That could very well be the case there were many issues with BIOS 1.0 and 1.2
Have a look here...
http://forum.abit-usa.com/showthread.php?t=122393
This lists all the BIOS updates but you must use the DOS utility to boot outside of Windows the Windows Flash updaters has major issues and many people have had to order new BIOS chips.
Hope this helps.