IBM Support

Encounter POST 162/184 error code after flashing to BIOS 37a - IBM Servers

Troubleshooting


Problem

System BIOS customize settings will be lost and be restored to the manufacturing default after upgrading BIOS to version 1.37-Build ID K3JT37AUS, or any later version. The issue would not occurs in future BIOS upgrading if system BIOS is installed with version 1.37 or later. The following error messages can be observed during the POST: "162 Configuration change has occurred" "184 The system BIOS password has become invalid"

Resolving The Problem

Source

RETAIN tip: H194188

Issue

System BIOS customize settings will be lost and be restored to the manufacturing default after upgrading BIOS to version 1.37-Build ID K3JT37AUS, or any later version.

The issue would not occurs in future BIOS upgrading if system BIOS is installed with version 1.37 or later.

The following error messages can be observed during the POST:

  "162 Configuration change has occurred"

"184 The system BIOS password has become invalid"

Affected configurations

The system may be any of the following IBM servers:

  • System x3350, type 4192, any model
  • System x3350, type 4193, any model

The following system BIOS level(s) are affected:

  BIOS build 37A (K3JT37AUS)

This tip is not option specific.

This tip is not software specific.

Workaround

Backup and record customize BIOS settings before upgrading BIOS to version 1.37, or later.

Then, restore the customize BIOS settings after flashing is completed.

Additional information

There is a BIOS architecture limitation for WHEA (Windows Hardware Error Architecture) support.

The BIOS CMOS allocation is modified since BIOS version 1.37-Build ID K3JT37AUS in order to fulfill WHEA requirement.

Document Location

Worldwide

Operating System

System x:Operating system independent / None

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Document Information

Modified date:
29 January 2019

UID

ibm1MIGR-5078297