Quote Originally Posted by RLM View Post
Only going by DFI experience here.

Firstly the default CPU VOLT ref I presume is the same as GTL ref and should be 0.67x for a quad core chip. Not set in stone though.

FSB and NB on the DFI required around 1.55v for decent stability.

Sb I wouldn't think you need to touch.

As I say this is going by DFI and a bit of research. Maybe figures worth considering.

RLM
thanks RLM for the reply, i tried using the lowest CPU Voltage Ref setting 0.57x and it worked fine, even lowered my temp by approx .5 to 1C. but when i tried to lower my Vcore from 1.375v to 1.3625v, my oc failed p95 after 1hr 57mins., i tried to up the CPU Voltage Ref setting to 0.61x and failed p95 after 3hrs++, went to max at 0.67x and it failed again after 5hrs... seems the Vcore is proper at 1.375v and for minor tweaking for oc's that fail after a while, seems that these setting helps.
Am currently at 3420Mhz using 0.57 for that setting at 1.375v(vcore), NB is 1.25v and FSB termination voltage at 1.3v... prime stable for 8hours++. temps range from 37 to 68C on a hot day... seems to be a good 24/7 setup for me for now as i am only on air(tuniq)...
cheers