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Is it good overclocking numbers ? (intel i7-2700k) [CLOSED] - Page 3

post #21 of 35
Ya looks good - my i7 2600k is not 100% stable at 4.8Ghz - i think i settled on 4.7Gh @ 1.38v. Surprising cuz at 4.9Ghz my chip is able to boot and fail at around the 3rd IBT round..i would think that 4.8 would be fine
post #22 of 35
Thread Starter 
I am still wondering about putting manually the cpu voltage, versus the offset mode. Any thought on that ?
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post #23 of 35
Good luck smile.gif
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post #24 of 35
Thread Starter 
Quote:
Originally Posted by jerrolds View Post

Ya looks good - my i7 2600k is not 100% stable at 4.8Ghz - i think i settled on 4.7Gh @ 1.38v. Surprising cuz at 4.9Ghz my chip is able to boot and fail at around the 3rd IBT round..i would think that 4.8 would be fine

I am still wondering about putting manually the cpu voltage, versus the offset mode. Any thought on that ? I am using offset cpu voltage mode on my side. Actually the higher offset my board can gives (0.350v). I will try to decrease it and the multi.

i managed to boot at 49x, max offset, it boots but instant bsod (after 10sec in windows). I guess i would need more voltage to get it not-bsod. On that optic, i would have to play with PPL and vdroop... i could pass 5 Ghz for sure... but maybe not on stability wink.gif And this is not my actual goal. I want to find a nice spot between voltage and temp.

Thank for you post in anyway smile.gifthumb.gif

edit : This is dinner time, i will try 47x multi and 0.350 Offset, to see if it boots. If so, i will throw prime95 for the afternoon smile.gif
Edited by Jamar2013 - 4/3/13 at 9:11am
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post #25 of 35
Thread Starter 
Here is my bios setting, on the processor tab.


edit : It is "After", not before.. heh !



Temp after15min Prime95 @ 4.7 GHz, 0.3v CPu Offset



Lol in my software, i can set my Bclk to 300 mhz imo.. do you think it will boot rofl smile.gif ? 14 Ghz hahaha tongue.gif



All in all, i think i am getting better.
4.7 Ghz
Voltage on vCore ; 1.328v on full load
Max core temp ; 66 or 67'C

Better than it was ^^

I can try to down the offset to 0.250 and see if it is stable @ 4.7.... doing some test actually if now it is stable at 0.3v. We will see !
Edited by Jamar2013 - 4/3/13 at 10:51am
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post #26 of 35
I prefer offset as it automatically lowers voltage when not in load. You might sacrifice some top end overclocking potential..but whats another 100mhz.

I believe mines also set to +0.030
post #27 of 35
Thread Starter 
Quote:
Originally Posted by Starbomba View Post

Nice, temps are looking good as well.

The bclk not being 100 MHz may be because spread spectrum is on. Try disabling it.

Thank you for the tip ! Maybe i will try... but i do not really care hehe, i guess that this Spectrum setting is there for something. I will try it out one day just to see biggrin.gifthumb.gif .


Quote:
Originally Posted by Art Vanelay View Post

That is one impressive chip. Mine takes 1.33V to get to 4.5GHz.
Now i am at 4.7 GHZ @ 1.328v , testing the stability as i am typing. smile.gifredface.gifthumb.gif

Quote:
Originally Posted by jerrolds View Post

I prefer offset as it automatically lowers voltage when not in load. You might sacrifice some top end overclocking potential..but whats another 100mhz.

I believe mines also set to +0.030

This is what i was thinking, about the offset vs manual. Thank for your post, and thank for giving your proper settings (on post #21). I appreciate ! thumb.gif
Edited by Jamar2013 - 4/3/13 at 11:18am
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post #28 of 35
Thread Starter 
4.7 Ghz with 0.300 Offset, got 0x101 BSOD. However, i am pretty sure what the problem is. I think it goes with step.

CPU : 4.4Ghz
Needs a 0.250v Offset (Hypothetic)

CPU : 4.5 Ghz
Needs a 0.300v Offset (Hypothetic)

CPU : 4.6 Ghz
Needs a 0.300v Offset (Hypothetic. I am testing it ATM).

CPU : 4.7 Ghz
Needs a 0.350v Offset

CPU : 4.8 Ghz
Needs a 0.350v Offset


So i do not know exactly what Offset works for what frequency, but i know my 0.350v Offset was stable @ 4.8 Ghz, and if i remember, i first tried 4.4 Ghz on the 0.200, getting a 124 bsod, but at 0.250 it were fine...

Right now, i am trying 4.6 Ghz @ with an offset of 0.300. For making it works 4.7 Ghz @ 0.300, i guess i could just play with PLL and vdroop to get the required voltage, instead of downgrading the multiplier... but i know nothing about it heh.
Edited by Jamar2013 - 4/3/13 at 12:42pm
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My 2012-13 build
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MoDisc DVD Rom Phanteks PH-TC14PE CPU Cooler 120mm Corsair Air Series AF140 Quiet Edition (r... 120mm Noiseblocker Multiframe M12-PS (bottom in... 
CoolingOSMonitorMonitor
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post #29 of 35
Use CPU-Z to monitor your cpu voltage - as long as its around 1.4v (or lower preferably) and at a good Temp (75C?) i would bump my offset up until its stable
post #30 of 35
Thread Starter 
Quote:
Originally Posted by jerrolds View Post

Use CPU-Z to monitor your cpu voltage - as long as its around 1.4v (or lower preferably) and at a good Temp (75C?) i would bump my offset up until its stable

I was doing the inverse. tongue.gif

I went from a stable 4.8 Ghz @ 1.384v (dynamic, with + 0.350 offset) (100% full load), and after 10+ hours in Prime95 Blend test, the hottest core hit 76'C once. The average was midend 60s to low 70s. I am still thinking this settings were OK for everyday's usage. I am still trying to find another stable setting, but with less voltage.

So if you were me, the first settings is alright for common usage tongue.gif ? And there is no game that will push my cpu hotter or that hot (than that 76'C on one core). I will have to try real games to know biggrin.gif

edit: i didnt get a bsod yet, testing 4.6 Ghz @ 1.328 (+0.300 offset instead of 0.35).
Edited by Jamar2013 - 4/3/13 at 1:12pm
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MoDisc DVD Rom Phanteks PH-TC14PE CPU Cooler 120mm Corsair Air Series AF140 Quiet Edition (r... 120mm Noiseblocker Multiframe M12-PS (bottom in... 
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My 2012-13 build
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Intel Core i7 2700K Intel Extreme Series Desktop Board DZ68BC  EVGA GTX 670 FTW 4GB Kingston Hyperx Blu 8GB 
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Optical DriveCoolingCoolingCooling
MoDisc DVD Rom Phanteks PH-TC14PE CPU Cooler 120mm Corsair Air Series AF140 Quiet Edition (r... 120mm Noiseblocker Multiframe M12-PS (bottom in... 
CoolingOSMonitorMonitor
120mm Noiseblocker Multiframe M12-PS (top exhau... Microsoft Windows 7 Professional OEM 64-bit French Acer S230HL 23inch monitor Acer X203W 20inch monitor 
KeyboardPowerCaseMouse
Saitek Eclipse II keyboard Cooler Master GX 750 PSU Corsair Carbide 500R Black Case Razer DeathAdder Mouse 
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