Resume from Sleep drops Overclock


I am having some issues with Windows and resuming from sleep.
I have an overclock of 4.2 GHz and everything works great, but after I resume windows from sleep, the clock drops to normal Turbo Boost Ratios ranging from 3.4 to 3.8. Naturally after a restart the clock goes back to 4.2 as if nothing ever happened. Any ideas as to what this might be? Thanks for any input.

Note: I have tried Disabling various power functions in the BIOS such as EIST, C1E, etc.


Gigabye Z77X-UD5H
i7-2600K @ 4.2GHz
G.SKILL Ripjaws DDR3 2133 16GB
Sapphire 6950 2gb Dirt 3 Edition
Creative X-Fi Titanium
Crucial m4 128GB Rev.000F
600 GB Velociraptor
3 x Other Storage HDDs
Thermaltake Toughpower 850W
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More about resume sleep drops overclock
  1. Does not sound like a Windows 7 problem.

    More likely a BIOS or motherboard issue.
  2. How did you setup the overclock, the BIOS or via software?
  3. Set up through the BIOS
  4. Have you asked the question over in the Overclocking or Motherboard sections of the forum?
  5. Not yet, Ill go ahead and do that
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Configuration Overclocking Windows 7