Ok, so I am trying to unlock the other 4 pipes for a friend of mine. He has the PCI-x VIVO version of the X850 pro. When I flash the bios to the XT, or XT PE, it recognizes it as such, but the other 4 pipes are never unlocked. I am using the modified 16 pipe flashrom from techpowerup, anyone have same experiences? Ideas? Suggestions?