Asus has released the follow bios updates:

Bios P4B266-M 1005 - 01 Beta
Bios A7N266-Series 1003 - 03 Beta
Bios P4B533 / -E 1007 - 06 Beta
Bios P4B-LX 1006 - 04 Beta
Bios P4T533 1003 - 02 Beta
Bios P4T-M 1005 - 04 Beta
Bios TUWE-M 1004 - 01 Beta
Bios CUV4X-D 1016 - 01 Beta
Bios CUV4X-DLS 1016 - 01 Beta

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