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Error: 0C00FFFF Correctable ECC DIMMN

Publication Date:  2014-03-31 Views:  300 Downloads:  0

Issue Description

the customer received this error from his server :0C00FFFF Correctable ECC DIMMN from  two - three times a week.

Alarm Information

Sensor                          Event Description   Event Code    Status
Memory (DIMM002)     Correctable ECC   0C80FFFF      Deasserted
Memory (DIMM002)     Correctable ECC   0C00FFFF      Asserted
Memory (DIMM002)     Correctable ECC   0C80FFFF      Deasserted
Memory (DIMM002)     Correctable ECC   0C00FFFF      Asserted

Handling Process

Because this Memory (DIMM 002 - in this case) generated this warning [0C00FFFF Correctable ECC DIMMN] often  we will change this memory.

Root Cause

The alarm is generated when the error correcting code (ECC) errors reach the unrecoverable limit. The alarm severity for this warning is minor, in fact this is not a hardware problem, it’s more like a software warning but not a hardware defective.  


If you have possibility to try “power off” the server and “power on”  the alarm will be cleared.

if the warrning will appear again in few days, replace the memmory.