I've tried 1/5, Auto, and 1/6..all within about 100 pts of each other(at 200)..1/5 being the fastest. I can't run ultra at 133 either, I think i'm going to do the vcore mod to see if I can get 2.15+v do 200x8.5(ran 3dmark and cpuburn all night)
Edit: What scores are you getting from the CPU & Cpu Multimedia test in Sandra?
Edit: What scores are you getting from the CPU & Cpu Multimedia test in Sandra?