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Huawei Rack Server iBMC Alarm Handling 28

This document describes iBMC alarms in terms of the meaning, impact on the system, possible causes, and handling suggestions.
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ALM-0x0C07FFFF Configuration Error (DIMMN)

ALM-0x0C07FFFF Configuration Error (DIMMN)

Description

Alarm message:

Configuration error, dimm is N

This alarm is generated during startup of the basic input/output system (BIOS) when a DIMM is not installed properly or is faulty.

NOTE:

For details about DIMM layout, see the server user guide or use the Huawei Server Product Memory Configuration Assistant.

Sensor triggering the alarm: DIMMN

Attribute

Alarm ID Alarm Severity Auto Clear

0x0C07FFFF

Critical

Yes

Parameters

Name Meaning
N Indicates the silkscreen of a DIMM.

Impact on the System

If the alarm is generated for the DIMM in slot 1, the system cannot start. If the alarm is generated for a DIMM in another slot, the system starts properly but the DIMM is unavailable.

Possible Causes

  • The DIMM is not installed in the correct slot.

  • The DIMM is faulty.

Procedure

  1. Power off the server, and check whether the DIMM is installed in the correct slot.

    For details, see the troubleshooting manual.

    • If yes, go to 2.

    • If no, go to 3.

  2. Remove and reinstall the DIMM, and check whether the alarm is cleared.

    • If yes, no further operation is required.

    • If no, go to 3.

  3. 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 operation is required.

    • If no, go to 4.

  4. Contact Huawei technical support.
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Updated: 2019-06-04

Document ID: EDOC1000054724

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