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DIMMS disabled during POST - IBM eServer xSeries 365

Troubleshooting


Problem

DIMMS disabled during POST - IBM eServer xSeries 365

Resolving The Problem

Source

RETAIN tip: H183734

Symptom

During POST, some memory DIMMs may become disabled.

Affected configurations

The system may be any of the following IBM eServers:

  • an xSeries 365, type 8862, any model
  • an xSeries 365, type 8861, any model

The BIOS level affected is:
  • version 1.10 or earlier

Solution

The behavior is corrected in BIOS version 1.12 or later. Click here to download and install BIOS version 1.12 or later.
 
Additional information

The behavior occurs during POST. It has not been observed during the normal operation of the system but may occur during the normal operation of the system.
 
During POST some of the DIMM memory modules when used with 16 DIMM memory boards, replacement part number (FRU) 73P7210, may be disabled due to multiple bit errors.

Workaround

Access the Configuration/Setup utility program and re-enable the DIMM memory modules. Click here for more information on the Configuration/Setup utility program

Document Location

Worldwide

Operating System

Older System x:Operating system independent / None

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Document Information

Modified date:
29 January 2019

UID

ibm1MIGR-59024