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-   -   Help with 3570K OC (http://www.hardwarecanucks.com/forum/overclocking-tweaking-benchmarking/55318-help-3570k-oc.html)

uberness July 7, 2012 09:45 AM

Help with 3570K OC
I have a i5-3570K with MSI Z77A-G45 motherboard. I am having trouble finding a stable OC past 4.2GHz at 1.2V core. I can push it to 4.4GHz at 1.2V and run prime95 or IntelBurnTest for 8 hours straight without problem. But once or twice in a week I'll just be browsing or just moving my mouse around and the system will freeze.

I can in increase voltage to 1.3V and still have the same problem. All stress testing passes but occasionally the PC will freeze when it's just idling. 4.2GHz at 1.2V is the only setting that is truly stable.

Is it just my chip's limitation or is there something I can try to achieve better OC? I just find it strange that I can pass all stress testing programs but not the "casual use for a few days" test...

rommelrommel July 7, 2012 06:36 PM

Have you tried to rule other things out, memory, etc? Are you running offset, turbo, anything like that? 4.2 seems to generally be pretty easily achievable but there are no guarantees of course. What are your temps like? Have a good power supply? More info please.

uberness July 7, 2012 08:05 PM

My temps are 30 idle and 65-75 running prime95. I turn off all power management features. I use Mushkin Blackline 8gb 1.5v. RAM is not overclocked. My PSU is Corsair HX620 from my old system. Maybe the PSU is the problem since it's 4+ years old and runs 24/7?

Coincidentally 4.2GHz at 1.2v is what MSI OC Genie sets if I use it to automatically overclock my CPU. I thought these automatic OC programs are usually very conservative and I should be able to achieve better results.

GT7R July 8, 2012 04:45 AM

Sounds to me as if it's a memory problem. Just boot-run memtest for any case.

On2wheels October 6, 2016 09:21 AM

I have this CPU.
As a newbie to overclocking I read this and the other 2570k thread and was overwhelmed with the PLLs and undervolting, but the one-click o/c idea sounds perfect. I want to play it safe for now and get a tiny bit more out of it, it's on this motherboard ASRock > Z77 Pro3 with this cooler https://www.quietpc.com/mugen2 idle temps are just above room temp.

Is it as simple as getting the ASrock Xtreme tuning utility and trial and error?

I don't know a thing about using the bios to o/c, a friend says all I need to do is the multiplier and not to touch the voltages. I really don't want to push things, stability is my main goal.
Do you need to see an image of the bios to suggest a next step?
The noob in me thanks you!

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