IBM 3746-900, Installation And Maintenance Manual

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Table 3-1 (Page 2 of 12). POST Errors
Symptom / Error FRU to replace / Action to take
161
Bad CMOS battery.
1. Run Configuration/Setup Utility. .
2. CMOS Backup Battery (See
Appendix A, “Safety Information” on
page A-1.)
3. System Board
162
Configuration mismatch.
1. Run Setup and verify Configuration.
2. Had a device been added, removed,
changed location? If not, suspect that
device.
3. Power-on external devices first, then
power-on computer.
4. CMOS Backup Battery (See
Appendix A, “Safety Information” on
page A-1.)
5. System Board
162
And unable to run diagnostics.
1. Diskette Drive
2. System Board
3. Diskette Drive Cable
163
Clock not updating or invalid time set.
1. Time and Date Set?
2. CMOS Backup Battery (See
Appendix A, “Safety Information” on
page A-1.)
3. System Board
164
POST detected a base memory or
extended memory size mismatch error.
1. Run Setup. Check System Summary
menu for memory size change. (See
“Service Processor Configuration /
Setup Utility” on page H-8.)
2. Run the Extended Memory Diagnostic
tests.
166
Boot Block Check Sum Error.
1. Run Flash Recovery using Boot
Block. See “Flash Recovery Boot
Block” on page 3-33.
2. System Board
167
Microprocessor installed that is not
supported by the current POST/BIOS
1. Run Setup. Check Stepping level for
the BIOS level needed, then perform
the flash update.
2. Processor
168
Alert on LAN TM error.
1. Run Setup. Check to see that
Ethernet and Alert on LAN are enabled.
2. System Board
17X, 18X C2 Security
175 1. Run Configuration (see “Service
Processor Configuration / Setup
Utility” on page H-8).
2. System Board
176 Covers were removed from the
computer
177
Corrupted Administrator Password.
System Board
178 System Board
Chapter 3. Service Processor Troubleshooting
3-3