My CPU is i7-4790K with FSB 100Mhz i think cause it max x40 when I set in Bios. And I don't know how to determine the correct CPU voltage, I just know the voltage runs between +- 1V. For example, if I underclock the multiplier to x30 (3000mhz) or I overclock to x50 (5000mhz), what is the correct...