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E9000 Server Compute Node and Switch Module iMana 200 Alarm Handling 01

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ALM-0x0C07FFFF Memory Configuration Error Critical Alarm (DIMMN)

ALM-0x0C07FFFF Memory Configuration Error Critical Alarm (DIMMN)

Description

Alarm message:

Configuration error, dimm is ###

This alarm is generated when a DIMM installation error or fault is detected during the BIOS startup process.

NOTE:

For details about DIMM layout, see "Installing DIMMs" in the troubleshooting manual about the server.

This alarm is generated by the following sensor: DIMMN

Attribute

Alarm ID

Alarm Severity

Auto Clear

0x0C07FFFF

Critical

Yes

Parameters

Name

Meaning

N

  • DIMM silkscreen, for example, DIMM020 (A) or DIMM010 (B)
  • CPU socket number and channel number.

Impact on the System

If a configuration error occurs in the first DIMM slot for a CPU, the system cannot start. If a configuration error occurs in other DIMM slots, the system can start but the other DIMMs are not available.

Possible Causes

  • The DIMM is not installed in the correct slot.
  • The DIMM is faulty.
  • The mainboard is faulty.

Procedure

  1. Power off the server and check whether the DIMM installation positions are correct.

    For details about DIMM installation rules, see the server user guide.

    • If yes, go to 3.
    • If no, go to 2.

  2. Install the DIMMs in correct positions by referring to DIMM installation rules. Then check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to 3.

  3. Check whether alarms are generated for multiple DIMMs of the same channel.

    • If yes, go to 4.
    • If no, go to 5.

  4. Switch the DIMM with a functioning DIMM in the same chassis. Then, check whether the alarm is still generated for this DIMM.

    • If yes, go to 5.
    • If no, go to 6.

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

    • If yes, no further action is required.
    • If no, go to 7.

  6. Replace the mainboard. Then check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to 7.

  7. On the HMM WebUI, choose System Management > Information Collection, and collect logs.
  8. Contact Huawei technical support.
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Updated: 2018-08-16

Document ID: EDOC1100035007

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