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Gulftown voltages

dkm777

dkm777

Senior member
I have my Gulftown overclocked to 4GHz (160x25) and used the following voltages to get there:
Vcore: 1.288V
VTT/QPI: 1.26V
Vdimm: 1.5V

Are these safe voltages? In my understanding Vdimm cannot be higher than VTT/QPI by 0.5V. So I should be safe?
 
Yes those are low voltages. I ran a bloomfield at 1.35V for nearly 3 years and in the last 4 months it has lost just a few hundred Mhz for stability at the same voltage. Should last a while at 1.288V.

The Vdimm problem with +0.5V never really materialised as most overclockers needed to push more QPI voltage anyway as the uncore was the limiting factor in a lot of overclocks.
 
That's good. Since I intend to max the RAM soon since the local prices have fallen quite a bit lately I need to know what is the max safe 24/7 VTT/QPI for a Gulftown. I read in some places that it's ~1.36V but looks like nobody is absolutely sure. Wouldn't want to fry such an expensive CPU.
 
no more then 1.375vcore
no more then 1.3 VTT
no more then 1.65 dram.

been on gulftown longer then anyone on this forum. 6 months b4 real release to be exact.
and also killed 2 gulftowns figuring out what is safe and not.

values change if your on water because of the lower heat... u can probably ramp vtt up to 1.4 and keep vcore at 1.4.... but ABSOLUTELY NO MORE THEN THOSE unless ur on phase.
 
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