Service manual

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Chapter 2 Power-Up
2.1 Operator Control Panel......................................................................... 2-2
2.1.1 Control Panel Assembly.................................................................. 2-2
2.1.2 Fluorescent Display Messages........................................................ 2-4
2.2 Power-Up Test Flow – Init. and Phase 0 .............................................. 2-6
2.3 Power-Up Test Flow – Phase 1 ........................................................... 2-12
2.4 Power-Up Test Flow – Phases 2, 3, and 4........................................... 2-16
2.5 Power Applied – Vaux Present............................................................ 2-18
2.6 System Turned On .............................................................................. 2-22
2.7 SROM/XSROM Error Reports............................................................. 2-34
Chapter 3 Troubleshooting
3.1 Troubleshooting During Power-Up....................................................... 3-2
3.2 System Management Console Problems ............................................... 3-5
3.3 Power-Up Display and Troubleshooting ............................................... 3-6
3.4 Using the SCM Monitor ...................................................................... 3-10
3.4.1 SCM Commands ........................................................................... 3-10
3.4.2 Controlling Power ......................................................................... 3-12
3.4.3 Displaying and Setting Up the System Environment .................. 3-14
3.4.4 Displaying Configuration Information ......................................... 3-16
3.4.5 Dealing with EEPROMs............................................................... 3-22
3.5 Running Diagnostics Using the SCM Monitor.................................... 3-24
3.6 Using the SRM Console ...................................................................... 3-30
3.6.1 Displaying and Setting Up the System Environment .................. 3-30
3.6.2 Controlling Power with the SRM.................................................. 3-31
3.6.3 Displaying Configuration Information (SRM) .............................. 3-33
3.7 Running Diagnostics from the SRM Console...................................... 3-46
3.7.1 Setting Up the Test Environment ................................................ 3-46
3.7.2 Background Testing and Display.................................................. 3-48
3.7.3 Testing and Exercising the System .............................................. 3-52
3.7.4 Running SRM Loadable Diagnostics ............................................ 3-62
3.7.5 Crashing the System..................................................................... 3-70
3.8 Troubleshooting with LEDs................................................................ 3-72
3.9 Dealing with a Hung System .............................................................. 3-76
3.9.1 Troubleshooting a Diagnostic Hang.............................................. 3-78
3.9.2 Troubleshooting a Diagnostic Fault.............................................. 3-82
3.10 Dealing with Corrupt Firmware ......................................................... 3-84
3.11 Error Detection ................................................................................... 3-86
3.12 Compaq Analyze.................................................................................. 3-88