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 P4B533-M 1010 Final (=1010 - 01 Beta)
Asus Bios P4B533 - Serie 1011 - 01 Beta
Asus Bios P4T533-C 1008 - 02 Beta
Asus Bios A7V8X 1007 - 02 Beta

Download Here