BIOS System Firmware failed

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http://serverfault.com – One of my company's servers won't boot. Both CPUs' error LEDs are lit. The iRMC interface shows the following errors: CPU 1 failed CPU 2 failed BIOS System Firmware (BIOS/EFI) failed All other entries are OK. I'm confused because the server ran fine until we re-booted it after installing Windows updates; then first the RAID system reported that it couldn't find any hard drives, the next boot 1 of 2 CPUs was reported non-operational, and on subsequent boots both CPUs are non-operational. That's why I had a look at the iRMC; maybe the "BIOS..." line hints towards the root of the issue? The s (HowTos)