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Try Try Again 930 4.2 Quest for a stable OC - Page 6

post #51 of 56
Quote:
Originally Posted by manolith View Post
no it wont.. where did you get that from man... you will be able to lower the voltage on the bios and will have a lower idle voltage with out vdroop.
turning off vdroop with the voltages he is running? O.o thats mean he will have 1.43 Vcore O.o that is pretty high considering that he isnt on water either.
post #52 of 56
Thread Starter 
also, wierd so last night i ran the 20 passes in linx and passed and then 12 hrs of prime and bsod, now i just ran linx at 24000 size 4.4 gigs of ram instead of 4 gigs and i had a error in the 3rd pass is my memory screwed?
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post #53 of 56
Quote:
Originally Posted by kpopsaranghae View Post
turning off vdroop with the voltages he is running? O.o thats mean he will have 1.43 Vcore O.o that is pretty high considering that he isnt on water either.
Clearly you can't read.
    
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post #54 of 56
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well if i turned on llc my bios voltage would be 1.368v but i dont know how high up my voltage would jump up on freak spikes.
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post #55 of 56
Quote:
Originally Posted by waedoe View Post
well if i turned on llc my bios voltage would be 1.368v but i dont know how high up my voltage would jump up on freak spikes.
Well you do what you want. I never seen the freak spikes you speak off. Even by mesuring the voltage straigt from my board with a multi meter. I've built 5 i7 920 setups in the past year and they all have vdroop off and they are all running fine.
    
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post #56 of 56
LLC on vs off is just a voltage adjustment, it (obviously) does not change the vrm circuitry. Whenever going from similar heavy load to light load (LLC on or off), there will be similar magnitude overshoots as the same relatively cheap vrm circuitry (on motherboards) can not make perfect and fast enough adjustments from same load (and no one is going to want to pay for an expensive solution where minimal vdroop/vdrop is needed to prevent overshoots).

Suppose you need 1.36 load to be stable, and 1.38 in bios with LLC on or 1.43 LLC off gets you there. Since your load is same, and your going through the same circuitry and recovering from same load, your overshoots should be approximately same magnitude.

Also, remember, overshoots are proportional to voltage, so higher vcore = higher overshoots. While some tolerance is no doubt built in, and an expensive mobo with better vrm circuitry will have more leeway, once you get too high in vcore, even with LLC off, overshoots will be higher than what you set in bios. The vdroop and vdrop level was to protect from overshoots at near stock vcore (with some tolerance built in), so again, once you get much higher vcore, overshoots at some point will be above bios setting regardless of LLC setting...and no one knows tolerance settings except mobo manufacturer.

In other words, you are overclocking, so you are already out of spec. And while you shouldnt fool yourself with LLC on, you also shouldnt fool yourself with LLC off.

Not trying to tell you to use LLC or not, especially since I dont see that much of a difference between two, other than you idle lower with it on, and for some reason, large vdroop/vdrop is annoying to me. My preference is the GB solution of simply reducing vdroop/vdrop to a low level, vs eliminating it, since I know I am out of spec with it on or off at my vcore anyways, and a small amount for whatever irrational reason is less annoying to me. And since most degradation occurs at load vcore + corresponding overshoots from given load with given circuitry, according to those that manufacture them...then I doubt it matters one iota whether you use LLC or not, what matters is how high your load vcore is and how good your vrm circuity, and how lucky were you with your particular cpu's quality on how it will resist degradation.

rge
Edited by opt33 - 6/11/10 at 5:10am
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