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post #11 of 22
MOAR VTT!!!!

/caps

I like the TechReaction guide as well. 1156 is really pretty striaght forward. Vcore is rarely the issue, often it is finding the right combination of VTT and PLL. Usually I leave the pll on 1.9ish. For me, i like to keep the VTT under like 1.35, 1.41 for suicide runs. Too much VTT willl KILL your CPU, so be careful.

Clarkdale is really fun, once you get used to it, you will love it... I sure did
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post #12 of 22
Quote:
Originally Posted by reflex99 View Post
MOAR VTT!!!!

/caps

I like the TechReaction guide as well. 1156 is really pretty striaght forward. Vcore is rarely the issue, often it is finding the right combination of VTT and PLL. Usually I leave the pll on 1.9ish. For me, i like to keep the VTT under like 1.35, 1.41 for suicide runs. Too much VTT willl KILL your CPU, so be careful.

Clarkdale is really fun, once you get used to it, you will love it... I sure did
Mines a bit of a VTT hog.
post #13 of 22
Thread Starter 
Sorry for the late reply. I have been having exams throughout :/ I will try it out and inform y'all of the results. Thank you for the responses =)
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post #14 of 22
Quote:
Originally Posted by reflex99 View Post
MOAR VTT!!!!

/caps

I like the TechReaction guide as well. 1156 is really pretty striaght forward. Vcore is rarely the issue, often it is finding the right combination of VTT and PLL. Usually I leave the pll on 1.9ish. For me, i like to keep the VTT under like 1.35, 1.41 for suicide runs. Too much VTT willl KILL your CPU, so be careful.

Clarkdale is really fun, once you get used to it, you will love it... I sure did

Absolutely no need to mess with PLL on an i3 unless you're going to 5ghz+. Messing with it usually decreases stability. It's NOT like overclocking an i5/i7.

OP, see the link in my sig - all the info you'll ever need.
Also, what's up with your memory... 9-25-9-9-10?? WTH is that?
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post #15 of 22
Well, OCing my 550 was asking for a LOT of VTT, 1.325 to be exact, but i'm forcing too much my IMC by having all RAM slots full and 8 GB. I doubt you'd need over 1.25v with 2-4 GB or with only 2 RAM slots.

I got 4.16 GHz with 173 BCLK, x24 multi, 1.29v core, 1.325v VTT, and stock PLL and PCH. I haven't tried higher BCLK's as i hit a BCLK hole (if i use 174 BCLK i get BSOD's even with my vcore) and i'm actually happy with 4.1 GHz for now. If i get more free time i'll try and see if i can get past that, as my temps are pretty low atm (60c with intel burn test), and they will only keep on dropping (i'll lap my H70+processor, plus change the fans on my H70)

Don't touch PLL and PCH. raising them from 1.8 and 1.15 respectively got my stable OC to be unstable, plus raised temps a lot.

I also agree with Horsemama, the TechReaction guide is way better. I followed it, plus a bit of freelancing on my side after i fully understood how it works.

The guide from Master's Lair i did follow is the RAM Timing OCing, but don't mess with that untill you get a 100% stable OC at stock ram timings/clocks.

I also recommend you to use Intel Burn Test as stress tool. Prime could go for 3+hours without errors @ 4.3 ghz/1.35v vcore, but IBT BSOD's after 15-20 seconds. Plus, it generates way more heat, which is good as a true worst-case scenario (Prime would only get to 58c, but with IBT i can go as high as 64c with 4 workers on each app)
Edited by Starbomba - 6/6/11 at 10:30am
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post #16 of 22
BCLK shouldn't have anything to do with vcore, VTT for that.

For 200 BCLK and 4GB DDR3 at 1600 I only need 1.190 VTT, so not much over stock, and my QPI is at 4Ghz. Th extra memory is really hurting your overclock, if you want more. On your cooler, you should be able to get 4.4-4.6 with borderline temps in stress tests.

I also left PLL at stock, some with PCH.
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post #17 of 22
Quote:
Originally Posted by Horsemama1956 View Post
BCLK shouldn't have anything to do with vcore, VTT for that.

For 200 BCLK and 4GB DDR3 at 1600 I only need 1.190 VTT, so not much over stock, and my QPI is at 4Ghz. Th extra memory is really hurting your overclock, if you want more. On your cooler, you should be able to get 4.4-4.6 with borderline temps in stress tests.

I also left PLL at stock, some with PCH.
I know extra RAM is hurting me. I do run light Vegas, Photoshop with big images, and up to 4 VM's when i'm programming, so i do half need it. I'm planning to get rid of one 2 gig stick to get a higher OC tho, but gotta try if i can actually fit on that, and for that i need free time.

If i were to lower my RAM to 6 GB, think i could get my i3 to 4.4-4.5 GHz? My temps atm are 55-58c while BOINCing and 63c on IBT.
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post #18 of 22
Quote:
Originally Posted by AyeYo View Post
Absolutely no need to mess with PLL on an i3 unless you're going to 5ghz+. Messing with it usually decreases stability. It's NOT like overclocking an i5/i7.

OP, see the link in my sig - all the info you'll ever need.
Also, what's up with your memory... 9-25-9-9-10?? WTH is that?
I was fine at 1.9 up to like 5.2, after that, I had to start messing with it.

Clarkdale i5 = i3 with turbo.
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post #19 of 22
Thread Starter 
Another thing I'm going to replace my RAM and maybe get 2x2GB Corsair Vengeance. Should I wait till I do that and then overclock or does it not matter? Sorry for such a noob question
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post #20 of 22
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