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FusionServer Pro Rack Server iBMC Alarm Handling 31

This document describes iBMC alarms in terms of the meaning, impact on the system, possible causes, and handling suggestions.

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ALM-0x0C01FFFF Uncorrectable Memory Error (MEMRiserN DIMM)

ALM-0x0C01FFFF Uncorrectable Memory Error (MEMRiserN DIMM)


Alarm message:

Uncorrectable memory error, dimm is M

This alarm is generated when an uncorrectable error occurred on a DIMM.

This alarm can only be generated by the RH5885H V3.

This alarm is generated by the following sensor:

  • MEMRiserN DIMM (N indicates a memory riser number.)


Alarm ID Alarm Severity Auto Clear





Name Meaning


Indicates the silkscreen of a DIMM.


Indicates a memory riser number.

Impact on the System

Services may be interrupted and the system may stop responding or restart.

Possible Causes

The DIMM is faulty.


  1. Remove and then install the DIMM. Then check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 2.

  2. Replace the DIMM. Then check whether the alarm is cleared.

    For details about how to replace a DIMM, see the server user guide.

    • If yes, no further action is required.

    • If no, go to 3.

  3. Contact Huawei technical support.
Updated: 2019-11-19

Document ID: EDOC1000054724

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