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Complete Overclocking Guide: Sandy Bridge & Ivy Bridge | *ASRock Edition* - Page 716

Poll Results: Was this guide helpful?

Poll expired: Oct 17, 2012  
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post #7151 of 9531
Quote:
Originally Posted by Deaks2 View Post

Quote:
Originally Posted by Deaks2 View Post

Good idea, I'll try that.
So in the end what was stable for almost a year at 4.4 Ghz with 1.28 vCore, now requires 1.32 vCore. Either my CPU has started to degrade (electron migration) or the voltage regulating circuitry on the mainboard is failing.

Strange...

Confirmed the new settings with a 3 day Prime95 run. Previous settings were confirmed a year ago with a 24 hour Prime95 run.

That is not a small change in voltage. Have you changed anything else? Possible cheap PSU taking a crap on you?
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post #7152 of 9531
Quote:
Originally Posted by Lucky 23 View Post

You need to switch to a negative offset to decrease you vcore. Basically you need a -0.050 offset for your voltage to be at 1.210.

Thanks for that, i will try. But it seems funny to me to set offset voltage to negative when i am trying to do OC:D
Quote:
Originally Posted by tw33k View Post

Find your lowest vcore on manual setting first then work out your offset. Also, your LLC setting is too high. vdroop is a good thing so you're better off with Level 3-4.

What did you mean about LLC setting is too high? about 5 or the voltages are too high smile.gif) Because 5 one is the most dropper setting, isn't true?

And i should use fixed voltage in the begining you said? Is it true also?
post #7153 of 9531
Quote:
Originally Posted by cianni View Post

Quote:
Originally Posted by Lucky 23 View Post

You need to switch to a negative offset to decrease you vcore. Basically you need a -0.050 offset for your voltage to be at 1.210.

Thanks for that, i will try. But it seems funny to me to set offset voltage to negative when i am trying to do OC:D
Quote:
Originally Posted by tw33k View Post

Find your lowest vcore on manual setting first then work out your offset. Also, your LLC setting is too high. vdroop is a good thing so you're better off with Level 3-4.

What did you mean about LLC setting is too high? about 5 or the voltages are too high smile.gif) Because 5 one is the most dropper setting, isn't true?

And i should use fixed voltage in the begining you said? Is it true also?

Negative offset is ok...all it means is that your chip is better than what intel binned it as, because it requires less voltage than they set (VID) for the 16-34 multipliers. The only thing to be weary of is that negative offset can make your idle unstable if set to low, and it is kind of hard to test for idle stability. Avoid negative offset if you are using your PC for business or school, unless you really know well exactly what you are doing. But it is fine to do on a gaming machine, as a BSOD will not be the end of a career or a lost 30 page paper.
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post #7154 of 9531
Quote:
Originally Posted by cianni View Post

Thanks for that, i will try. But it seems funny to me to set offset voltage to negative when i am trying to do OC:D

Its the only option you have to decrease your vcore biggrin.gif
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post #7155 of 9531
Quote:
Originally Posted by inedenimadam View Post

add more VCore...usually around .040 per step in multiplier, but it grows the higher you get.

That seems to have worked. Thanks. looks like 4.6 is all im gonna get out of this processor.
post #7156 of 9531
Quote:
Originally Posted by inedenimadam View Post

That is not a small change in voltage. Have you changed anything else? Possible cheap PSU taking a crap on you?
PSU is an OCZ 800w unit that I have had for several years. It may be the culprit...
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post #7157 of 9531
Hello Everyone

I've got a short question.
Is there any "safe" overclocking level for daily use?
Currently I am on asrock Z68 extreme 3 gen 3 and I5 2500k (4.8 Ghz, Vcore 1.41 and max temp 65 degrees)
Should I decrease it to 4.5 ghz ? or keep it on that lvl.

Regards
post #7158 of 9531
Quote:
Originally Posted by Zerahat View Post

Hello Everyone

I've got a short question.
Is there any "safe" overclocking level for daily use?
Currently I am on asrock Z68 extreme 3 gen 3 and I5 2500k (4.8 Ghz, Vcore 1.41 and max temp 65 degrees)
Should I decrease it to 4.5 ghz ? or keep it on that lvl.

Regards

Safe is below 1.35 and less than 70C. You are in the right ballpark for temps, but you might have to drop back to 4.5-4.6 to keep the voltage down.

Edit: these numbers are conservative and my opinion, ask 10 people here and you are likely to get 10 different answers.
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post #7159 of 9531
Below are my BIOS settings at 4.5!!!
The temps stay within 74-76 range, but after 4 hours of prime one of the cores gets an error.
any suggestions on what to do?
should I just leave it as is?






TEMPS AND VOLTAGES WHILE RUNNING PRIME

post #7160 of 9531
Quote:
Originally Posted by theilya View Post

Below are my BIOS settings at 4.5!!!
The temps stay within 74-76 range, but after 4 hours of prime one of the cores gets an error.
any suggestions on what to do?
should I just leave it as is?
Warning: Spoiler! (Click to show)





TEMPS AND VOLTAGES WHILE RUNNING PRIME


You are using an outdated version of P95 that does not include the latest instruction sets. Two minutes is not long enough to heat up, even under P95. Otherwise, the temps and voltage look good, but there is not much temperature room with the two problems I am hinting at with your screenshot. Your temperatures are likely to get into the mid-high 80's maybe scratching 90 with and updated prime95 and a longer test. at two minutes you are only running one moderately hot test, as it is a fairly large fft, the next test is the 8kk and that one is a heater.
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