Asus have released some new BIOS files. Hit Read More for the full list.

Asus Bios P4B266 / P4B266-SE 1007 Final (=1007 - 05 Beta)
Asus Bios P4B-FX 1003 Final (=1003 - 01 Beta)
Asus Bios TUWE-M 1003 Final (=1004 - 01 Beta)
Asus Bios A7V266 ( KT266 ) 1010 - 02 Beta
Asus Bios A7V266 - Series ( KT266A ) 1010 - 02 Beta
Asus Bios P4T533-C 1005 - 02 Beta
Asus Bios P4T-M 1005 - 06 Beta
Asus Bios A7N266-VM 1003 - 04 Beta
Asus LiveUpdate v3.30.04 for Win9x / NT4 / W2K / XP

Download Here