Can someone point me in the right direction, i have a gigabyte hd6850 i play bf3 with it. what setting i can set it at? any tips would help. my system is older...amd 9600, with an asus board it only supports 4 gig of ram. "it's maxed out now" and a corsair 700wt power supply. " im getting ready to build a newer gamer soon.