Quote Originally Posted by yym789 View Post
Only 1 .......


I move 2 GTX570s to my friend's X58 system(ASUS P6T-D). SLI works fine.

wow,, Sad 1305 bios.
That sucks. I didn't touch anything in my bios with regards to vid cards. Maybe try a reset to defaults in bios and keep your fingers crossed.