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Processors Run at Lower Frequency After Performing BIOS Update to 58 for Certain Intel® Server Boards and Chassis

Last Reviewed: 26-Apr-2016
Article ID: 000008120

After upgrading the system from an earlier BIOS to BIOS 58, the user might see a processor frequency downgrade in the BIOS setup page, shell environment and operating systems. Doing an AC cycle after the BIOS update may increase the failure rate.

To recover from this issue, update the system BIOS to 59 or later versions.

Technical Advisory 986 icon
Date: September 2011

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