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 P4T533 1003 - 03 Beta
Asus Bios P4B266-E 1003 - 01 Beta
Asus Bios A7V333 1008 - 04 Beta
Asus Bios P4B266 / P4B266-SE 1008 - 01 Beta
Asus Bios TUV4X 1005 - 02 Beta
Asus Bios P4B533-V 1004 - 07 Beta
Asus Bios P4T-EM 1004 Final (=1004 - 01 Beta)

Download Here