S.51006
[S.51006] A memory mismatch has been detected. Please verify that the memory configuration is valid.

Explanation

One or More Mismatched DIMMs Detected

Severity

Error

User response

Complete the following steps:
  1. Could follow an uncorrectable memory error or failed memory test. Check the log and service that event first. DIMMs disabled by other errors or actions could cause this event.
  2. Verify that the DIMMs are installed in the correct population sequence.
  3. Disable memory mirroring and sparing. If this action eliminates the mismatch, check the IBM Support site for information related to this problem.
  4. Update UEFI firmware.
  5. Replace the DIMM
  6. Replace the processor.

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