Table 6. Service Processor Error Codes. (continued)Error Code Description Action/Possible Failing FRU4B23 271C Description: 2-way processor card faultAction: This error code indicates that the processor repeat gard function has deconfigured aprocessor. Do the following:1. Go to the processor configuration/deconfiguration menu, located under the system informationmenu in the service processor menus.Look at the status of the processors. If any of the processors have a status of manuallydeconfigured, reconfigure the processor(s) and boot the system to the SMS menus. Power offthe system using the white power button and look again at the status of the processors. If all ofthe processors are still configured in the processor configuration/deconfiguration menu, theproblem has been resolved.If any of the processors have a status of deconfigured by the system, either before or after theboot to the SMS menus, go to step 2.2. Replace the processor card (on which the deconfigured processor resides) specified by thelocation code.4B2x 26F4 Description: System backplane with 1 processorAction: Replace the system backplane,Location: U0.1-P14B2x 26F5 Description: System backplane with 2 processorsAction: Replace the system backplane,Location: U0.1-P14B2x 271B Description: System backplane with 1 processorAction: Replace the system backplane,Location: U0.1-P14B2x 271C Description: System backplane with 2 processorsAction: Replace the system backplane,Location: U0.1-P1Memory 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 inthe table below and xxx are the last three digits of the error code. Use these values to identify the type ofmemory 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 foundon page 184.Table 7. Memory DIMM PD bitsPD value Size28 512 MB38 128 MB68 256 MB78 1024 MB88 2048 MBNote: Memory DIMMs must be installed in quads.Chapter 5. Error Code to FRU Index 199
