How did you 'reset' your BIOS - selecting "load default settings" and then F10 to save and boot?
If you do load BIOS defaults and before saving and booting, when you go through the setting are they still stuck with your OC'd settings? If they are not, trying saving the defaults to OC profiles 1 and 2.
If that doesn't work, you could try clearing your RTC RAM in CMOS by moving the jumper caps to the clear position (see chapter 2, pg 26 in the manual for detailed instructions).
There are other ways people have reset flashed to prior BIOS when troubled occured after having trouble with certain versions. I'm not familiar with the details besides using certain program on floppy disks, but you can search this thread.
I would also highly recommend searching through
this thread over on the
XTreme Systems forums if you haven't already. It is far and away the most active support and discussion thread out there when it comes to this board. It's currently 206 pages long so there is a lot to sift through... though pages 205 and 206 both have discussion of someone having BIOS resetting issues...
hope that helps,
- dw