My asus p9x79 pro with an i7-4820K boots at 3.7GHz. It auto o/c to an unstable 4.5GHz. Help!

Solution
Have you tried disabling the Intel turbo-boost in the BIOS? I'd suggest resetting the BIOS to default values and then disabling the turbo boost feature.

A2S-Dave

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Aug 12, 2014
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Thanks, darkbreeze. I think I have finally disabled that successfully. I think I identified an issue with the Samsung 840EVO boot drive from comments in another thread. There was a firmware update that may help with stability issues, as well. BTW, the OS is Win8.1