Here's some new BIOS files that I found while surfing the net from AOpen, Asus, ECS Elitegroup and ENMIC.

AOpen AX34, AX34 Pro R1.14

AOpen AX34 II, AX34 Pro II R1.13

AOpen AX3S-U R1.06

AOpen AX3SP Pro-U R1.03

AOpen AX3SP-U R1.03

AOpen MX34 R1.17

AOpen MX3S-T R1.03

Asus A7M266-D version 1005d02d

Asus A7V333 version 1003

Asus A7V133 version 10081f

Asus A7V133-C version 1008c01f

Asus A7N266 1001.C

Asus A7N266-E 1001.C

Asus A7V266 1006

Asus A7V266 version 1007_02

Asus A7V266-E 1006

Asus A7V266-E version 1007e_02

Asus A7V266-EX 1006

Asus A7V266-EX version 1007ex02

Asus A7V266-M 1006

Asus A7V266-M version 1007m_02

Asus P4B-LX 1005

Asus P4B-MX 1003

Asus TR-DLS 1005

ECS Elitegroup P4VXAS2 Rev2.x 2.20d

ENMIC 8TEX+ 23.1.

These BIOS files can also be downloaded from Fdrsoft.fr.fm - 3DCenter.de - Socketa.com and of course from the manufacturers.