matthewfisher
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Contributor

This is a known issue. DELLEMC have recalled BIOS 2.14.0 on specific platforms. The issue apparently relates to a microcode update in the 2.14 release not playing well with Intel E5-26xx v4 CPUs. There is apparently a replacement BIOS on the way that will correct the issue. In the meantime the current mitigation is to roll back to 2.13 which you seem to have already performed.

 https://www.dell.com/support/kbdoc/en-au/000197971/dsa-2022-015-dell-poweredge-improper-smm-communic...

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