Symptoms
Intel Westmere EP processors may generate Uncorrectable ECC and/or Multibit Errors with Machine Check Errors (MCE). Dell has developed and released BIOS updates for all affected systems to address this issue.
Problem:
PowerEdge 11G servers with Westmere EP processors could experience Uncorrectable ECC or Multibit Bit Errors (MBE) with CPU Machine Check Errors (MCE) when C-States is enabled in the systems BIOS.
Solution:
Dell has released BIOS updates for the affected 11G PowerEdge platforms to address the memory and machine check errors. The updates include updated Memory Reference Code (MRC) which corrects this behavior.To download and install the updated BIOS versions, click the relevant hyperlink in the tables below.To check if a new version is available in the Bios download page, please scroll down and extend the "Other Version" section:Figure 1: "Other Versions"
PowerEdge Blade BIOS VersionM610 / M610x6.3.0 or laterM7106.3.0 or laterM710HD7.0.0 or later
PowerEdge Rack BIOS VersionR4101.11.0 or laterR5101.11.0 or laterR6106.3.0 or laterR7106.3.0 or later
PowerEdge Tower BIOS VersionT4101.11.0 or laterT6106.3.0 or laterT7106.3.0 or later