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***Official Ivybridge Overclock Thread***

Edit :

Turns out after changing my 5850 for a gtx 460 its fine. Just ran kombuster and got artifacts galore followed by atimk2fsdfsdfds.dll error!

I'm going itx, gtx 670 and 3570k!

Wish me luck with the heat ;)
 
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Saying that Long should stress the IMC so maybe bumping VIO is the way to go. My overclock is stubbornly failing at the same point now, so it could be something else altogether.
 
I'm an idiot, my RAM voltage seems to have been too high, set it to 1.3V and all is well now in Prime95.

Edit: Good to see Prime alternates between Large and Small every 15-20mins now rather than every 2-3 hours or what ever it used to be.
 
Got my 3770K running at 4.4GHz at stock voltage with a simple multiplier change, stable under Prime 95 small FFT with max temp around 60 degrees.

Then tried the Auto overclock button on the MoBo (Asus P8Z77-v) and it's come up with 4.851GHz @ 1.39v :eek:

Did a 10x run through of IBT with the max temp of 82 degrees on core #2. Average load temps while transcoding, gaming, etc. max out at mid 60s.
 
mr_yogi said:
Got my 3770K running at 4.4GHz at stock voltage with a simple multiplier change, stable under Prime 95 small FFT with max temp around 60 degrees.

Then tried the Auto overclock button on the MoBo (Asus P8Z77-v) and it's come up with 4.851GHz @ 1.39v :eek:

Did a 10x run through of IBT with the max temp of 82 degrees on core #2. Average load temps while transcoding, gaming, etc. max out at mid 60s.
Click to expand...

So lucky. You might be able to fibe tune that 4.8 to lower voltage. Auto usually overkills on voltage tbh.
 
What are people using to judge voltages, because I've got mine set at a fixed Vcore of 1.175 in bios, but coretemp says something like 1.266 :/ and CPU-Z says 1.176 (very close) but under load that drops to 1.14 to 1.152. Should there be that much Vdrop?

That's for 4GHz got the rest set to a fixed voltage of what the motherboard recommends rather than leaving it on auto. Passes 10minutes worth of intel burn test with temps just hitting 64oc. But when I had Vcore set to offset and had it at -0.010 it said that Vcore was like 1.2 in CPU-Z
 
I've got a little problem with my PC and i can't decide if it's the overclock that's causing it. Basically every so often when I turn my pc on and then log in it freezes when the screen goes black from login to desktop. It sometimes also makes the audio freeze in place. I've got the voltage on an offset. Could it be dropping the volts for some reason on login and making it crash. I've been running this overclock for a good few weeks with no freezes or whea errors.
 
Ok, so having first play with 3770K, which installed yesterday.

Not familiar with chip so just stuck it 4.5 and used + offset of 0.01V, and LLC at medium.

When booted I noticed that voltage was 1.1V, so I figured I was in for instant BSOD under load. So first tried 10 ibt standard runs, and it passed.

And now on run 5 of 10 very high and it's still going....

I imagine I will still likely have to up the volts a bit, but I am really surprised that it's handling 4.5 at 1.1V.

Is the latest CPU-Z accurate for measuring volts?
 
10 ibt very high on 1.2V at 4.8GHz...

Temps are awful though. Hottest core hit 93C, though coolest was only 80C.

Must remount phanteks.

Hope I can hit 5GHz.
 
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