Error Code Message Information
CPU0023 Message CPU <number> is absent.
Action Verify processor installation. If present, re-seat the
processor.
CPU0204 Message CPU <number> <name> voltage is outside of range.
Details Voltages outside the allowable range may damage electrical
components or may cause the system to shutdown.
Action 1. Turn off the system and remove input power for one
minute.
2. Ensure the processor is seated correctly.
3. Reapply input power and turn on the system.
4. If the issue persists, see Getting Help.
CPU0700 Message CPU <number> initialization error detected.
Details System BIOS was unable to initialize the processor.
Action 1. Turn off the system and remove input power for one
minute.
2. Ensure the processor is seated correctly.
3. Reapply input power and turn on the system.
4. If the issue persists, see Getting Help.
CPU0701 Message CPU <number> protocol error detected.
Details System event log and operating system logs may indicate
that the exception is external to the processor.
Action 1. Check system and operating system logs for exceptions.
If no exceptions are found, continue.
2. Turn off the system and remove input power for one
minute.
3. Ensure the processor is seated correctly.
4. Reapply input power and turn on the system.
5. If the issue persists, see Getting Help.
CPU0702 Message CPU bus parity error detected.
Details System event log and operating system logs may indicate
that the exception is external to the processor.
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