i have the Sapphire X800pro vivo, i opened the 4 locked pipes and have 16 pipes, but the card won't run at 520/560 that is X800XT bios default, so i had to flash back to X800pro.
Someone please explain how i can find out if my card's mem volt is 1,3v or 1,4v and if 1,3v how to mod it to 1,4v...