T3-x/T4-x systems might report "Speed mismatch detected, Invalid processor speed, Failed to margin" events after a MB and/or PM replacement during POST (Doc ID 1587745.1)

Last updated on MAY 23, 2016

Applies to:

SPARC T4-4 - Version All Versions to All Versions [Release All Releases]
SPARC T4-2 - Version All Versions to All Versions [Release All Releases]
SPARC T4-1 - Version All Versions to All Versions [Release All Releases]
SPARC T3-4 - Version All Versions to All Versions [Release All Releases]
SPARC T3-2 - Version All Versions to All Versions [Release All Releases]
Information in this document applies to any platform.

Symptoms

After replacement of a MotherBoard (MB) and/or ProcessorModule (PM) due to a failure, the new MB and/or PM might contain a higher T3/T4 CPU revision and might report the following failures:

Cause

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