Asus have released some new BIOS files and as usual be careful when flashing your motherboard BIOS. Hit Read More for the full list.

Asus Bios A7V266 1013 - 01 Beta
Asus Bios A7V266-C / -E / -EX / -M 1013 - 01 Beta
Asus Bios TUSI-M 1018 - 01 Beta
Asus Bios CUSI-Serie 1018 - 01 Beta
Asus Bios P4S8X 1004 Final (=1004 - 03 Beta)
Asus Bios A7V8X 1007 Final (=1007 - 08 Beta)

Download Here