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Complete Overclocking Guide: Sandy Bridge & Ivy Bridge | *ASRock Edition* - Page 227

Poll Results: Was this guide helpful?

Poll expired: Oct 17, 2012  
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    Yes (and I DO have an ASRock motherboard).
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post #2261 of 9460
Hi all!
I'm using Intel i5 3570k at stock clock. If i want to get to 4.2ghz effortlessly can i use the Load Optimized CPU OC Setting? Or that is totally not worth also if it's a low overclock like i want?
post #2262 of 9460
I haven't had any experience with Ivy Bridge, but that should be more than attainable. However, I'd follow the guide in the OP. The auto oc tools are sloppy at best. It will up voltage more than needed to "guarantee" stability. I don't see any reason why 4.2 wouldn't be within reach at or near stock voltages.

Very basically, adjust your all core multiplier to 4.2, put turbo to +0.004, set your cpu voltage to offset, leave it at +0.005. There's also several settings you'll want to disable. I can't think of them off the top of my head though. And hey, don't do ALL the work for ya! wink.gif

edit: One more thing, make sure your cpu LLC isn't set to 1. Use 2 or 3 for best results. And make sure to test with P95 as stated in the OP or also check out the sandy stable club to guarantee extreme stability. They've posted different ways to test with P95 and also recommend 12 to 15 hours to prove rock solid stable overclocks.
Edited by spidey81 - 12/26/12 at 9:02am
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post #2263 of 9460
Quote:
Originally Posted by sonnhy View Post

Hi all!
I'm using Intel i5 3570k at stock clock. If i want to get to 4.2ghz effortlessly can i use the Load Optimized CPU OC Setting? Or that is totally not worth also if it's a low overclock like i want?

That should be fine. I was able to hit 4.4GHz with all voltages on auto easily.
post #2264 of 9460
It is not really "fine", the auto OC settings set the Load Line Calibration at Level 1 which creates a much higher voltage than needed to attain 4.2ghz. You can hit 4.2ghz on most 3570Ks on stock voltages and the VDroop is no where near as bad to need Level 1 settings. I run Level 4 and my 4.2ghz OC is completely stable after 15 passes of Intel Burn Test at Max Stress.

At the least, load up the auto settings for 4.2 ghz and then go change the Load Line Calibration down to at least Level 3. My temperatures dropped by almost 10C after going from running the auto 4.2ghz OC to doing it manually with the information in this guide.
post #2265 of 9460
Where can I found LLC Levels with multimeter on the latest bios for ASRock z77 extreme4?
post #2266 of 9460
I just now started to overclock the same i5 3570k and have gone an hour error-less with the OP settings at 4.4ghz without changing the stock voltages. Temperatures peaked around 62C. Considering I'm only running a 620w psu and a hefty OC gtx 670, I think 4.4 is amazing without adding power drain. Will probably stop at this speed and call it a success. Great guide and discussion here.
post #2267 of 9460
Anyone care to comment on what sort of voltage people expect a 2500k at 5200MHz to be?
post #2268 of 9460
Quote:
Originally Posted by HuwSharpe View Post

Anyone care to comment on what sort of voltage people expect a 2500k at 5200MHz to be?

Are you going to inform us?
post #2269 of 9460
If the CPU-Z val in his sig is any suggestion I'd say he managed 5.2 with a mere 1.35...if I had to guess anyway! biggrin.gif
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Spidey81
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post #2270 of 9460
Quote:
Originally Posted by tootercomputer View Post

Are you going to inform us?
It was a question.

Quote:
Originally Posted by spidey81 View Post

If the CPU-Z val in his sig is any suggestion I'd say he managed 5.2 with a mere 1.35...if I had to guess anyway! biggrin.gif
CPU-Z can never be trusted for reading voltages, the CPU passes 24hr stress tests at 1.44v when at 4800MHz, 1.52v when at 5100MHz, but i have yet to get it stable at 5200Mhz, i suspect 1.58v+ will be needed. Every chip different of course, but was just wondering if anyone had any ideas.
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