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Complete Overclocking Guide: Sandy Bridge & Ivy Bridge | *ASRock Edition* - Page 263

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 #2621 of 9531
Quote:
Originally Posted by Jpmboy View Post

lilchronic - You have alot of things going on... 2400 Ram @ 1.665v, 50X multiplier with an offset (T+V) load volts of ~ +0.131v. If i recall, your p95 load volts are like 1.41v @50, or at least thats where they will likely wind up. One way to get at this is to go to fixed mode and find what settings you need with a fixed OC at 50x, say ... 1.45 volts and LLC@2 or 3. (maybe you should spend $25 for the intel performance tuning insurance?)

p95 crashes with bsod 124: the internal clocks are controlled by the phase lock loops, and as cygnus suggests running your board like you are, it will take time to work with cpu pll, fixed or offset. Getting my 2700K to 50 required lowering CPU PLL. But, I now hold a 24/7 46GHz OC at 1.302v (cpuz in p95 small fft) - earlier this year at 4.9 and 5.0 i saw some whea errors and windows spike volts that were scary.

Whether or not the system is stable with p95 for 24h, which is a very good test for ivy - watch IBT it actually uses less vcore, but more watts/current to make heat - it is important to see whether the system is throwing errors. Check kernel-whea under the event logs. I have to ask - what will you use this machine for? Bitmining? not likely as the best way to do that is with gpu-compute. Gaming? 5GHZ will not do any better than 4.5GHz since your GPU is the limit for games. Millisecond stock trades? So... again, the need for hours and hours of stability (and testing) is relative to what you are doin

HEY LUCKY - did you switch from vcore offset to turbo OC?
well i really only use it for gaming, but its like having a LT-1 under the hood and just knowing you have that power when u cant even use it on the streets. biggrin.gif
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post #2622 of 9531
Quote:
Originally Posted by zaodrze244 View Post

i did that to my cpu tongue.gif it's very easy and help me drop temp's about -20C

Seriously, 20C cooler for that?
post #2623 of 9531
Quote:
Originally Posted by HuwSharpe View Post

Seriously, 20C cooler for that?

Serious,
check the memberlist in the [Official] Delidded Ivy Bridge Club,
http://www.overclock.net/t/1313179/official-delidded-ivy-bridge-club,
i had over 25+C tempdrop,
and the tempdifference between cores i had before , about 15C,
went down to 4-6C difference too..

before, i couldnt run prime/ibt at 4.5 ghz, hit 105C within seconds,
now i can run IBT at 5.0ghz, and hottest core is 84C biggrin.gif
Edited by VonDutch - 1/14/13 at 3:00am
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post #2624 of 9531
Hey guys!
First: Thank you for this tutorial, especially the voltage settings and limits.

So i recently got rid of my old C2D E6400@3,6GHZ, my Gigabyte P965 board and my DDR2-667 ram and got some new things biggrin.gif
Now i'm on 3570K with a Asrock z77 extreme 4 and 2x4gigs of Crucial Elite 1600 CL8 (1T) ram. Cooler is a Scythe Mine 2 with 2x140mm fans.

Its a big jump and i hoped to push the 3570K a little more. But at the moment im quite displeased with the overclocking. Perhaps i'm missing something?

As 24/7 i'm running at 4GHZ@0.9-1.1V rock stable. My Settings:
Offset mode: -0.200, TurboV: +0,004, PLL: 1.717V, LLC: Level5

For benchmarking i'd like te get it near 4,8 GHZ. But it seems that nothing more than 4,5GHZ is possible.
At 4.5GHZ it reaches 1.35V which is (too) much i think. Settings:
Offset: +0.005, TurboV: +0.004, PLL: 1.717V, LLC: Level 2

At fixed 1.4V it gets to 4.6-4.7GHZ but not stable.

Another problem is that Windows 8 does not show the real BSOD Errors, so i cant really get to the problem.
Does somebody know a way to geht the codes?
I hope you can help me! thumb.gif

btw: Temps never got over 80°C.
Edited by fightforlife - 1/14/13 at 11:26am
post #2625 of 9531
Although I haven't overclocked yet, I'm prepping my rig to be overclocked, and this little anomoly I've run into may come into play later while I am messing with the overclock according to this guide, as I see C1E and Intel Speed Step EIST are enabled in this guide. My build is in my sig. I just put everything together so I'm still all stock settings. I have updated to latest Bios 1.70 (?). I hope I can be as clear and concise as possible, as my question may be a tad confusing.

When I open CPU-z and look at my idle clock, I idle at 1600mhz, which looks about right, and for the most part it sits at 1600mhz if i'm not running anything in the background. Here's the confusing part, when I choose High Performance, i immediately notice my clock jump around the second I even click High Performance coming from Balanced. To be even more specific, if I'm at 1600mhz using Balanced, the second I click High Performance, the clock jumps to any random clock multiplier (2000, 2400, 2600, 3000, etc), and then from there it fluctuates wildly, sometimes downclocks to 1600mhz but never really idles anywhere, it typically jumps around from 2000-3600mhz. I figured okay the settings are problem different considering one profile is more power conscious. Here are some pics:


Balanced, Stock (no OC) Speed, Idle


Balanced advanced settings


High Performance, Stock Speed, Idle (though the clock you see in CPU-z is not actually the constant idle speed, it's wildly fluctuating all the time using High Performance)


I figured okay, the settings are different for processor management, so I went in and changed it to match balanced.

Saved settings, observed CPU-z, and it DID NOT fix it. Speed still fluctuates wildly, doesn't idle at 1600mhz.

This may be a minor issue, but I'm wondering why even though I set every setting in both profiles to match, not just Processor settings, the outcome in CPU-Z still is different. Again I haven't touched anything in the BIOS. I'm trying to sort this all out before I begin overclocking. I haven't changed BIOS settings inbetween switching profiles, so I don't know why this anomoly is happening. I'm pretty sure Speed Step is enabled in BIOS, so the idling under Balanced and High Performance should not differ, as long as I've set both profiles to match minimum Processor settings.
post #2626 of 9531
Quote:
Originally Posted by Jpmboy View Post

HEY LUCKY - did you switch from vcore offset to turbo OC?

No not yet only because i'm not going to gain much. I did some testing and i would probably be stable around a +0.005 w/ a +0.016-+0.020 turbo but my idle vcore would only decrease to 0.995+ compared to a 1.000v-1.008v w/ the +0.015.

Even a -0.025 offset only got me down to a 0.960 idle vcore which was not enough to make any difference in temps so ill probably just end up leaving it at the +0.015 for now. If I clock it higher then i will definitely be switching to a offset + turbo since ill have to run P95 all over again.
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post #2627 of 9531
I just got my Extreme6 up and running. Beats the pants off my glitchy P8Z77-V PRO so far. It's a shame how a $200 ASUS motherboard can suck so bad. They only care about their ROG line, the rest of them (on the Z77 line at least) seem to be junk.

Anyway, I'm 10 hours in on my 4.8GHz testing. Going for gold baby!~!!!
post #2628 of 9531
Hello.
Couple days ago, I bought my new rig:
asrock z77 pro3 + i5 2550k
On stock @ 3,4 everything runs fine, I have set offset to -0,150V and it runs at 0,944/1,184 (idle/load)

Yesterday i decided to oc it.
Sadly I can't.
I have set everything as is in this guide, multiplier set to 42
The problem is, when I do a stability test on LinX the speed is throttled down to 3.4Ghz for a few seconds, and then jumps back to 4.2Ghz. As the test goes on, the throttling rises more and more, to the point where it is throttled to 3.4 for 10-20seconds before jumping back to 4.2.
I've tryied almost everything: enabled/disabled: c-states, pll, eist, limits maxed, offset on +, my temperature on CPU is 65 degrees max when voltage is 1,3V (cooler Noctua NH U12P with backplate for s1155), I put a 80mm fan directly on power phase radiator on motherboard - nothing help frown.gif
With HW Monitor I discovered that throttling starts when the Powers-Package goes above 107 Watts
I've read that I'm not the only one with this kind of problem but seems like there's no solution frown.gif
Even load optimized oc to 4,2 GHz throttle... Support ticket to asrock send.
Any suggestion?
post #2629 of 9531
Is it normal for the vcore to dynamically rise even though your vcore settings stay the same? I am trying to overclock to 4.5GHz, and if my setting are at +0.004v for turbo and +0.005v for vcore my vcore reported by cpuz is 1.33 (LLC is at 3). If I drop down the multiplier to 40, my vcore drops without changing my settings.
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post #2630 of 9531
Quote:
Originally Posted by PrototypeT800 View Post

Is it normal for the vcore to dynamically rise even though your vcore settings stay the same? I am trying to overclock to 4.5GHz, and if my setting are at +0.004v for turbo and +0.005v for vcore my vcore reported by cpuz is 1.33 (LLC is at 3). If I drop down the multiplier to 40, my vcore drops without changing my settings.

I believe since you use offset the motherboard adjusts the VID according to frequency of the chip. So if you are running 4.5GHz it might use a higher VID than it would with 4.0GHz. Offset mode just adds or subtracts from your stock VID but from my understanding stock VID is a dynamic number based on frequency and depends on the motherboard.
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