I'm almost for sure all the new P8P67 Deluxe / Pro / EVO / Sabertooth / P8H67-M EVO / Standard B3 boards will come with 1305 bios and you can not flash back to any other bios as for the B3 Microcode in the new Chipset.
The 1305 is OK for now , Sure it still needs help but it works fine and all we can do as with any new Tech that hits the market is wait.:eek:
Maximus IV Extreme
Official Release - UEFI 1204 It will be on our Asus support site in a few days. As per Asus rep @ hardforum..