Asus has posted the follow bios updates:

Bios CUV4X 1009 - 04 Beta
Bios CUV4X-C 1007 - 03 Beta
Bios CUV4X-E without OnBoard Audio 1003 - 05 Beta
Bios CUV4X-E(A) with OnBoard Audio 1004 - 05 Beta
Bios CUV4X-ME 1002 - 06 Beta
Bios CUV4X-LS 1004 - 03 Beta
Bios CUSI - Serie 1008 - 05 Beta

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