Just in case this might help. I have a DH57JG (sitting on a shelf for 4 years+) with an i3-550 SLBUD processor (which is not listed as supported). My board wouldn't post, wouldn't do anything. I downloaded the lastest BIOS (version 663) to a 2GB FAT formatted flash drive where the JG0663P.BIO file was the only file on the drive. Removed the jumper for configuration mode and powered up the board with this flash drive plugged in. After several minutes, the board came to life.
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