234-DIMM Initialization Error – Processor X DIMM Y

Symptom

234-DIMM Initialization Error – Processor X DIMM Y. The identified DIMM could not be properly trained and has been mapped out. (Major Code: A, Minor Code: B).

Cause

  • DIMMs are not seated correctly.

  • Processors are not seated correctly.

CAUTION:
Failure to properly handle DIMMs can damage the DIMM components and the system board connector. For more information, see the DIMM handling guidelines in the troubleshooting guide for your product on the Hewlett Packard Enterprise website:
CAUTION:

Before removing or replacing any processors, be sure to follow the guidelines in "Processor troubleshooting guidelines" in the troubleshooting guide for your product. Failure to follow the recommended guidelines can cause damage to the system board, requiring replacement of the system board.

Action
  1. Remove, and then reinstall the specified DIMMs.
    For more information, see the server maintenance and service guide for your product on the Hewlett Packard Enterprise website:
  2. If the issue persists, reseat the processors.
  3. If the issue persists, update the System ROM.
    For more information, see the following topic in the troubleshooting guide for your product on the Hewlett Packard Enterprise website:
  4. If the issue persists, open a support case using the Hewlett Packard Enterprise Support Center website (https://www.hpe.com/support/hpesc).