IBM Support

Empty DIMM memory slots are set to disabled by default - IBM eServer xSeries 305

Troubleshooting


Problem

The IBM eServer xSeries 305 type 8673 has the DIMM memory slots set to disabled by default after a memory upgrade has been performed. You may not see the new memory in POST.

Resolving The Problem

Source

RETAIN tip: H182753

Symptom

The IBM eServer xSeries 305 type 8673 has the DIMM memory slots set to disabled by default after a memory upgrade has been performed. You may not see the new memory in POST.  

Affected configurations

The system may be any of the following IBM eServer servers:

  • IBM eServer xSeries 305, type 8673, any model

The BIOS level affected is:  

  • 1.65A
Solution

None. System working as designed.

Workaround
  1. Install the DIMM memory upgrades into empty DIMM memory slots.
  2. Boot the machine and press F1 to get into BIOS, then select Advanced Settings, then Memory Settings, and change the corresponding DIMM slots option to "Row is enabled".
  3. Save the BIOS settings and reboot.
Additional information

The xSeries 305 type 8673 BIOS SPEC defines the default setting for empty DIMM memory slots as "disabled". When DIMM upgrades are added, users must manually select BIOS, then Advanced Settings, then Memory Settings and enable the corresponding DIMM slots.
 

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-57223

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