Asus have released some new BIOS files and a new Intel Chipset inf driver based on the recently released official version by Intel. Hit Read More for the complete list.

Asus Bios A7V333 1007 - 10 Beta
Asus Bios P4B-M 1003 - 03 Beta
Asus Bios P4B266-E 1002 Final (= 1002 - 002 Beta )
Asus LiveUpdate v3.29.12 for Win9x / NT4 / W2K / XP
Asus Bios P4B266 / P4B266-SE 1007 - 03 Beta
Asus Bios A7S333 1004 - 01 Beta
Asus Intel Chipset inf Driver v4.00.1011 for Win9x / NT4 / W2K / XP

Download here.