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[Official] Ivy Bridge Owners Thread - Page 87

Poll Results: Which Ivy Bridge CPU did you buy?

This is a multiple choice poll
  • 50% of voters (692)
    i5 3570k
  • 43% of voters (586)
    i7 3770k
  • 6% of voters (91)
    Other
1362 Total Votes  
post #861 of 7362
Quote:
Originally Posted by DaClownie View Post

Vdroop... you need to change your Load Line Calibration settings. The higher you set your LLC, the less Vdroop, and potentially the lower the volts you need. With extreme LLC you can probably eliminate an offset entirely. tongue.gif

Well, my LLC is set to Extreme now, no matter my offset +0.005 or +0.015 the vcore stay the same tongue.gif Using prime95 27.7 and cant seem to get past the 1hour mark on default offset :/

Oh and to make things clearer, my idle vcore is 1.184... redface.gif Following instructions and testing was easy but the last touch is rather hard to get thumb.gif
post #862 of 7362
Here is mine. Cooler is VenomusX wit 1200rpm..

46.jpg

Prime 95starts to heat up cpu for real after 15mins. Before that temp are under 80. 4.5 is nice, only 1.15v and round 75 to77c.. Good thing with these CPU is that they are stable enough with much lower volts than prime95 volts. I can run 4.6 with less than 1.2v in every bench..
H100 died few days agoo and i will have new one in day or two. It is round 10c better than Venomus..
post #863 of 7362
Quote:
Originally Posted by DaClownie View Post

Ok... but I'm still not seeing the point. If everything I run is stable, why run an ADDITIONAL stability test to make sure stuff I don't run is stable?
Biggest thing I see in the change log is that it fixed a bug where some of the AVX FFTs were missing. What software is out and available that uses AVX right now?
EDIT: And to humor, I'll run 27.7. So far? it's running colder on the AVX FFTs. tongue.gif

Your overall CPU temp means nothing in terms of how hard it is to pass that stability test. I can pass 50 passes of IBT on maximum, which gets my processor up to 88C. Yet, I was failing 558k FFTs which only heats my processor up to 72C after a couple minutes. If you want 100% stability, then you need to test every scenario. If Prime95 27.4 passed 12 hours, and the new 27.7 fails, then chances are you are not stable because of the new, and more thorough, method that 27.7 is using.

Does this mean you will experience stability issues if you don't adjust your overclock? No you probably won't, because both programs stress your computer more than your average program/game. However, the logic of "if you pass 12 hours of Prime95 means you won't have issues in games" is plain wrong. Your CPU can pass 50 hours of Prime95, and then still crash instantly in another program because of the way it is using the processor. Even if it isn't using your CPU to 100%. IMO, It is best to always prepare your overclock for worse case scenario.

In short, if your fine with 99% stability, then go right ahead. However, don't assume that others want 99% stability and then tell them their logic is flawed because they want 100% stability.

Prime95 27.4 at 4.6GHz (12 hours stable):
1.23v CPU
1.5v PLL

Prime95 27.7 at 4.6GHz (failed after 4 hours):
1.24v CPU
1.5v PLL

I am now testing 1.25v and 1.55v PLL since I heard some people not getting 1.5v stable, and 1.55v doesn't seem to increase my temps.
Edited by Murlocke - 5/8/12 at 5:25pm
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post #864 of 7362
Quote:
Originally Posted by Murlocke View Post

I am now testing 1.25v and 1.55v PLL since I heard some people not getting 1.5v stable, and 1.55v doesn't seem to increase my temps.

I'd try 1.4v PLL for 4.6ghz. That's what I had to use to get my 2600k 4.6ghz profile stable. I have a firm belief that the higher the clock, the lower the PLL needs to be until you hit 4.7ghz, which you then need PLL overvoltage and you rinse and repeat, so to speak. I can't confirm this though, I only have experience with one 2600k.
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post #865 of 7362
Quote:
Originally Posted by Iketh View Post

I'd try 1.4v PLL for 4.6ghz. That's what I had to use to get my 2600k 4.6ghz profile stable. I have a firm belief that the higher the clock, the lower the PLL needs to be until you hit 4.7ghz, which you then need PLL overvoltage and you rinse and repeat, so to speak. I can't confirm this though, I only have experience with one 2600k.

I just passed the point where I had a core error out last time, so hopefully I won't need to do any more adjustments. thumb.gif
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post #866 of 7362
Seems like a lot of volts up her skirt to get to 4.6, BSOD at 4.7 all the way to 1.32.v. Are my temps too high?
203
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post #867 of 7362
Quote:
Originally Posted by Jpope View Post

Seems like a lot of volts up her skirt to get to 4.6, BSOD at 4.7 all the way to 1.32.v. Are my temps too high?
203

Nah, you're good. As long you keep it under 90C.
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post #868 of 7362
So what's the deal with P95 277? What makes it better? Because it seems to be failing a lot more...
post #869 of 7362
Quote:
Originally Posted by SightUp View Post

So what's the deal with P95 277? What makes it better? Because it seems to be failing a lot more...

I believe it adds support for the AVX instruction set, putting a lot more stress on the processors because they can do way more calculations per second with it.
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post #870 of 7362
bgineng: What are your load temps at that voltage?
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3570k
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3570k @ 4.6GHz P67 Sabertooth Asus DirectCU ii OC GTX780 Sparkle GTX460 2 GB 
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8 GB Corsair vengeance Low Voltage @ 1866 Samsung 830 64gb Samsung 840 Pro 128gb a few terebytes of HDDs 
Optical DriveCoolingOSMonitor
Samsung burner H100 Win 10 Asus 24 in 
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MAG 17 in CM Storm Quickfire TK XFX 750 black Edition INWIN Ironclad  
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