I have sr2 Motherboard trying to get my 3way sli to work 3x gtx 580 classifieds, cpu's 2x 5680, 2x corsair ax1200 power supplies. I can run 3 way sli but i get fram rate lag on the desktop and gameing frame rates are to bad to play . I can run 2 way sli no problem with any of the 2 cards. still run original BIOS that came on the motherboard I have power to the pci plug to power the pci slots im useing 1,3,5 pci slots. could this be a power problem I need help. Monitor BenQ V2400w running 1900x1200, 60hz, 32 bit color