I have a 680I evga mobo wuth 2 9800gt's in sli had a E6750 intell and it worked flawlessly, I should have left well enough alone but i cant ever seem to do that, so I upgraded to a q6600 and here is where the problem starts I have the P32 bios update and new chipset drivers and video drivers , scored a ROCKIN 16,890 in 3dmark06 and ran prime95 for 6 hours all 4 core firing 100% and temps never went over 48 degrees celcious, I can play BF2 perfectly, the problem is when i try to play crysis or Cod5waw, uncontrolable Lag, even in the log on screen where you chosse the server the pointer even lags in both games switched out my memory and still the same thing, i uninstalled the games and retryed same thing, all 4 cores are working I dont get it, dont know what else to do Help will be greatly appreciated, thanks you can send me a e-mail at phatboyhd88@hotmail.com so plz help thanks.