4. Remove the four external screws that secure the power supply to the back of the chassis 1. NOTE: The internal screw that secures the power supply to the side of the chassis may not need to be removed, only loosened. 5. Slide the power supply toward the - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 83
3-50 Compaq Professional Workstation AP550 Maintenance and Service Guide Power Switch CAUTION: The power switch should not be removed from the switch holder. Doing so may damage the switch components. To remove the power switch and switch holder (166925-001): 1. Perform the steps in the "Service - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 84
the grounded AC outlet. 2. Remove the workstation access panel. 3. With the workstation in the desktop position, remove the speaker. 4. Remove all expansion boards. 5. Disconnect all cables that are attached to the system board. 6. Remove the processor, processor guide rails, and the RIMMs or SDRAM - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 85
3-52 Compaq Professional Workstation AP550 Maintenance and Service Guide 8. Remove the retaining screws that secure the system board to the chassis 1. 9. Slide the board 1/2-inch toward the front of the chassis to clear the I/O - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 86
and Replacement Procedures 3-53 I/O Panel To remove the I/O panel: 1. Perform the steps in the "Service Preparations" section as previously shown. CAUTION: Before removing the workstation access panel, ensure that the workstation is turned off, all cables are disconnected from the back of the - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 87
3-54 Compaq Professional Workstation AP550 Maintenance and Service Guide Lithium Battery NOTE: When replacing a battery, use a CR2032 or equivalent 3-volt lithium coin cell battery. WARNING: The system board contains a lithium-ion battery pack. There - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 88
4. Lift the battery out of the holder. Removal and Replacement Procedures 3-55 Figure 3-48. Removing the battery To replace the battery, slide the replacement battery into position with the positive side up. IMPORTANT: Positive polarity should be positioned up. NOTE: The battery holder - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 89
56 Compaq Professional Workstation AP550 Maintenance and Service Guide Converting a Minitower to a Desktop Configuration To convert a minitower to a desktop configuration: 1. Perform the steps in the "Service Preparations" section as previously shown. CAUTION: Before removing the workstation access - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 90
inserted, the drivelock will secure them. 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. Figure 3-50. Installing a drive in the - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 91
3-58 Compaq Professional Workstation AP550 Maintenance and Service Guide 1 2 Figure 3-51. Rotating the bezel blanks when converting a minitower 1 to a desktop 2 9. Gently pull the subpanel, with the bezel blank secured, away from the front bezel, remove, and rotate the bezel blank. CAUTION: Hold the - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 92
Procedures 3-59 Converting a Desktop to a Minitower Configuration To convert a desktop to a minitower configuration: 1. Perform the steps in the "Service Preparations" section as previously shown. CAUTION: Before removing the workstation access panel, ensure that the workstation is turned off, all - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 93
3-60 Compaq Professional Workstation AP550 Maintenance and Service Guide 7. Rotate each drive clockwise 90 degrees, then reinstall it into the drive bay. When the drives are properly inserted, the drivelock will secure them. IMPORTANT: - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 94
alignment. 1 2 Figure 3-54. Rotating the bezel blanks when converting a desktop 1 to a minitower 2 10. Replace the subpanel and front bezel, ensuring subpanel keyed-alignment positions. 11. Reassemble the workstation. NOTE: When switching from desktop to minitower orientation, the bezel blank should - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 95
on the following topics to assist you when servicing the Compaq Professional Workstation AP550: s Power-On Self-Test (POST) s Troubleshooting Minor Problems s Computer Setup and Diagnostics Utilities s Clearing Configuration Memory s Diagnostic Utilities s Error Codes s ROMPaq s Fault Management - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 96
4-2 Compaq Professional Workstation AP550 Maintenance and Service Guide Power-On Self-Test (POST) POST s Processor s Controllers POST also detects the type of SCSI mass storage devices that are installed in the workstation. NOTE: If the Power-On Password is set, a key icon ( ) appears on the screen - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 97
the workstation for service. Error Problem System ROM checksum Option ROM checksum DMA, timers, and so forth Hardware component. An add-in card in the system appeared not to work correctly. Recommended Action Contact your Compaq authorized service provider Contact your Compaq authorized service - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 98
4-4 Compaq Professional Workstation AP550 Maintenance and Service Guide Table 4-1 POST Error Messages continued Error Code Audible Beeps L=Long S=Short 162-System Options 2S Error 162-System Options 2S Not Set 163-Time & Date Not 2S Set 164-Memory Size 2S Error 201-Memory Error None - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 99
Probable Source of Problem A memory error on one of the installed RIMMs has been detected and corrected with the system's ECC logic. The workstation will continue to operate correctly despite this error. Processor has failed to initialize. Memory configuration is not supported by system firmware - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 100
4-6 Compaq Professional Workstation AP550 Maintenance and Service Guide Table 4-1 POST Error Messages continued Error Code Audible 0 Failure 1781-Disk 1 Failure 1782-Disk Controller Failure Probable Source of Problem Mismatch in drive type. The machine cover has been removed. Please ensure - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 101
Error System Halted Invalid Electronic None Serial Number Probable Source of Problem IDE Hard drive failure. IDE Hard drive failure. IDE circuitry failure your Compaq authorized service provider. Contact your Compaq authorized service provider. Contact your Compaq authorized service provider - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 102
4-8 Compaq Professional Workstation AP550 Maintenance and Service Guide Table 4-1 POST Error Messages continued Error Code Audible Beeps L=Long S=Short Audible 1L, 3S 1800-Temperature alert Probable Source of Problem System ROM is bad; System is running in Failsafe boot block mode. The system - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 103
Tools 4-9 Troubleshooting Minor Problems If minor hardware or software problems occur, refer to the following list for possible solutions before running any of the diagnostic utilities: s Verify that the workstation is connected to a working grounded AC outlet. s Is the workstation turned on - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 104
4-10 Compaq Professional Workstation AP550 Maintenance and Service Guide Power Problems Table 4-2 Solutions for Power Problems Problem Computer will not turn on. Computer does not automatically display the date and time. Computer powered off automatically. Insufficient power to the components. - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 105
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. Possible Solution Diskette could be installed incorrectly. Remove the diskette and reinsert - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 106
4-12 Compaq Professional Workstation AP550 Maintenance and Service Guide Display Problems Table 4-4 Solutions for Display Problems Problem Screen is blank. was upgraded, the correct display drivers may not be loaded. Install the correct display drivers on the diskette included in the upgrade - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 107
Table 4-5 Solutions for Printer Problems Possible Solution Printer is not turned on and online. Turn the printer on and be sure it is online. The correct printer drivers for the application are not installed. Install the correct printer drivers for the application. If the workstation is on a network - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 108
4-14 Compaq Professional Workstation AP550 Maintenance and Service Guide Hard Drive 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 - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 109
Tools 4-15 Hardware Installation Problems Table 4-7 Solutions for Hardware Installation Problems Problem A new device is not to the configuration, you did not accept them. Restart the workstation and follow the instructions for accepting the changes. The system may not have automatically - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 110
Compaq Professional Workstation AP550 Maintenance and Service Guide DVD-ROM and CD-ROM Drive (IDE) Problems Table 4-8 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 - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 111
workstation has run out of memory to run the application. Check the application documentation to determine memory requirements Memory Modules" section in Chapter 3 for memory installation and removal guidelines. SCSI Problems Problem System will not boot from a SCSI drive Table 4-10 SCSI Problems - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 112
4-18 Compaq Professional Workstation AP550 Maintenance and Service Guide Network Problems The process of debugging network cabling is not discussed. Table 4-11 Network Problems Problem System does not detect a network controller. System Setup utility reports unprogrammed EPROM. Cause 1. Possible - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 113
current configuration. 2. The network controller is not configured for the workstation. 3. The network controller interrupt or memory overlaps the interrupt or memory of an expansion board. 1. Network drivers are not loaded or driver parameters do not match the current configuration. 2. The cable is - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 114
Compaq Professional Workstation AP550 Maintenance and Service Guide Table 4-11 Network Problems continued Problem Network controller stopped working without apparent cause. Cause 1. The files containing the network drivers s Base I/O address 220H s OPL III I/O address 388-38Bh s Interrupt IRQ - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 115
configuration error is detected during the Power-On Self-Test (POST) s To change the factory default settings for some of the workstation features s To change the system configuration, which is sometimes necessary upon adding or removing optional hardware s To set system configuration features - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 116
Compaq Professional Workstation AP550 Maintenance and Service Guide Accessing the Computer Setup Menu NOTE: Computer Setup is built into the reprogrammable system ROM on the Compaq Professional Workstation AP550 options and drivers in the operating system after they have been configured by the Setup utility - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 117
number, system ROM date, system board revision, installed memory size, and asset tracking number. Select File, then Media, the workstation will restart. Turn the workstation off, then on, manually. View information regarding supports Boot Connection Vectors (BCV) through the BIOS Boot - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 118
4-24 Compaq Professional Workstation AP550 Maintenance and Service Guide Table 4-12 Computer Setup continued Task Set the power button configuration (on/off or suspend/wakeup) and enable/disable power LED blink-in-suspend mode. - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 119
and Exit. Select File, then select Ignore Changes and Exit. Select File, then select Save Changes and Exit. Clearing Configuration Memory The Workstation Configuration Memory Operating System (CMOS) may occasionally be corrupted. When this occurs, it is usually due to software or hardware that is - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 120
4-26 Compaq Professional Workstation AP550 Maintenance and Service Guide 4. Locate the SW50 Clear CMOS switch on the system board. Figure 4-1. Locating the SW50 Clear CMOS switch on the system board 5. Press the SW50 Clear CMOS switch to clear the workstation CMOS. 6. Replace the workstation access - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 121
s Memory s Keyboard s Pointing device interface s Parallel interfaces s Graphics controllers s Diskette drives s Fixed disks s Serial interfaces s Installed Compaq devices (tape drive, SCSI device, or network status) NOTE: You must create a diagnostics diskette before you can run TEST. Instructions - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 122
4-28 Compaq Professional Workstation AP550 Maintenance and Service Guide To run TEST: 1. Restart the workstation from the diagnostics diskette TEST utility, be sure to record any error message numbers. 7. Follow the instructions on the screen as the diagnostic tests are run on the devices. When the - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 123
s System storage s System ports s Current memory configuration s ROM version s Type of processor Instructions for creating and using the Compaq Diagnostic Diskette are located on the Compaq website: www.compaq in Compaq Diagnostics for Windows NT. To run INSPECT: 1. Restart the workstation from the - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 124
4-30 Compaq Professional Workstation AP550 Maintenance and Service Guide Running Diagnostic Utilities for Error Codes Diagnostics a particular subassembly. NOTE: Retest the system after completing each step. If the problem has been resolved, do not proceed with the remaining steps. If you encounter - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 125
Error Codes Microprocessor Error Code 101-xx 102-xx 103-xx 104-xx 105-xx 106-xx 107-xx 108-xx 109-xx 110-xx 113-01 114-01 199-xx Diagnostic Tools 4-31 Table 4-13 Microprocessor Test Error Codes Description CPU test failed. Coprocessor error. DMA controller failed. Interrupt controller failed. - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 126
Compaq Professional Workstation AP550 Maintenance and Service Guide Memory Error Code 200-xx 202-xx 203-xx 204-xx 211-xx 214-xx 215-xx Table 4-14 Memory Test Error Codes Description Memory machine ID test failed. Memory system ROM checksum failed. Memory write/read test failed. Memory problems. - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 127
Printer Error Code 401-xx 402-xx 403-xx 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 Diagnostic Tools 4-33 Table 4-16 Parallel Printer Test Error Codes Description Printer failed or not connected. Printer port test failed. Printer - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 128
4-34 Compaq Professional Workstation AP550 Maintenance and Service Guide Serial Port Error Code 1101-xx Modem Error Code 1201-xx 1202-xx 1203-xx 1204-xx 1205-xx 1210-xx Pointing Device Error Code - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 129
Diagnostic Tools 4-35 DVD-ROM and CD-ROM Drive (IDE) Error Code 3301-xx 3305-xx 6600-xx 6600-xx 6605-xx 6608-xx 6623-xx Table 4-21 DVD-ROM and CD-ROM Drive (IDE) Description CD-ROM drive read test failed. CD-ROM drive seek test failed. ID test failed. ID test failed. Read test failed. Controller - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 130
4-36 Compaq Professional Workstation AP550 Maintenance and Service Guide Video Error Code 501- 2408-xx 2409-xx Table 4-23 Video Test Error Codes Description Graphics controller test failed. Video memory test failed. Video attribute test failed. Video character set test failed. Video 80 × 25 mode - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 131
Description Video 640 × 200 mode test failed. Video screen memory page test failed. Video gray scale test failed. Video white screen test failed. Video noise pattern test failed. ECG/VGC memory test failed. ECG/VGC ROM checksum test failed. ECG/VGC 640 × 200 - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 132
4-38 Compaq Professional Workstation AP550 Maintenance and Service Guide Audio Error Code 3206-xx Network Interface Action The following steps apply to error codes 6000-xx through 6089-xx: 1. Turn the workstation off and on (cold boot) and then run Computer Setup or Windows NT utilities. 2. - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 133
error code of 6523-05, you would look at: Y Table 4-26 to identify the meaning of the first two numbers, 65. This indicates a hard drive problem. Y Table 4-27 to identify the meaning of the second two numbers, 23. This refers to a random read. Y Table 4-28 to identify the meaning of the - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 134
4-40 Compaq Professional Workstation AP550 Maintenance and Service Guide Error Code XX00-XX XX05-XX XX06-XX 21 65XX-24 Table 4-27 SCSI Test Names Device ID Read SA/Media Random Read Media load/unload Table 4-28 SCSI Test Error Codes Description Drive not installed Media not in drive Seek failure - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 135
, C/D, and/or I/O lines bad BSY never went busy BSY stayed busy Controller CONFIG-1 register bad Controller CONFIG-2 register bad Media not unloaded Recommended Action 1. Replace current DATA CD with different DATA CD. 2. Replace drive. 1. Ensure correct media type for this tape drive. 2. Replace - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 136
4-42 Compaq Professional Workstation AP550 Maintenance and Service Guide Table 4-28 SCSI Test Error Codes continued in autoloader tape drive according to test instructions. 2. Change autoloader magazine. Upgrading the ROM If the Compaq Professional Workstation AP550 does not have a Setup Password - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 137
Diagnostic Tools 4-43 Remote ROM Flash The Compaq Professional Workstation AP550 offers Remote ROM upgrade capability. The following software is available for downloading from the Compaq website: www.compaq.com s Remote Management Setup (allows upgrading of the system ROM remotely) Y Remote ROM - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 138
4-44 Compaq Professional Workstation AP550 Maintenance and Service Guide When the system successfully starts from the diskette and reprograms diskette. If the light remains turned on, contact Compaq customer support. ROM upgrade successfully completed. Turn the power off and then back on - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 139
, HP OpenView or IBM Tivoli TME10 NetView), the workstation also sends a fault notice to the network management application. SMART III Hard Drive Fault Prediction SMART III extends SMART II capability. A SMART III hard drive will monitor and report on its own health, in addition to fixing problems - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 140
NT Workstation Installation Guide provided with your workstation. Compaq Insight Manager provides the following features to help you support the Compaq Professional Workstation AP550: s Remote alerts for Pentium Pro, Pentium II, Pentium III, and Pentium II Xeon processor prefailure; ECC RIMM memory - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 141
4-47 Compaq Restore CD The Compaq Restore CD is a set of Compaq-specific drivers and Compaq value added software that enables the workstation to operate at optimum performance. Updates are available on the Compaq website at www.compaq.com and through a subscription to the Compaq Support Software CD - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 142
Compaq Professional Workstation AP550 Maintenance and Service Guide Compaq Diagnostics for Windows NT To use Compaq Diagnostics for Windows NT: 1. Double-click the Compaq INSPECT). 4. Review, print, and, if necessary, discuss this information with your authorized Compaq Reseller or service provider. - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 143
5 Chapter System Security Security Features The Compaq Professional Workstation AP550 is equipped with features that secure valuable components and system integrity. The following table identifies and explains the security features. Feature Setup Password Power-On - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 144
5-2 Compaq Professional Workstation AP550 Maintenance and Service Guide Table 5-1 Security Features continued displayed, you must restart the workstation again to access the utility. 3. From the main menu, select Security, then select Setup Password, and follow the instructions on the screen. 4. - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 145
to access the utility. 3. From the main menu, select Security, then Power-On Password and follow the instructions on the screen. 4. Save the configuration and exit the utility. 5. Restart the workstation. Entering the Setup or Power-On Password To enter the Setup or Power-On Password: 1. Turn on - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 146
5-4 Compaq Professional Workstation AP550 Maintenance and Service Guide Changing a Setup or Power-On Password 1. Turn on the workstation. 2. To change the Setup Password, run Computer Setup. 3. To change the Power-On Password, when the key icon ( ) appears, type your current password, then a slash - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 147
) IMPORTANT: To reenable the Power-On password feature, reinstall the jumper (password disabled jumper). 4. Reassemble and restart the workstation. 5. Turn on the workstation, your password will be cleared. 6. Establish a new Setup and Power-On Password, if desired. IMPORTANT: Clearing the Power - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 148
5-6 Compaq Professional Workstation AP550 Maintenance and Service Guide Enabling a Setup or Power-On Password To enable the Setup or Power-on Password features: 1. Turn off the workstation. CAUTION: Before removing the workstation access panel, ensure that the workstation is turned off, all cables - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 149
requirements. The syntax and keys you use for changing or deleting a password depend on the keyboard that came with the workstation. The following table identifies the correct delimiter character for each keyboard. Table 5-2 National Keyboard Delimiter Characters Arabic / Greek - Russian - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 150
5-8 Compaq Professional Workstation AP550 Maintenance and Service Guide Advanced Security Management You can access the following security features through the Computer Setup menu: s Storage s Disable removable media boot ability s Disable removable media write - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 151
serial and parallel ports enabled. If a user has disabled either of these ports, you may need to re-enable them to service the workstation. To reenable the ports: 1. Turn on the workstation. 2. When the F10 = Setup message appears in the lower-right corner of the screen, press F10. NOTE: You have - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 152
Overview This chapter provides jumper and switch information for the system board and disk drives for the Compaq Professional Workstation AP550. The components on the system board, which is Pentium II-based, are illustrated in the following figure. See the corresponding table for component names. - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 153
6-2 Compaq Professional Workstation AP550 Maintenance and Service Guide 12 3 4 19 5 6 7 18 17 8 16 9 10 15 14 13 12 11 Figure 6-1. Overview of system board components Reference 1 2 3 4 5 6 7 8 9 q w e r t y u i o Table 6-1 System Board Components Component Accelerated Graphics - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 154
The Compaq Professional Workstation AP550 supports Ultra3 SCSI, Wide Ultra2 SCSI, and Ultra ATA hard drives. The specifications included below are the standard hard drive configurations shipped with the workstation. For specifications on other hard drives, refer to the Service Quick Reference Guide - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 155
6-4 Compaq Professional Workstation AP550 Maintenance and Service Guide 18-GB Ultra3 SCSI Hard Drive Drive Size: 18-GB Model: Ultra3 SCSI Bit 3 pluggable applications only. Migration to a Hot-Pluggable Drive Tray is not supported. NOTES: POWER 1. All jumper and switch settings are shown in the - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 156
CD-ROM or DVD-ROM Drive Jumper and Switch Information 6-5 CSM CSM CSM SLA SLA SLA Use CSEL Slave Master Figure 6-4. Locating the jumper positions for the 40X Max CD-ROM drive (IDE) or the DVD-ROM drive Zip Drive The jumper positions for the 100- and 250-MB Zip drives are identical. Drive - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 157
7 Chapter Physical and Operating Specifications Overview This chapter provides operating and performance specifications for the following Compaq Professional Workstation AP550 hardware: s System unit s Power supply s Diskette drive s Zip drive s CD-ROM drive s DVD-ROM drive s Hard drives s Audio - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 158
7-2 Compaq Professional Workstation AP550 Maintenance and Service Guide System Unit Component Minitower Dimensions Height Width Depth Desktop Dimensions Height Width Depth Approximate Weight Power Supply Rated Input Voltage Rated Input Frequency Environmental Requirements Temperature Operating - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 159
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 Physical and Operating Specifications 7-3 Table 7-2 System Interrupts System Function System timer Keyboard Unused Serial port (COM 2) Serial port (COM 1) ESS sound chip Diskette drive - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 160
7-4 Compaq Professional Workstation AP550 Maintenance and Service Guide Hardware DMA DMA 0 DMA 1 DMA 2 DMA 3 DMA 4 DMA 5 DMA 6 DMA 7 I/O Address (Hex) 000 - 00F 010 - 01F 020 - 021 02E - 02F 040 - 043 044-04D 04E - - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 161
Table 7-4 System I/O continued I/O Address (Hex) 092 093 - 09F 0A0 - 0BF 0C0 - 0DF 0E0 - 0EB 0EC - 0ED 0EE - 0EF 0F0 - 0F1 0F2 - 0F3 0F4 - 0F5 0F6 - 0F8 0F9 0FA 0FB 0FC - 0FF 100 - 12F 130 - 131 132 - 16F 170 - 177 178 - 1EF 1F0 - 1F7 1F8 - 1FF 200 201 202 - 21F 220 - 22F 230 - 277 238 - 2EF 278 - - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 162
7-6 Compaq Professional Workstation AP550 Maintenance and Service Guide Table 7-4 System I/O continued I/O Address (Hex) 2F0 - 2F7 2F8 - 2FF 300 - 317 318 - 319 31A - 36F 370 - 377 378 - 37F 380 - 387 388 - 38B 38C - 397 - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 163
Size FFFFFFFFh to FFF80000h 512 KB FEEFFFFFh to FEE00000h 1024 KB FECFFFFFh to FEC00000h 1024 KB FEBFFFFFh to TOM (Top of Memory) Depends on memory installed TOM (Top of Memory) - 1 to TOM - 64 KB 64 KB (However, USB buffer not applicable to all system configurations.) TOM (Top of - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 164
7-8 Compaq Professional Workstation AP550 Maintenance and Service Guide 375-W Power Supply Table 7-6 375-W Power Supply Specifications Input specifications Rated input voltage Rated input current Rated input frequency General specifications Input power Holdup time - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 165
Diskette Drive Size and Capacity Size (inch) High density (MB) Low density (KB) Light Height Bytes per sector Sectors per track High density Low density Tracks per side High density Low density Read/write heads Average access time (ms) Track-to-track (high/low) Average (high/low) Latency average (ms - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 166
7-10 Compaq Professional Workstation AP550 Maintenance and Service Guide Zip Drive Table 7-8 100-MB Zip Drive Disk Data transfer rate Sustained Up to 11.2 Mbits/sec Burst Up to 88.9 Mbits/sec Seek time ( - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 167
Physical and Operating Specifications 7-11 Table 7-9 100-MB Zip Drive Cartridge Characteristics Disk Spares capacity Form factor width Weight Drop height/shock Insertion/removal cycles Estimated shelf life 1.6 MB 98.0 mm (3.875 inch) 49.6 grams (1.75 oz) 3.0 meters 2,000 minimum 10 years - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 168
7-12 Compaq Professional Workstation AP550 Maintenance and Service Guide Table 7-10 250-MB Zip Drive Disk Data transfer rate Maximum Sustained 250-MB Cartridge 2.4 MB/sec 100-MB Cartridge Read 1.4 MB/sec Write 0.25 - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 169
Physical and Operating Specifications 7-13 Table 7-11 250-MB Drive Zip Cartridge Characteristics Disk Spares capacity 5.2 MB Form factor width 98.0 mm (3.875 inch) Weight (typical) 43 grams (1.5 oz) Insertion/removal cycles 2,000 minimum Estimated shelf life* 10 years Environmental - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 170
7-14 Compaq Professional Workstation AP550 Maintenance and Service Guide CD-ROM Drive Disk Diameter Capacity Mode 1 Mode 2 Disk thickness Track pitch Performance Access Time Random seek Full stroke seek Data transfer rate Sustained Burst - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 171
Physical and Operating Specifications 7-15 Table 7-12 40X Max Tray-Load CD-ROM Drive (IDE) continued Disk Audio interface Line out connector RMS output voltage S/N ratio Channel separation Noise Frequency response 0.7 Vrms 80 Db 65 dB 0.1% 20 to 20 kHz Digital audio out connector 2-pin serial - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 172
7-16 Compaq Professional Workstation AP550 Maintenance and Service Guide DVD-ROM Drive Disk Applicable Disc Formats Disc Diameter Capacity Disc Thickness Track Pitch Block Size Performance Access Time Data Transfer Rate (1KB = 1024 Bytes) - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 173
DC Input Power Requirements: 5 VDC ± 5%, 12 VDC ± 5%, DC Current: 5 VDC 12 VDC Physical and Operating Specifications 7-17 16.6 Mbytes/s (burst) with DMA support 256 KB (Minimum) < 10 seconds (typical) < 3 seconds (typical) 10-15 (soft error) 10-20 (hard error) 10-6 (seek error) 35,000 POH - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 174
7-18 Compaq Professional Workstation AP550 Maintenance and Service Guide Hard Drives Table 7-14 9.1-GB Ultra3 SCSI Hard Drive Capacity 9.1 GB Transfer rate Media 13.6 to 21.3 MB/s Asynchronous 5.0 MB/s Synchronous Up to 40.0 MB/s - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 175
Physical and Operating Specifications 7-19 Table 7-15 18-GB Ultra3 SCSI Hard Drive Capacity 18.2 GB Transfer rate Media 151 to 257 Mbits/s Asynchronous 6.0 MB/s Synchronous Up to 40.0 MB/s Seek time (typical) Single track 0.8 ms Average 6.9 ms Full stroke 15.0 ms Disk rotation - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 176
7-20 Compaq Professional Workstation AP550 Maintenance and Service Guide Table 7-16 10-GB Ultra ATA-66 IDE Hard Drive Capacity 10 GB Drive type 65 (soft) Transfer rate Media 17 to 28 MB/s Interface - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 177
16 ohms (min.) 800 ohms 8-/16-bit (mono/stereo) 8-/16-bit (mono/stereo) 8-/16-bit (mono/stereo) Keyboard Dimensions Height Width Depth Weight Table 7-18 Compaq Enhanced Keyboard U.S. Metric 1.3 inch 18.3 inch 6.4 inch 3.0 lb 3.3 cm 46.5 cm 16.1 cm 1.4 kg - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 178
7-22 Compaq Professional Workstation AP550 Maintenance and Service Guide Mouse Dimensions Height Length Width Weight Base resolution Tracking speed (maximum) Temperature Operating Storage Lifetime Mechanical Switch Relative humidity ESD Table 7-19 3-Button Mouse U.S. Metric 1. - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 179
Controllers Table 7-20 ELSA Synergy II AGP Graphics Controller Maximum Color Support Resolutions 1920 x 1200 1920 x 1080 1600 x 1280 1600 x 80 100 100 100 100 Table 7-21 3Dlabs Oxygen GVX1 AGP Graphics Controller Color Support Resolutions 1920 x 1200 1920 x 1080 1600 x 1200 1280 x 1024 1152 - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 180
24 Compaq Professional Workstation AP550 Maintenance and Service Guide Table 7-22 Matrox Productiva G100 Multi-Monitor Maximum Color Support Resolutions G400 AGPGraphics Controller Maximum Color Support Resolutions Maximum Refresh Rate (Hz) Memory Interface Output 2048 x 1536 70Hz 16 - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 181
7-24 PowerStorm 600 AGP Graphics Controller Maximum Colors 16.7M 16.7M 16.7M 16.7M 16.7M 16.7M 16.7M Maximum Refresh Rate Supported by Drive (Hz) 85 85 85 85 85 75 85 Network Controller Table 7-25 Ethernet Network Interface Controller (NIC) Physical connector Operating environment Temperature - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 182
Chapter External Connectors Overview This chapter provides an overview of the external connectors, including pin assignments for the Compaq Professional Workstation AP550. Physical Location The following illustration identifies the physical location of each connector. See the corresponding table for - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 183
8-2 Compaq Professional Workstation AP550 Maintenance and Service Guide 1 23 4 5 6 7 8 9 10 11 12 13 14 Figure 8-1. Identifying the external connectors Identifier 1 2 3 4 5 6 7 Table 8-1 External Connectors Connector Power cord Line-out Line-in Headphone Microphone Keyboard - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 184
Pin Assignments Connector and Icon (Orange) 188368bd.AI, KEYBD.EPS 6 5 4 3 21 Connector and Icon (Green) 65 4 KEY 3 21 Table 8-2 Keyboard Pin 1 2 3 4 5 6 Table 8-3 Mouse Pin 1 2 3 4 5 6 External Connectors 8-3 Signal Data Unused Ground +5 VDC Clock Reserved Signal Data Reserved Ground +5 - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 185
8-4 Compaq Professional Workstation AP550 Maintenance and Service Guide Connector and Icon 13 12 11 10 9 8 7 6 5 4 3 2 1 25 24 23 22 21 20 19 18 17 16 15 14 Table 8-4 Parallel Interface Pin 1 2 3 4 5 6 7 8 9 10 11 - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 186
and Icon 12345 6789 Table 8-5 Serial Interfaces Pin 1 2 3 4 5 6 7 8 9 Connector and Icon 54321 10 9 8 7 6 15 14 13 12 11 * For DDC support (I2C monitors) Table 8-6 Video Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 External Connectors 8-5 Signal Carrier detect Receive data Transmit data Data terminal - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 187
8-6 Compaq Professional Workstation AP550 Maintenance and Service Guide Connector and Icon 1357 2468 Connector and Icon 1234 1234 Table 8-7 Ethernet RJ-45 Pin 1 2 3 4 5 6 7 8 Table 8-8 USB Pin 1 2 3 4 Signal (+) Transmit data (-) Transmit data (+) Receive data - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 188
External Connectors 8-7 Table 8-9 LVD/SE Connector (SCSI) (low voltage differential/single ended) Connector and Icon Pin 1-16 17-18 19 20-34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49-50 Signal Ground TERMPWR Reserved Ground -D12 -D13 -D14 -D15 -DP1 -D0 -D1 -D2 -D3 -D4 -D5 -D6 -D7 -DP0 Ground - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 189
8-8 Compaq Professional Workstation AP550 Maintenance and Service Guide Table 8-10 Audio Line-In Connector Connector and Icon Stereo 1/8-inch miniphone Table 8-11 Audio Line-Out Connector Connector and Icon Stereo 1/8-inch miniphone Table 8- - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 190
memory modules spare part number 1-6 600EB processor spare part number 1-5 64-MB memory modules spare part number 1-6 64-MB RIMM spare part number 1-6 733 4-24 audio hardware conflicts, troubleshooting 4-20 audio pin assignments 8-8 5-9 card guide 3-28 cautions cautions 2-2 grounding viii - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 191
2 Compaq Professional workstation AP550 Maintenance and Service Guide CD-ROM drive location 3-9 spare part number 1-7 specifications 7-14 troubleshooting 4-16 CD-ROM test error codes 4-35 changing a setup password 5-4 changing power-on password 5-4 chassis/base pan spare part number 1-4 clearing - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 192
troubleshooting 4-11 viewing current devices and setting resources 4-23 diskette write, re-enabling 5-8 display problems, troubleshooting troubleshooting 4-16 E E49 clear password hearder jumper 6-2 electrostatic discharge (ESD), service 35 keyboard 4-32 memory 4-32 microprocessor 4-31 SMART III Hard - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 193
4 Compaq Professional workstation AP550 Maintenance and Service Guide flat panel monitor TFT5000 (opal) spare part number 1-11 TFT5000S color (EMEA) spare part number 1-11 TFT5000S color (outside EMEA) spare part number 1-11 TFT8000 ( - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 194
Microprocessor test error codes 4-31 Microsoft Windows NT Workstation password 5-6 Microsoft Windows NT Workstations CD for 4.0 spare part number 1-12 minitower to a desktop, converting 3-56 modem test error codes 4-34 monitor problems, troubleshooting 4-12 Index 5 monitor, flat panel TFT5000 (opal - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 195
6 Compaq Professional workstation AP550 Maintenance and Service Guide parts catalog, illustrated 1-1 password disabled jumper 6-2 Microsoft Windows NT Workstation 5-6 power-on 5-3 power-on key icon 4-2 setup 5-2 Windows NT Workstation 5-6 PCI bus mastering, enabling/disabling 4-24 expansion slots - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 196
3-40 processor guide rails (URM) 3-45 RIMM memory module 3-32 speaker test error codes 4-39 troubleshooting 4-17 SCSI cable, using 4-34 service equipment symbols III Hard Drive Fault Prediction 4-45 SNMP 4-45 software Compaq Diagnostics for Windows NT 4-48 Compaq Insight Manager 4-46 software drivers - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 197
8 Compaq Professional workstation AP550 Maintenance and Service Guide 64-MB RIMM 1-6 733 processor 1-5 9-GB hard drive 1-7 access panel 1-4 auxiliary fan 1-5 battery 1-5 cable kit 1-8 CD-ROM hard drive 1-7 chassis/base pan 1-4 Continuity RIMM 1-6 diskette drive 1-7 diskette drive mounting - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 198
2-4 troubleshooting audio hardware conflicts 4-20 CD-ROM drive problems 4-16 diskette drive problems 4-11 display problems 4-12 DVD-ROM drive problems 4-16 hard drive problems 4-14 hardware installation problems 4-15 memory problems 4-17 minor problems 4-9 network problems 4-18 power problems 4-10 - HP Professional ap550 | Compaq Professional Workstation AP550 Maintenance & - Page 199
158279-001 135618-001
135618-001
1
Addenda #1, 2, and 3 to Compaq
Professional Workstation AP550
Maintenance & Service Guide
Compaq Professional Workstation AP550
Part number 135618-003
Spare part number 158279-001
The complete MSG follows these addenda.
These addenda contain changes to the original document.
2000 Compaq Computer Corporation. All rights reserved. Compaq is
registered in the U. S. Patent and Trademark Office. Product names
mentioned herein may be trademarks and/or registered trademarks of their
respective companies. First Edition (July 2000).