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Chapter 5
Troubleshooting
Troubleshooting System Power
153
Step 2. Remove the processor extender board, memory extender board, disk drives, I/O cards (if possible)
and plug the ac power cords into the power supplies. The iLO MP comes on and lists the following
CM> DF CRU IDs The following Alert Event might also appear:
CRU IDs:
--------
0002-Power Converter 0003-Power Supply 0 0004-Power Supply 1
0005-Diagnostic Panel 0006-Front Panel 0000-Motherboard
Log Entry 4: 00:00:09
Alert Level 5: Critical
Keyword: Type-02 257100 2453760
Missing CRU device - Mem Extender
Logged by: Baseboard Management Controller;
Sensor: Entity Presence
0x2000000009020050 FF01807115250300
If you do not see all of the CRU IDs, concentrate on the missing CRU IDs.
NOTE A defective midplane board can cause power on or dc voltage problems. If you do not
get the above alert level 5 event, but get another high level alert, replace the
midplane board.
If you do show the above CRU ID entries and get the alert level 5 Missing CRU device - Mem
Extender event, add the memory extender board with at least one quad of DIMMs.
Step 3. Observe the amber power LED flashing and the red fault system LED flashing.
The output of the DF command for a system with two quads of DIMMS installed is as follows:
CRU IDs:
--------
0152-DIMM0D 0001-Mem Extender 0002-Power Converter
0003-Power Supply 0 0004-Power Supply 1 0005-Diagnostic Panel
0006-Front Panel 0128-DIMM0A 0136-DIMM0B
0144-DIMM0C 0160-DIMM1A 0168-DIMM1B
0176-DIMM1C 0184-DIMM1D 0000-Motherboard
The high level alerts listed were generated in the SEL logs. For example:
Log Entry 3: 23 DEC 2006 21:50:43
Alert Level 5: Critical
Keyword: Type-02 257100 2453760
Missing CRU device - CPU 0 PIROM
Logged by: Baseboard Management Controller;