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 6-2 locations 3-23 VGA palette snooping, enabling/disabling 4-24 viewing currently installed devices 4-24 pin assignments 8-3 audio 8-8 ethernet RJ45 8-6 headphone 8-8 LVD/SE 8-7 microphone 8-8 mouse 8-3 parallel interface 8-4 serial interfaces 8-5 USB 8-6 video 8-5 Plug and Play (PnP) devices, viewing current settings 4-24 pointing device mouse, spare part number 1-11 test error codes 4-34 POST setting the POST mode 4-24 power LED blink, enabling/disabling 4-24 power problems, troubleshooting 4-10 power supply remove and replace 3-48 spare part number 1-5 specifications 7-8 power switch remove and replace 3-50 setting configuration 4-24 power switch and LED connector 6-2 with cable spare part number 1-5 power-on password changing 5-4 clearing 5-5 deleting 5-4 enabling 4-24, 5-6 Power-On Self-Test (POST) function 4-2 error messages 4-3 setting the POST mode 4-24 prefailure warranty 2-4 preliminary cautions and warnings 2-2 primary processor slot 6-2 primary Ultra ATA/66 connector 6-2 printer test error codes 4-33 troubleshooting 4-13 printer mode, setting 4-24 problems audio hardware 4-20 CD-ROM drive (IDE) 4-16 diskette drive 4-11 display 4-12 DVD-ROM drive (IDE) 4-16 hard drive 4-14 hardware installation 4-15 memory 4-17 network 4-18 power 4-10 printer 4-13 SCSI 4-17 processor guide rails (URM), remove and replace 3-45 power module spare part number 1-5 primary 6-2 removing and replacing 3-40 secondary 6-2 prompted diagnostics 4-27 Q quick check diagnostics 4-27 QuickBoot, selecting 4-24 R re-enabling diskette boot 5-8 re-enabling serial port 5-9 Remote ROM Flash, using 4-43