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The RH2285 V2 iMana Reports a CPU CAT Error

Publication Date:  2015-06-24 Views:  251 Downloads:  0

Issue Description

Hardware configuration:
RH2285 V2

Software configuration:
iMana 3.63, basic input/output system (BIOS) V036


The ALM indicator on the front panel of the RH2285 V2 is steady red, and the RH2285 V2 does not respond. Alarms exist in iMana logs, as shown in Figure 1.

Figure 1 iMana system events

Handling Process

Upgrade the RH2285 V2 BIOS to V055 or later.

Root Cause

The QuickPath Interconnect (QPI) EQ value of RH2285 V2 BIOS V036 is not optimized. The issue will be resolved in BIOS V055.


If only the CPU CAT error occurs and no other hardware faults are reported, check the BIOS version first. If the BIOS version is V036, upgrade the BIOS and check whether the fault is rectified.