Quote Originally Posted by saaya View Post
qpi voltage is vtt, it actually has nothning to do with qpi, its powering the uncore of the cpu, the l3 cache and imc... so yes, if you use a lot of mem at high clocks or tight timings you need to push the uncore voltage up so the imc can run stable... ioh is the northrbidge, the x58 chipset, increasing ioh 1.1v results in higher and higher stable bclocks, its not related to memory directly.

so what exactly is your problem? getting mem clocks up?
actually pushing ioh volts does help with mem clocks for linx/prime and super pi 32m stability http://i4memory.com/f80/i7-920-d0-df...ability-16617/ for some