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***Official Ivybridge Overclock Thread***

Id say your voltage is really good. You can try taking it down until you go unstable then you would know the lowest voltage you could have with that clock. Also check for vdroops as well.
 
Will my TRUE rev.C be a good air cooler for these chips? It's never really had a good workout since I bought it.
 
So I got 4.3 at stock voltages like a lot of people here, max core was 68 rest around 63 - 65.

Also managed to get 4.7 running at about 1.295 no idea if it was stable though (this was with LLC basically on max so next to no droop if im right?). If it was standard LLC the voltage would drop to like 1.26 at load or something and I'd BSOD.
In addition at 4.7 I had the voltage at 1.34 and standard LLC/droop would be fine (@1.33 with the droop I'd have my core 2 fail, the dam thing also runs the hottest. Got to hate core 2).
Never ran this for more than 10 minutes as temps were at 94c with small FTT running...

Anyhow, had a massive temp spike after 1.345, the temps just kept climbing. Saw it hit 99c and stopped before it got worse (this was after like 1 minute prime small FTT as well). Exact same batch as whoever else it was who reported this so....

Anyhow currently @4.6Ghz with HT on etc at 1.235.. Highest temp after 25 mins was 85c on one core. 80 - 85 - 84 - 79. Seemed fine with no hickups (odd thing though is that it hit 85 in the first few seconds then all the cores seemed to max out about 2c cooler after so, 80 - 83 etc). Haven't tried a lower voltage so far for 4.6, just whacked in a number that I thought was reasonable and it took it.

My temps seem to be a good 10 - 15c higher than most other peoples on similar cooling though (using megahalems with ap-15 push/pull), which is annoying but I think it could have been a bad mount as it was being a pain in the ass to put together. I knew it wasnt as good as it could be when I got it on but I was just glad to have it on..

TLDR temps are steady increase until 1.345 were after they climb the wall and I think I have a dodgey cooler mount or a hot chip.

Edit: Malay L212B228 btw.
 
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I do not see the problem with temps in the low 80's for small TFT at around 4700MHZ.Yes its high at that moment but as long as it is stable and stays under 85c I would be actually happy! Thermal limit for throttling is 105c.

I have a E6300 C2D that idles at 59c! Yet it is so stable and rock solid it has not crashed or had a hiccup in roughly 5 years and i am stiller hammering it with 60c idle temps as i speak. :cool:

TFT is for knowing its stable check out your temps running something like the Shogun 2 benchmark,3Dmark or GTA IV run throughs on loops? I bet it will be a lot lower maybe even cool yet you still have high clocks for more FPS.

Cannot wait until i get mine next week!
 
Cannot currently work out how to overclock manually in my bios - options are there, cannot adjust them it seems.

Tried an auto overclock and it took me to 4.6ghz @ 1.328v. Giving Prime small FFT max temps of: 74 75 75 75 with cooling set to medium.

Seems OK, if I could manually overclock I am sure I could reduce volts...

Will have another look but manual has been zero help. I can view all of the settings, but cannot adjust them.
 
Have had a look. Can now change CPU voltage and multiplier, but cannot change RAM voltage or timings. Really odd.

Typing on 4.6ghz @ 1.296v. Not done any testing for stability yet, but it got me this far...
 
take a picture of your BIOS (for this you will just press f12 and it will save either to your HDD or a memory stick) with the RAM Voltage + timings so I can see?
 
Will do at some point, still doing a little initial testing to see if this clock is stable.

Temps only just reaching 71 max now at this reduced voltage.

It is quite late so I will not be testing for long, just wanted to see what was possible really.
 
Ok. Im sitting stable at stock volts 4.3Ghz. But my load temps are well high due to my heatsinks being badly seated. Well I say stock voltage my voltage has a bit of a mind of it's own.
 
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I managed 4.3 on stock, but unstable at 4.4. Running prime 95 on small FFTs for 15 mins now with no issues.

I had a Q6600 @ 3.5 with 1.44v before so 4.6 with 1.296v seems pretty decent to me. Not sure why everyone is moaning about Ivy being a bad clocker really.
 
It's more the heat tbh. Im at 1.22V at 4.3Ghz (I haven't actually changed my voltage it seems to literally change itself and Im unsure as to why..) I get like low 70s temp wise cause of my badly mounted K2 :/ got to get some thermal past and something to remove the old thermal paste with.
 
20 mins Prime and I am now having max temps of: 71 72 72 73.

Similar to my Q6600 which was in a proper water loop.

Also, the Q6600 had a much lower max temp IIRC.

Either way, my CPU is now 1.1ghz quicker than my old one and has better clock-for-clock performance.
 
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