Asus has posted a ton of new bios updates:

Bios CUSL2 - Series ( i815e ) 1006 - 07 Beta
Bios CUSL2-C(A/B) / CUEP2-M ( i815ep ) 1006 - 07 Beta
Bios CUV4X 1009 - 02 Beta
Bios CUV4X-C 1007 - 01 Beta
Bios CUV4X-E(A) with OnBoard Audio 1004 - 01 Beta
Bios CUV4X-E without OnBoard Audio 1003 - 01 Beta
Bios CUV4X-M 1007 - 05 Beta
Bios CUV4X-ME 1002 - 03 Beta
Bios CUV4X-D / DLS 1006 - 05 Beta
Bios CUSI - Series 1008 - 02 Beta
Bios P4T 1004 Final (=1004 - 02 Beta)
Bios A7A266 1003.B Final (=1003 - 08 Beta)
Bios A7V-E 1002.D Final (=1003 - 03A Beta)
Bios CUSL2-LS 1006.A Final (=1006 - 04 Beta)
Bios CUSL2-C(B) Black Pearl 1006.A Final (=1006 - 04 Beta)
Bios CUV4X-LS 1003 Final (=1003 - 03 Beta)
Bios CUSI-FX with OnB. LAN 1007 Final (=1007 - 02 Beta)
Bios CUSI-FX without OnB. LAN 1007 Final (=1007 - 02 Beta)
Bios CUSI-M with OnB. LAN 1007 Final (=1007 - 02 Beta)
Bios CUSI-M without OnB. LAN 1007 Final (=1007 - 02 Beta)

Download