Quote Originally Posted by spectrum48 View Post
here is sapphire hd3850_512 bios with stock 2d and 1.33v 3d voltage

btw there is no option in P5K to boot from usb drive? this is rediculus, i can't flash a ****** bios
Many motherboards search their USB ports when you set it to boot from a "Removable" device (and that usually includes floppy drives). It might just be a tricky BIOS with misleading settings.. if that P5K really does not allow for it I'd be surprised.