It's a complicated subject that does not lend itself to a cookbook approach.
As they say, "google is your friend",
and ...
YMMV. "Your mileage may vary."
And overshocked very recently added this:
Overshocked i7 Overclocking - What does what
http://www.tomshardware.co.uk/forum/256021-11-core-overclocking-what
treefrog, no matter how many times I see that trick, I cannot keep a straight face. It's truly an excellent example of not so thinly veiled digital sarcasm.
I only recently found that link, and I'm not really being sarcastic - I use google to find board manuals, HW specs, etc., to provide competent answers or directions to others; that page suggests another tool to the poster's kit. But, the first time I saw it, I confess to having almost cried from my own laughter.
ryan, remember when I said I didn't miss "the good old days"? That's not completely true. What I miss is that it used to take a certain amount of technical skill to do things.
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Overclocking since 1978 - Z80 (TRS-80) from 1.77 MHz to 2.01 MHz