Asus has posted new bios updates for the CUSL2, CUSL2-M and CUV4X-M Socket 370 motherboards.

CUSL2 1002 Final (=1002 - 005 Beta)
CUSL2-M 1002.B Final (=1002 - 007 Beta)
CUV4X-M 1005 - 05 Beta