Memory Dimm Present Detect Bits (Pd-Bits) - IBM P 615 series Service Manual

Table 6. Service Processor Error Codes. (continued)
Error Code Description
4B23 271C Description: 2-way processor card fault
Action: This error code indicates that the processor repeat gard function has deconfigured a
processor. Do the following:
1. Go to the processor configuration/deconfiguration menu, located under the system information
menu in the service processor menus.
Look at the status of the processors. If any of the processors have a status of manually
deconfigured, reconfigure the processor(s) and boot the system to the SMS menus. Power off
the system using the white power button and look again at the status of the processors. If all of
the processors are still configured in the processor configuration/deconfiguration menu, the
problem has been resolved.
If any of the processors have a status of deconfigured by the system, either before or after the
boot to the SMS menus, go to step 2.
2. Replace the processor card (on which the deconfigured processor resides) specified by the
location code.
4B2x 26F4 Description: System backplane with 1 processor
Action: Replace the system backplane,
Location: U0.1-P1
4B2x 26F5 Description: System backplane with 2 processors
Action: Replace the system backplane,
Location: U0.1-P1
4B2x 271B Description: System backplane with 1 processor
Action: Replace the system backplane,
Location: U0.1-P1
4B2x 271C Description: System backplane with 2 processors
Action: Replace the system backplane,
Location: U0.1-P1

Memory DIMM Present Detect Bits (PD-Bits)

The following table expands on the Memory Error Notes found on page 184, where yy is the PD value in
the table below and xxx are the last three digits of the error code. Use these values to identify the type of
memory that generated the error.
If you replace FRUs or perform an action, and the problem is still not corrected, go to "MAP 1540:
Problem Isolation Procedures" on page 110 unless otherwise indicated in the Memory Error Notes found
on page 184.
Table 7. Memory DIMM PD bits
PD value
Note: Memory DIMMs must be installed in quads.
28
38
68
78
88
Action/
Possible Failing FRU
Size
512 MB
128 MB
256 MB
1024 MB
2048 MB
Chapter 5. Error Code to FRU Index
199