Trying to OC my 2500K to 4.5GHz

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Godamit

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Dec 29, 2012
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I'm new to OC'ing and was hoping I could get some help. Until recently I was on 4.2GHz, and whenever I tried going higher, my system would get a BSOD once I started a stress test, using prime95. My current progress has been achieved by aggregating the results of some research while trying to customise my OC. I've now managed to get to 4.3GHz and it seems to be stable, I'm not sure what I did differently, but it is working well so far. During a stress test, I reached a maximum of around 60 degrees.
As you guys can tell, I'm still not entirely certain of what I'm doing, so I am hoping to get some help to optimise my OC, preferrably reaching 4.5GHz as well.

I have:
Motherboard: MSI Z68A-GD65 (G3)
PSU: Corsair TX-650 ATX
GPU: MSI GTX 680 Twin Frozr (OC Edition)
Cooler: Hyper 212+ with Noctua NF-P12

If there are any other components you'd like me to list, let me know.

The following screenshots are of my OC settings, again, if there is something else you'd like to see, let me know.

http://imgur.com/a/cbRah

Thanks for any help.
 
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Godamit

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Dec 29, 2012
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My cooler is a Hyper 212+ with Noctua NF-P12
As for p95 tests, I've been using In-place Large FFTs, and Blend test.
However, that 4.3 OC was the result of some late night testing, and I didn't fully test it, probably wasn't the best idea to post this topic at that point, since I tested it longer just now and it failed.
So I've gone back to 4.2GHz. I should mention that this OC was achieved using the OC Genie function on my mobo.

The only differences in settings for the 4.2 are as follows:
Adjust CPU Ratio = 42

Vdroop Offset Control = Auto
CPU Core Voltage = 1.35

1-Core Ratio Limit = 37
2-Core Ratio Limit = 36
3-Core Ratio Limit = 35
4-Core Ratio Limit = 34

These are the only settings I've modified for the 4.3 OC in the screenshots. I didn't really want to risk doing much of my own work considering I didn't really know much, and that the automated configuration for 4.2 was stable, and I've been using that setting for quite some months now with no problems.

Just in case it's useful, with the 4.2, according to CPU-Z my Core Voltage is at 1.32 V, and while stress testing it goes down to about 1.256 V.
 
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Godamit

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Dec 29, 2012
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Bump.
What would be the main settings, as seen in the provided screenshots, that I would have to modify in order to properly OC?
And what is a recommended increment for modifying the CPU Core Voltage while trying to stabilise?
 
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henydiah

henydiah

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Mar 23, 2009
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from MSI site : Activating OC Genie functionalities with Intel's unlocked K-Series processors on MSI motherboard significantly enhances overclocking power, raising the default clock speed of 3.3 GHz on Intel's Core i5-2500K processor to a whopping 4.2GHz! If the MSI motherboard is used instead, the performance of the iGPU will increase by 36%! Regardless of the platform chosen, power users will be able to achieve the most outstanding performance at no additional cost.

you can't anything with Oc genie, want higher OC disable OC genie II try learn guide OC via bios ... good luck
 
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4Ryan6

4Ryan6

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Apr 14, 2002
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henydiah is correct you need to manually overclock this THGF guide the Good is it was written using an MSI motherboard, the Bad is, it has not been updated even once since it was written, March 1, 2011, so glean what you can use from it.

Depending on the rest of your BIOS settings a 2500K should run 4.5ghz at 1.290v ~ 1.350v (1.350v worst case batch to take that much voltage and usually the majority can run 4.5ghz at 1.325v), using BIOS manual settings.
 
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