Here's some new BIOS files that I found while surfing the net from AOpen, ECS Elitegroup, FIC, MSI and Soyo.
AOpen AX45 R1.02
AOpen AX4B R1.02
AOpen AX4B Pro R1.02
AOpen AX4BS Pro R1.04
AOpen AX4BS-V R1.04
AOpen AX4T II R1.00
AOpen MX3S R1.23
AOpen MX46 R1.02
ECS Elitegroup K7S6A 1.0b
ECS Elitegroup P6VXAT 1.1
FIC AD11 aba-BIOSe aba46
FIC AD11 abb-BIOSe abb43
FIC FR33E veb43
MSI 815 Pro (MS-6326 v1.0) 1.5
MSI K7 Master (MS-6341 v1.x) 1.5
MSI K7T266 Pro/-R (MS-6380 v1.0) 1.8
MSI MS-6368 (MS-6368 v2.1) 3.7
Soyo K7VTA Pro 2aa6
AOpen AX45 R1.02
AOpen AX4B R1.02
AOpen AX4B Pro R1.02
AOpen AX4BS Pro R1.04
AOpen AX4BS-V R1.04
AOpen AX4T II R1.00
AOpen MX3S R1.23
AOpen MX46 R1.02
ECS Elitegroup K7S6A 1.0b
ECS Elitegroup P6VXAT 1.1
FIC AD11 aba-BIOSe aba46
FIC AD11 abb-BIOSe abb43
FIC FR33E veb43
MSI 815 Pro (MS-6326 v1.0) 1.5
MSI K7 Master (MS-6341 v1.x) 1.5
MSI K7T266 Pro/-R (MS-6380 v1.0) 1.8
MSI MS-6368 (MS-6368 v2.1) 3.7
Soyo K7VTA Pro 2aa6
