Reflash your board with 0803.
Remove your power cable from your PSU or disable it with the power switch if you have one. Do a Clear CMOS before you flash it.
Start your system and enter BIOS Setup to load Setup Defaults and save it.
Enter BIOS Setup again and flash your board again with BIOS 0803.
After flashing your board power it down remove the power cable again from the PSU or disable the power switch and do a Clear CMOS again.
Start your system and enter BIOS Setup again to load Setup Defaults and save it.
Now you can put all your settings back.
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