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Complete Overclocking Guide: Sandy Bridge & Ivy Bridge | *ASRock Edition* - Page 638

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post #6371 of 9531
I don't recommend using the highest level of LLC. A little bit of vdroop is a good thing. On my OC Formula I'm currently testing level 2 & 3 to determine which I'll keep.
post #6372 of 9531
Quote:
Originally Posted by INCREDIBLEHULK View Post

you definitely know what i mean when i say stable.

Well there isn't 90% stable or 95% right 10 years is harsh smile.gif 10days isnt.
do benchmarks and diff stress tests for days at a time
I can pass 10000 or 10 tests of IBT, LinX, OCCT, any program you can imagine. I can run prime from extreme tests for 12-120 hours. whether you can fold for 1 day or 100 tongue.gif

So when i say stable, means my machine won't bsod with anything done. against the other users idea of ,if your not going to use X that you will bsod, just lower your vcore so you can use Z. then when you try to use X you get a bsod, thats not stable, there is no "stable for what i do"

i'd hate to see someone go by another users advice, then they are writing a school or work essay that they didnt save and opened up a browser, windows media player, and notepad simultaneously and bsod for whatever reason because they dropped their vcore a bit to be "stable for what they are doing"

I do know what you mean, if a system is used for important work that cannot risk being lost, stability testing to the moon never hurts. 1000 runs of IBT & 120 hours of primes 95 are definitely good indications of stability & about as close as one can get to being able to say 100% stable.
But stable enough for what a user does is a valid as well, if a guy never runs a single stability test but never crashes, stable is stable, regardless of testing.
I change things too often to bother running prime 95, it just takes too long & there is no point in me stability testing for 12 hours when I will change things anyway the next day. Half an hour or an hour of IBT tells me what I need to know, the rig I'm running for a daily right now has never crashed doing what I do, I don't call it 100% rock solid stable but it is stable for me.
Quote:
Originally Posted by tw33k View Post

I don't recommend using the highest level of LLC. A little bit of vdroop is a good thing. On my OC Formula I'm currently testing level 2 & 3 to determine which I'll keep.

This does get important when getting close to what is considered the maximum 'safe' voltage. Switching between idle & load states does make transient voltage spikes, & although they are too fast to see with anything but an oscilloscope, the cpu may momentarily be getting more voltage than you would want.
    
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post #6373 of 9531
Quote:
Originally Posted by FtW 420 View Post

This does get important when getting close to what is considered the maximum 'safe' voltage. Switching between idle & load states does make transient voltage spikes, & although they are too fast to see with anything but an oscilloscope, the cpu may momentarily be getting more voltage than you would want.
This.
I dont really understand that fixation on low idle Vcore anyway, which seems to be the main advantage of the LLC settings anyway these days. It's not as if you won't be able to reach the Vcore needed to stabilize an overclock with LLC disabled (Level 5 resp. 100%), you'll simply need to set a higher Offset for it to end at the same Vcore under load. It may not look as elite in the settings and won't give you that fuzzy warm feeling because your chip ist just sooo good, but it's more honest and you avoid the possibilities of that voltage spikes.

That being said, with voltage much below the (your) limit, it's a wash. Offset doesn't matter anyway, it's all about the Vcore, and how you actually end up with that value will make no difference for lower voltages in the end.
post #6374 of 9531
Some of you may be interested in a recent test I ran comparing voltages using Aida64 and Prime95
post #6375 of 9531
Good for guide thumb.gif
post #6376 of 9531
Quote:
Originally Posted by spoonium View Post

This.
I dont really understand that fixation on low idle Vcore anyway, which seems to be the main advantage of the LLC settings anyway these days. It's not as if you won't be able to reach the Vcore needed to stabilize an overclock with LLC disabled (Level 5 resp. 100%), you'll simply need to set a higher Offset for it to end at the same Vcore under load. It may not look as elite in the settings and won't give you that fuzzy warm feeling because your chip ist just sooo good, but it's more honest and you avoid the possibilities of that voltage spikes.

That being said, with voltage much below the (your) limit, it's a wash. Offset doesn't matter anyway, it's all about the Vcore, and how you actually end up with that value will make no difference for lower voltages in the end.

He not talking about idle vcore, hes talking about LLC overcompensating when the cpu goes from idle to full load. The spike will be higher then what you are use to seeing in P95.
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post #6377 of 9531
Is there anything wrong with using offset voltage instead of turbo boost voltage? I keep crashing in video games even after passing 6 hours of prime95. I LLC to level 2 as well. Offset is currently at +.005, while turbo is at +.0012. Voltage in prime 95 is at around 1.15. I've done what others have advised and have upped my turbo voltage and LLC a bit, but I still get crashing.
post #6378 of 9531
Quote:
Originally Posted by blado View Post

Is there anything wrong with using offset voltage instead of turbo boost voltage? I keep crashing in video games even after passing 6 hours of prime95. I LLC to level 2 as well. Offset is currently at +.005, while turbo is at +.0012. Voltage in prime 95 is at around 1.15. I've done what others have advised and have upped my turbo voltage and LLC a bit, but I still get crashing.

not at all. try adding 5mV to offset (frankly, I usually have 10mV in offset even when doing a turbo OC. But it may not be the cpu. could be graphics, ram...

What type of crash during a game? CTD, BSOD or???
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post #6379 of 9531
Quote:
Originally Posted by blado View Post

Is there anything wrong with using offset voltage instead of turbo boost voltage? I keep crashing in video games even after passing 6 hours of prime95. I LLC to level 2 as well. Offset is currently at +.005, while turbo is at +.0012. Voltage in prime 95 is at around 1.15. I've done what others have advised and have upped my turbo voltage and LLC a bit, but I still get crashing.

How much have you increase turbo passed the +0.012? What multi are you at?
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post #6380 of 9531
Quote:
Originally Posted by Lucky 23 View Post

How much have you increase turbo passed the +0.012? What multi are you at?

I was at 4.5 Ghz. Also, I'm crashing to desktop. I've reverted my video card overclock and downclocked my ram. It only stops crashing when I revert to cpu stock settings.
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