i want to ask somethink i have this version of 6950 http://www.dove.co.nz/assets/images/product/7378-5912142.jpg Sapphire Radeon HD 6950 2gb and i want to flash bios to 6970, i tryed but noting happend i check my card and i cant found the bios switcher JUMPER, so is there way to make my 6950 to...