Gigabyte EP45-UD3P - out of the box and almost auto setting -> boot @ 620FSB easy.

[Slovnaft]

YA DOOD gigabyte auto settings are notorious for pumping volts! I had the same thing back with me X48T-DQ6, first few minutes on a 45nm quad i was wondering why i was idling at 50*C then I saw the board was pushing 1.55 vcore...

EDIT: I've noticed a very high frequency sound that seems to start when i start any kind of stability test. It's almost inaudible and very quiet and i'm not sure whether i'm going crazy, whether it's some fan barely grazing something, or whether it might be a bad vreg. wondering if anyone else heard something like this.
I'm totally stable on reasonably low volts (1.275 vcore, 1.3 pll, 1.5vttt, 1.3vnb). i just don't wanna blow a fet...