Compaq AP550 Compaq Professional Workstation AP550 Maintenance & Service G
Compaq AP550 - Professional - 128 MB RAM Manual
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- Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 1
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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 2
Memory Module 157108-001 (RIMM) 800-MHz 512-MB ECC (100-MHz SDRAM) 317748-001 Graphics Controllers Matrox MGA-G400A, AGP 2x/4x 163361-001 Intense3D Wildcat 4110, AGP 2X, 166013-001 Intense3D Wildcat 4210, AGP Pro 202996-001 Nvidia TNT2 PRO .2-GB Wide-Ultra 160 SCSI Hard Drive 192197-001 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 4
Specifications - Graphics Controllers Matrox MGA-G400A Graphics Controller Maximum display resolution Graphics memory Color 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 5
Specifications - Graphics Controllers (continued) Intense3D Wildcat 4210 Graphics Controller Supported Resolutions Without Multisampling Aspect Ratio bits per pixel 96 128 160 192 4 x 3 5 x 4 16 x 9 16 x 10 5 x 4 Frame Sequential Stereo 4 x 3 Frame Sequential Stereo 1920 x 1440 1920 x 1440 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 6
Specifications - Graphics Controllers (continued) Matrox G200 Quad MMS Graphics Controller Graphics Memory Controller Graphics Maximum Colors Memory Supported Resolution Maximum Refresh Memory Dedicated Rate to Texture Support 64 MB 16.7M 640 supported by Compaq. 6 Addenda to MSG 135618-001 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 7
Air Baffle Assembly 135618-001 7 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 8
Compaq Professional Workstation AP550 Maintenance and Service Guide - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 10
Fastart, Netelligent and SoftPaq are trademarks and/or service marks of Compaq Computer Corporation. Microsoft, MS-DOS, Windows, and registered trademarks of their respective companies. Compaq Professional Workstation AP550 Maintenance and Service Guide First Edition (October 1999) Part Number - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 12
iv Compaq Professional Workstation AP550 Maintenance and Service Guide Chapter 3 Removal and Replacement Procedures Introduction...3-1 Serial Number ...3-2 Service Preparations 3-3 Cable Lock ...3-3 Workstation Access Panel 3-4 Front Bezel...3-6 Subpanel and Bezel Blanks 3-7 Mass Storage Devices - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 14
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 Zip Drive...6-5 Chapter 7 Physical and Operating Specifications - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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. - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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. - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 20
System Components Illustrated Parts Catalog 1-3 Figure 1-2. Exploded view for the Compaq Professional Workstation AP550 system components - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 22
processor slot 6 Lock security bracket 7 Loud speaker 8 Power switch and LEDs with cable 9 375-W power supply with Power Factor Correction (PFC) 10 Auxiliary fan (standard) on the Compaq Professional Workstation AP550 11 Processor power module connector for optional processor Note: Parts or - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 24
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 rpm) 3 18-GB Ultra3 SCSI hard drive (10,000 rpm) 4 10 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 31
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 multiple power supplies - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 34
and Replacement Procedures Introduction 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 36
the workstation. IMPORTANT: On a power-managed system, the power cord must be disconnected from the grounded 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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. - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 40
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 workstation, and the power replacement provided to ensure that the Compaq logo is properly oriented. - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 42
supported on the Compaq Professional Workstation AP550. Drive Positions The Compaq Professional Workstation AP550 can mount a high-density diskette drive into a 5.25-inch bay. NOTE: Compaq does not support mixing Ultra ATA and SCSI hard drives in the same system. If you are replacing a hard drive - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 44
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 workstation, and the power cord is disconnected from the grounded - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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. - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 46
-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 workstation, and the power cord is disconnected from the grounded - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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. - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 52
data cable is used on a controller having a 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 near the intake to the power supply. Cables routed in this manner may block airflow to the - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 54
turned off, all cables are disconnected from the back of the workstation, and the power cord is disconnected from the grounded AC outlet. 2. Remove the workstation access panel. 3. Remove the front bezel. 4. Remove all drives from the computer. 5. Lift the side of each drivelock nearest you and push - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 56
Board Slots Reference 1 2 3 4 5 Description PCI expansion board slot PCI expansion board slot PCI expansion board slot PCI expansion board slot Accelerated Graphics Port (AGP) 4X Pro slot - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 59
3-26 Compaq Professional Workstation AP550 Maintenance and Service Guide Refer to the following illustration to install sure the board is engaged with the card guide. 2. Replace the screw at the side of the expansion slot. 3. Replace the workstation access panel. 4. Connect external cables to the - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 60
-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 workstation, and the power cord is disconnected from the grounded - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 64
/or oxidation resulting from having incompatible metals in contact with each other. CAUTION: When handling a 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 with 256-megabit DRAM technology. - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 66
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 back of the workstation, and the power cord is - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 68
only be installed one way. Comment DO NOT INSTALL DIMMs THAT DO 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 when four 512-MB DIMMs are installed. Be sure to match the two - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 69
3-36 Compaq Professional Workstation AP550 Maintenance and Service Guide Table 3-9 DIMM Guidelines continued Guideline DIMMs must be installed in pairs, alternating between the two SDRAM expansion boards. RIMMs and DIMMs can not be mixed - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 25-degree angle 1 into the slot on the SDRAM expansion board, ensuring that it - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 74
cord from the grounded AC outlet and the back of the workstation. 2. Remove the side workstation access panel. 3. Firmly push the processor power module down into processor power module socket. Figure 3-35. Installing the processor power module for the second processor 4. Assure the latches on the - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 75
3-42 Compaq Professional Workstation AP550 Maintenance and Service Guide 5. Pull out the retaining tabs on each side of type as the existing processor. Reassemble the workstation, and connect the power cord to the grounded AC outlet and to the workstation. IMPORTANT: Be sure to tighten both - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 76
-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 workstation, and the power cord is disconnected from the grounded - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 78
. 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 of the workstation, and the power cord is - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 80
-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 workstation, and the power cord is disconnected from the grounded - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 82
may not need to be removed, only loosened. 5. Slide the power supply toward the front of the computer, then lift up, and remove it from the chassis 2. 1 1 2 Figure 3-43. Removing the power supply To replace the power supply, reverse the preceding procedure. WARNING: This equipment is designed for - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 84
-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 workstation, and the power cord is disconnected from the grounded - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 85
3-52 Compaq Professional Workstation AP550 Maintenance and Service Guide 8. Remove the retaining screws that secure the the above procedure. CAUTION: Damage to the system board could result if all the power cables are not properly reconnected to the system board. NOTE: When installing the system - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 86
, all cables are disconnected from the back of the workstation, and the power cord is disconnected from the grounded AC outlet. 2. Remove the workstation access panel. 3. Remove all expansion boards. 4. Remove the speaker. 5. Remove the power supply. 6. Disconnect all cables that are attached to the - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 87
3-54 Compaq Professional Workstation AP550 Maintenance and Service Guide Lithium Battery NOTE: When replacing a battery, are disconnected from the back of the workstation, and the power cord is disconnected from the grounded AC outlet. 2. Remove the workstation access panel. 3. Locate the battery - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 90
the top of the chassis in the desktop configuration for proper drive clearance and access. Figure 3-50. Installing a drive in the desktop configuration 8. Reconnect the power and data cables to the drives. - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 91
3-58 Compaq Professional Workstation AP550 Maintenance and Service Guide 1 2 Figure 3-51. Rotating the bezel blanks when converting a Figure 3-7 for the subpanel keyed-alignment positions. 11. Reassemble the workstation. NOTE: When switching from minitower to desktop orientation, the bezel blank - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 92
: 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 workstation, and the power cord is disconnected from the grounded AC - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 internal 3.5-inch drives. Figure 3-53. Installing a drive in the minitower configuration 8. Reconnect the power and data cables to each drive. - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 94
the proper orientation to prevent damage to the alignment pins. See Figure 3-7 for the subpanel keyed-alignment positions. 11. Reassemble the workstation. NOTE: When switching from desktop to minitower orientation, the bezel blank should be switched out with the replacement provided to ensure that - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 96
4-2 Compaq Professional Workstation AP550 Maintenance and Service Guide Power-On Self-Test (POST) POST is a series of diagnostic tests that runs automatically when the system is turned on. After the computer is turned on, POST checks the following assemblies to make sure that the computer system is - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 97
a problem. This test runs when the system is turned on, checking assemblies within the workstation and Compaq authorized service provider Contact your Compaq authorized service provider Contact your Compaq authorized service provider Replace the Expansion Cage System Board. Run the Computer - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 99
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. A specific error - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 100
4-6 Compaq Professional Workstation AP550 Maintenance and Service Guide Table 4-1 POST Error Messages continued Error Code Audible Beeps L=Long S=Short 605-Diskette Drive 2S Type Error 912-The computer cover has been removed since last system startup 1611-Fan failure detected. 1720-SMART - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 101
Probable Source of Problem IDE Hard drive failure. IDE Hard drive failure. IDE circuitry failure. CD-ROM interface. Parity RAM failure. Configuration or hardware failure. Electronic serial number has become corrupted. Recommended Action Contact your Compaq authorized service provider. Contact your - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 103
sections for other possible solutions to: Y Power problems Y Diskette drive problems Y Display problems Y Printer problems Y Hard drive problems Y Hardware installation problems Y DVD-ROM and IDE CD-ROM drive problems Y Memory problems Y SCSI problems Y Network problems Y Audio hardware conflicts - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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. - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 105
. Reading the wrong drive. Check the drive letter in the path statement. Diskette drive has been disabled. Run Computer Setup and enable the diskette drive. The directory structure is bad or there is a problem with a file. Remove the diskette from the drive. Check the cables for loose connections. - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 106
Compaq Professional Workstation AP550 Maintenance and Service Guide Display Problems Table 4-4 Solutions for Display Problems Problem fully and properly inserted in the PCI or AGP Pro slot. If the BNC cable is used, make drivers may not be loaded. Install the correct display drivers on the - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 the drive failure are not - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 109
controller as the primary drive, verify that the jumpers for both drives are set correctly. The third-party adapter is either not supporting BIOS Boot Specification or the Boot Connection Vector option. A solution is not available. Assure both power supply cables are connected to the system board. - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 111
correctly preventing the unit from booting. See the "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 Cause The SCSI drive is not configured correctly. Solution Be sure that - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 113
correct device. 3. Run Computer Setup and modify the network controller memory value. 4. Verify that the drivers were not accidentally deleted when the drivers for a new expansion board were installed. 5. Reinstall the network drivers using the Compaq Restore CD, then run Computer Setup. continued - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 114
4-20 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 are corrupted. 2. The cable is not securely connected. 3. The network - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 115
will need about the workstation. s Computer Setup s Diagnostics Y Creating a Diagnostics Diskette Y Running Computer Checkup (TEST) Y 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 116
4-22 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 and is shipped in English only. Computer Setup is also available in 12 additional - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 117
or manually select timeout values. Select Power, then select Timeouts. NOTE: This selection appears only if energy saver mode is set to Advanced. * The third-party adapter must have its own option ROM and it supports Boot Connection Vectors (BCV) through the BIOS Boot Specification requirements - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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. NOTE: This selection does not appear if the energy saver mode is - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 119
to the workstation. WARNING: To reduce the risk of personal injury from electrical shock and/or hot surfaces, be sure to disconnect the power cord from the wall outlet, and allow the internal system components to cool before touching CAUTION: When the unit is plugged in, the power supply always has - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 122
Compaq Professional Workstation AP550 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 error message numbers. 7. Follow the instructions on the screen as the diagnostic - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 124
4-30 Compaq Professional Workstation AP550 Maintenance and Service Guide Running problem isolation procedures: 1. Ensure proper ventilation. The workstation should have a 3-inch clearance at the rear of the chassis. 2. Turn off the workstation and peripheral devices. CAUTION: Be sure the power - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 125
Keyboard controller self-test failed. CMOS RAM test failed. CMOS interrupt test failed. system board and retest. Run Computer Checkup or Computer Setup and retest. Replace the codes 107-xx through 109-xx: 1. Replace the battery/clock module and retest. 2. Replace the system board and retest. Replace - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 126
32 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 address - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 127
apply to 401-xx through 403-xx: 1. Connect the printer 2. Check power to the printer. 3. Install the loop-back connector and retest. 4. 1. Replace the diskette media and retest. 2. Check and/or replace the diskette power and signal cables and retest. 3. Replace the diskette drive and retest. 4. - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 129
retest. 2. Check the jumper settings on the DVD-ROM or the CD-ROM drive. 3. Check that the speaker is connected. 4. Check and/or replace the power and signal cables and retest. 5. Replace the DVD-ROM or the CD-ROM drive and retest. Tape Drive Error Code 1900-xx 1901-xx 1902 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 132
4-38 Compaq Professional Workstation AP550 Maintenance and Service Guide Audio Error Code 3206-xx Network Interface 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. Verify test procedures. 3. Replace - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 133
error codes for the following SCSI devices: s Hard drives s CD-ROM drives s Tape drives The SCSI error codes are written in 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 134
4-40 Compaq Professional Workstation AP550 Maintenance and Service Guide Error Code XX00-XX XX05-XX XX06-XX XXXX-17 XXXX-18 XXXX-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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 135
drive Target timed out SCSI bus stayed busy ACK/REQ lines bad ACK did not deassert Parity error Data pins bad Data line 7 bad MSG, 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 136
4-42 Compaq Professional Workstation AP550 Maintenance and Service Guide Table 4-28 SCSI Test Error Codes continued Error Code XXXX-90 Description Fan failure XXXX-91 Over Temperature XXXX-99 Autoloader reported tapes not loaded properly Recommended Action 1. - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 138
4-44 Compaq Professional Workstation AP550 Maintenance and Service Guide When the system successfully power off, then turn the power on. ROM upgrade failed. Try another ROMPaq diskette. If the light remains turned on, contact Compaq customer support. ROM upgrade successfully completed. Turn the power - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 139
of the fault and any recommended actions. You can then view current system health by using Compaq Diagnostics for Windows NT. If the workstation is connected to a network managed by Compaq Insight Manager or other Simple Network Management Protocol (SNMP)-based management products (for example, HP - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 142
4-48 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 Diagnostics for Windows NT icon located in the Control Panel. The screen displays an overview of the computer hardware and - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 143
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 Password Table 5-1 Security Features - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 144
5-2 Compaq Professional Workstation AP550 Maintenance and Service Guide Table 5-1 Security Features continued Feature Serial or Parallel Interface Control Removable Media Boot Control Removable Media Write Control Cable Lock Provision Purpose Prevents transfer of - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 145
you must restart the workstation to access the utility. 3. From the main menu, select Security, then Power-On Password and follow the instructions on the screen. unsuccessful tries, you will be allowed to view the current computer settings, but you will not be able to edit or change the settings. If - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 147
Password, you cannot use the Computer Setup utility to change the configuration settings. You may view the current settings, but you may not change them unless you know the Setup or Power-On Password. To clear the Setup or Power-On Password: 1. Turn off the workstation. CAUTION: Before removing the - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 149
5-7 National Keyboard Delimiter Characters Each keyboard is designed to meet country-specific 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 ability s Disable serial port s - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 152
Jumper and Switch Information 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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. Pro slot Serial port cable connector Wake-on-LAN connector (RJ45) LVD/SE connector (SCSI) Embedded processor power module connector (VRM) Processor power module - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 Bit 1 S Bit 2 Bit 0 Pin 1 J2 J2 P SCSI ID Settings SCSI ID 0 1 2 3 4 5 6 Bit 2 Bit 1 Key Jumper NOT Installed Jumper Installed Bit 0 Pin 1 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 156
-MB Zip drives are identical. Drive Size: 100 MB Model: Zip Drive Default Setting Note: After changing the jumper settings, reboot the computer so the new address will be recognized. Jumper Setting for Cable Select IDE Settings Configuration Device 0 (Master) Device 1 (Slave) Cable Select - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 157
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 system s Keyboard s Mouse (3-button) s Graphics - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 159
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 Parallel port (LPT - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 161
- 1F7 1F8 - 1FF 200 201 202 - 21F 220 - 22F 230 - 277 238 - 2EF 278 - 27F 280 - 2E7 Physical and Operating Specifications 7-5 System Function (Shipping Configuration) Port A Unused Interrupt controller # 2 DMA controller # 2 Unused 483 configuration index/data 483 fast A20/fast reset Co - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 163
Specifications 7-7 Table 7-5 System Memory Map Memory Address 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 Full output rating Minimum load - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 165
time (ms) Track-to-track (high/low) Average (high/low) Latency average (ms) Data Transfer Rate (Mbit/s) High/low (to/from media) Physical and Operating Specifications 7-9 Table 7-7 1.44-MB Diskette Drive 3.5 1.44 720 Green One-third 512 18 9 80 80 2 3/6 ms 94/173 ms 100 ms 500/250 Kb/s - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 ( - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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) - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 171
Physical and Operating Specifications 7-15 Table 7-12 40X Max Tray-Load CD-ROM the drive (Molex 70553 G or equivalent) with pin 1 as ground and pin 2 as digital data.. Electrical DC power requirements 5 VDC +/-5% 12 VDC +/-5% 100 mV ripple p-p 200 mV ripple p-p DC current 5 VDC +/-5% (typical) - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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) - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 173
S/N Ratio Channel Separation THD & Noise Frequency Response Electrical 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 Seek time (typical) Single track 1.6 ms Average 7.5 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 177
Physical and Operating Specifications 7-21 Audio System Sampling rate Full scale input voltage (rms) ) 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 178
7-22 Compaq Professional Workstation AP550 Maintenance and Service Guide Mouse Dimensions Height Length Width Weight Base resolution Tracking speed ( No soft errors through 8 kV; no hard errors through 10 kV; specific performance depends on host system. Exceeds 483 km Exceeds 1 million operations - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 179
Physical and Operating Specifications 7-23 Graphics Controllers Table 7-20 ELSA Synergy II AGP Graphics Controller Maximum Color Support Resolutions 1920 x 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 181
Specifications 7-25 Resolution 1440 x 900 1280 x 1024 1280 x 960 1152 x 864 1024 x 768 800 x 600 640 x 480 Table 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 -45 Network Cable Specifications The RJ-45 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 Mouse - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 Unused Unused (-) Receive data - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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- - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 190
512-MB memory modules spare part number 1-6 600EB processor spare part number 1-5 64-MB memory modules spare part troubleshooting 4-20 audio pin assignments 8-8 audio security, enabling/disabling 4-24 audio system specifications provision 5-9 card guide 3-28 cautions cautions 2-2 grounding viii - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 192
positions 3-9 SCSI 3-9 Ultra ATA 3-9, 3-13 DVD-ROM drive spare part number 1-7 specifications 7-16 test error codes 4-35 troubleshooting 4-16 E E49 clear password hearder jumper 6-2 electrostatic discharge (ESD), service guidelines 2-3 embedded processor power module connector 6-2 enabling power-on - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 ( - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 194
8-7 M maintenance and service guide spare part number 1-12 management, advanced security 5-8 mass storage device drive positions 3-9 jumpers 6-3 memory DIMM locations and configurations 3-34 DIMM replacement guidelines 3-35 map, system 7-7 module, removing DIMM 3-36 module, removing RIMM 3-32 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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 - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 196
heatsink 3-43 I/O panel 3-53 power supply 3-48 power switch 3-50 processor 3-40 processor guide rails (URM) 3-45 RIMM memory module 3-32 speaker 3-46 system board 3-51 system board fan 3-47 RIMM removing module 3-32 sockets 6-2 RJ45, external connector 8-2 ROM BIOS recovery from ROM upgrade failure - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 197
1-12 keyboard 1-11 lock security bracket 1-5 maintenance and service guide 1-12 Microsoft Windows NT Workstations 4.0 CD 1-12 network controller 1-10 power supply 1-5 power switch and LEDs with cable 1-5 processor power module 1-5 SDRAM expansion board 1-6 SDRAM stabilizer card 1-6 shipping boxes - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - Page 198
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 preparations for 4-30 printer problems 4-13 SCSI problems 4-17 U Ultra ATA hard drive 3-9, 3-13 Integrity Monitoring 4-45 upgrading ROM 4-42 USB Index 9 pin - Compaq AP550 | Compaq Professional Workstation AP550 Maintenance & Service G - 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).