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[Official] The Ivy Bridge Stable / Suicide Club **Guides, Voltages, Temps & BIOS Templates** Inc SPREADSHEET - Page 20

post #191 of 3792
Quote:
Originally Posted by leoxtxt View Post

My 3570k is doing 4.2Ghz with 1.2v (66-67-65-68 after 3 hours with Prime95 27.7 --- Kuhler 920 /w 2xGT 1100RPM), do i have any room left to increase the OC ?
I tried 4.4Ghz with 1.23v, it was stable for almost 2 hours with Prime but the temps jumped to 72-73c.

Hmm... My result is different than yours.

At 4.4 GHz, I have 1.176 V at Prime95 26.6 and 1.2 V at Prime95 27.7.

Cooling is Venomous X with temps below 70 C (around 67 C).
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post #192 of 3792
Quote:
Originally Posted by trumpet-205 View Post

Hmm... My result is different than yours.
At 4.4 GHz, I have 1.176 V at Prime95 26.6 and 1.2 V at Prime95 27.7.
Cooling is Venomous X with temps below 70 C (around 67 C).

I tried 4.2Ghz with 1.17v @ Prime 26.6, stable for 1 hour but it crashed after 20 mins on Prime 27.7 (I was told to use this version because of the AVX)

My ambient temp is a bit high atm, around 26c.
post #193 of 3792
Quote:
Originally Posted by leoxtxt View Post

I tried 4.2Ghz with 1.17v @ Prime 26.6, stable for 1 hour but it crashed after 20 mins on Prime 27.7 (I was told to use this version because of the AVX)
My ambient temp is a bit high atm, around 26c.

Fixed or offset?

You can try to mess with LLC.
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post #194 of 3792
Quote:
Originally Posted by trumpet-205 View Post

Fixed or offset?
You can try to mess with LLC.

I believe its fixed. i dont remember touching anything related to offsets or dynamic vcore (Not used to UEFI BIOS frown.gif, i came from a X58 board).
However i'm using Turbo LLC, it helped a lot.

I might also search for a couple of 1850RPM GTs or anything similar, i only got the 1100RPM versions, they are holding very well for now.
post #195 of 3792
So the stable 266 is stable for me. It passes 24 hours of P95. But the new 277 fails for me. Why?
post #196 of 3792
27.4 and 27.7 use AVX instruction set. It means more computing with the same clocks--more stressful (I think too stressful).
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post #197 of 3792
BSOD codes for Sandy, probably the same for Ivy:


0x124 = add/remove vcore or QPI/VTT voltage (usually Vcore, once it was QPI/VTT)
0x101 = add more vcore
0x50 = RAM timings/Frequency add DDR3 voltage or add QPI/VTT
0x1E = add more vcore
0x3B = add more vcore
0xD1 = add QPI/VTT voltage
“0x9C = QPI/VTT most likely, but increasing vcore has helped in some instances”
0X109 = add DDR3 voltage
0x0A = add QPI/VTT voltage


from http://www.overclock.net/a/common-bsod-error-code-list-for-overclocking
Edited by MaFi0s0 - 5/9/12 at 3:09am
post #198 of 3792
Quote:
Originally Posted by MaFi0s0 View Post

BSOD codes for Sandy, probably the same for Ivy:
0x124 = add/remove vcore or QPI/VTT voltage (usually Vcore, once it was QPI/VTT)
0x101 = add more vcore
0x50 = RAM timings/Frequency add DDR3 voltage or add QPI/VTT
0x1E = add more vcore
0x3B = add more vcore
0xD1 = add QPI/VTT voltage
“0x9C = QPI/VTT most likely, but increasing vcore has helped in some instances”
0X109 = add DDR3 voltage
0x0A = add QPI/VTT voltage
from http://www.overclock.net/a/common-bsod-error-code-list-for-overclocking

Some are the same some are not. I will have to post what I found was different when I get home.
I got one of the QPI/VTT when lowering my pll voltage.
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post #199 of 3792
.
Edited by MaFi0s0 - 5/9/12 at 6:53am
post #200 of 3792
Quote:
Originally Posted by SightUp View Post

So the stable 266 is stable for me. It passes 24 hours of P95. But the new 277 fails for me. Why?

when cpu consumes more power, vdroop increases which lowers the voltage to cpu, and if voltage too low then instability. If you use a multimeter, you can watch this happen all the time. But sensor that cpuz reads goes in steps of .012V so until you drop down to next step, you dont see it in cpuz all the time, but sometimes. Which is why too much vdroop is annoying.

Thanks to GB boards handy access points, I could watch it on mine.

On mine at 4.7ghz, bios 1.33v, LLC on turbo:

Running prime 266, power draw is 82W, vdroop is to 1.310v running small ffts (cpuz shows 1.308 and given the sensor cpuz reads only goes in steps of .012, ie 1.296 then 1.308 then 1.320, it is as accurate as can be).

Running prime 277, power draw is 93W, vdroop is to 1.304v running small ffts (cpuz still reads 1.308 and again would have to decrease to over midway between 1.296 and 1.308 before I would see via sensor). Though some may see on theirs, again just depends on whether that drop gets you down to next .012 step or not. And prime crashed after few hours.

I am stable as long as vcore via vdroop is not below 1.31 on that bios setting.... I ran 12+ hrs ok using prime 266. If I never encountered a load that caused as much vdroop as prime 277, I should be ok, otherwise not.

Bumping my vcore up to 1.335, I then ran prime 277, vdroop on small ffts now was 1.309-1.31, and 12 hrs no problem.

Some people though will be stable on same setting for both, given there particular LLC setting and function, others may have to increase more than one notch in bios. But was just interesting to see how mine worked with multimeter.
Edited by opt33 - 5/9/12 at 6:55am
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