I don't have Vcore option in Bios, but that's not a problem up to 3,25Ghz, and even then I think my problem is the VTT.
I have two perfectly identical CPUs, both run at 1,16V Vcore loaded and 1,08V VTT...
The only 2 things running hot are the MCH and FBDimm, got to improve cooling soon.