It's monday and ASUS has released a couple of new BIOSes for your download and flashing pleasure. Click Read More to get the list. P4B533 1006 Final (=1006 - 01 Beta)
P4B533 - Serie 1007 - 02 Beta
A7N266 / -C / -E 1003 - 02 Beta
Be careful when you flash your BIOS.