Michael Biglen submitted a new resource:
Dell C6220 BIOS|ME|BMC Update - Dell C6220 BIOS|ME|BMC Update
Dell C6220 BIOS|ME|BMC Update - Dell C6220 BIOS|ME|BMC Update
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Flashing the BIOS of the Dell C6220 is no simple task. It requires updating the BIOS multiple times in between each step. I highly recommend you have the system on a UPS before you get started.
To get started I make a FreeDOS bootable USB flash drive with RUFUS
The you need to download: