Quote Originally Posted by speckled10 View Post
An update on my results .. turn out I'm not so prime stable @ 1.4V with those posted settings .. crashes pretty consisently around 20 min mark ..

ACPI 2.0 On seems to buy me an extra 20 mins on top @ 40mins ..

DRAM to 1.68V & QPI to 1.35625V got me to 1hr 25mins prime @ 1.4V CPU (Auto had DRAM @ 1.8V !!) .. bumping QPI higher to 1.4V actaully had negative effect.. crashing in 5 mins prime ..

1.45V CPU (rest volts Auto) also does the trick .. gets me over an hour with prime .. but temps are off the chart again ..
Interesting you posted this. I found too that with lower QPI/VTT voltage I end up being more stable. I do not run my QPI/VTT past 1.39V now even for 4.14GHz OC...

I think high QPI/VTT produces too much heat and unless you are cooling with water or better it becomes unstable very quickly, but I am just speculating on the cooling. I do know that high QPI/VTT really pushes the heat.