Folks need some help, bought a 6600gt from ebay to couple with my older one however the dude i bought it from seems to have been messing around with it. It seems to have a bios for a 6800-u? I've not tried to plug in the old card and find out if sli works (i doubt it will some how) but does any one know of a way to flash the bios in these cards, either back to the original or to the next best thing, the newest one. Its an xfx, but i could not see anything on their website about bioses/firmware. edit: Just read that sli doesn't work in 2k.... bugger.... time for an "upgrade"