Here's some new BIOS files that I found while surfing the net from Asus, Abit , Aopen , MSI and Soltek.

Please recheck the BIOS versions and the accompanying motherboard. Only flash when necessary. Asus

Asus Bios P4B533-M 1010 Final (=1010 - 01 Beta)
Asus Bios P4T533 1005 Final (=1005 - 03 Beta)
Asus Bios A7M266-D 1008 Final (= 1008 - 001-A Beta )
Download Here

Abit

Abit BIOS BJ BD7/BD7-RAID (Revision 1.0)
Abit BIOS BK BD7m (Revision 1.0)
Abit BIOS BD NV7-133R (Revision 1.0)
Abit BIOS BE NV7m (Revision 1.0, Revision 1.1)
Abit Bios BQ SR7-8X
Abit BIOS BF TH7II/TH7II-RAID (Revision 1.0)

Aopen

Aopen Bios 1.00 AK77-8X
Aopen Bios 1.00 AK77-8XN
Aopen Bios 1.02 AX4B-533-TUBE
Aopen Bios 1.03 AX45-533

MSI

MSI BIOS 5.6 KT3 Ultra2
MSI BIOS 5.6 KT3 Ultra
MSI BIOS 5.6 KT3 Ultra-ARU
MSI BIOS 5.6 K7T266 Pro2-A
MSI BIOS 1.3 KT3 Ultra2-C
MSI BIOS 5.1 MS-6533EG
MSI Bios 1.5 K7D Master

Soltek

Soltek Bios 1.6 SL-75DRV5