don't use the bios beta updates if you can
heres your page as u prolly know:
http://support.asus.com/download/downlo ... 32-E%20SLI
Try using the Asus Update Tool:
http://www.softpedia.com/get/Tweak/Syst ... lity.shtml
your floppy working? because if you can't get binn files working with Asus Update tool then look for instructions on running it from a floppy disk......
good luck