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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 (MEMBrdN DIMM)

ALM-0x0C01FFFF Uncorrectable Memory Error (MEMBrdN DIMM)


Alarm message:

Uncorrectable memory error, dimm is M

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

This alarm applies only to the RH8100 V3 only.

Sensor triggering the alarm: MEMBrdN DIMM


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 reinstall 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 the DIMM, see "Replacing Parts" in 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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