EVGA 790I Ultra How to enable peer to peer writes for PCIE Video cards

Discussion in 'PC Hardware' started by Defcoms, Oct 3, 2010.

  1. Defcoms

    Defcoms MDL Novice

    Oct 3, 2010
    I have been trying for days to get 2 ATI video cards working in crossfire on this mother board. It seems Nvidia has disabled this feature unless you have nvidia GPU's installed. I have read a lot of stuff about this and HP seemed to have accomplished this on a 680i motherboard in a blackbird PC, with a modified bios that let them use SLI and Crossfire. I was wondering if it was possible for someone to do the same for a 790i ultra. When I have both cards installed the system boots fine and both cards work you just can't use Crossfire on the cards.