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Should I got past 3.8GHz on 955 BE revision C3? - Page 5

post #41 of 79
Quote:
Originally Posted by KhaoticKomputing View Post
Ok, so i droped CoreVoltage down to 1.4875 in bios, any lower and prime will crash on startup. With this setting voltage goes as high as 1.519x in CPUZ.

I'll try to raise CPU/NB up to 2500, but I'm going to go find more info on what stock/safe voltage is for CPU/NB, agin noob lol. right now my RAM is at 1333 9-9-9-21 with Voltage at auto, I cant take my ram to 2000MHZ, mobo settings only go as high at 1600, but it crash's if i change timings or freq from 1333/9-9-9-21. maby after bumping up the CPU/NB Ram will be stable at 1600/X-X-X-XX timings ill report back after a while! thanks agin!
Thats RAM usage @ 2000 for Linx or IBT
Stock voltage for CPU/NB is 1.10V, so you can try like 1.20 for CPU/NB @ 2500
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post #42 of 79
Thread Starter 
going to try that
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post #43 of 79
Thread Starter 
well, I have ran prime, in long,short and blend, Played BBC2 and wow. Also used DVD fab. everything loads quick, no blue screen's, temps hit a peak of 43c with current Vcore at 1.4875v C'n'Q is working perfectly fine. Results are
1c delta on idle, and 22c load delta @ 4.0Ghz.
CPU-Z

If you want to see final settings Thanks agin!
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post #44 of 79
Quote:
Originally Posted by KhaoticKomputing View Post
well, I have ran prime, in long,short and blend, Played BBC2 and wow. Also used DVD fab. everything loads quick, no blue screen's, temps hit a peak of 43c with current Vcore at 1.4875v C'n'Q is working perfectly fine. Results are
1c delta on idle, and 22c load delta @ 4.0Ghz.
CPU-Z

If you want to see final settings Thanks agin!
is your CPU/NB @ 2500?
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post #45 of 79
Thread Starter 
yes sir, NB/CPU Frequency is set at 2500 The only thing I am unhappy with is how high I have to keep the voltage. wish I could set it a setting or two lower, do you think If i removed one of my RAM kits it would help or is that just dumb thinking?
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post #46 of 79
Quote:
Originally Posted by KhaoticKomputing View Post
yes sir, NB/CPU Frequency is set at 2500 The only thing I am unhappy with is how high I have to keep the voltage. wish I could set it a setting or two lower, do you think If i removed one of my RAM kits it would help or is that just dumb thinking?
How high is the voltage?
Usually, 8G of RAM needs a little extra CPU/NB volt than 4G
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post #47 of 79
Thread Starter 
In the BIOS i have it set to 1.4875v
CPU-Z is reading up to 1.500v
I would like to set it closer to 1.4250 ish volts, but its not the big of a deal I gess. I might remove hafe my ram to see if I can get away with lower VCORE.

Question, Dose using all 4 DIMMS req more voltage?? as in could I pick up a 2x4 (8gig total) set and get away with less VCORE? or would I have to keep it to 4GB's and under? Thanks for your help!! +rep!
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post #48 of 79
I did not read every post, but I have a stable 24/7 OC at 4.018GHz @ 1.504v currently without having to up the Freq.

Also you should be running 12+ hours of Prime95, chances are your OC is still unstable but not showing in the first couple hours. You should also consider running 5-10 passes on High or Very High of IntelBurnTest. I know when I first OC'd and thought "hey this is easy" then it crashed at like 10.5hours and I was like "back to the drawing board". These chips are safe up to 65C and 1.60v but it isn't recommended to go past 60C and 1.55v continuous.

I found IntelBurnTest determined an unstable OC quicker than Prime95. So now I only use that program.

I'll post what my settings are later on, currently I peak at 48C under heavy load, and idle at 28-30C depending on my ambient.
Edited by ajmidd12 - 4/25/11 at 10:44am
post #49 of 79
Thread Starter 
gerr lol. I cant run prime for 10+ hours, need computer for work/life lolwhat is a safe place to DL Intel Burn Test from? i'll try that one. at this point I would be kinda shocked if it wasnt stable. this evening I'll let prime run allnight, that will give it a good 8 hours or so befor the wife needs to use it. Thanks for the help!
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post #50 of 79
Quote:
Originally Posted by KhaoticKomputing View Post
gerr lol. I cant run prime for 10+ hours, need computer for work/life lolwhat is a safe place to DL Intel Burn Test from? i'll try that one. at this point I would be kinda shocked if it wasnt stable. this evening I'll let prime run allnight, that will give it a good 8 hours or so befor the wife needs to use it. Thanks for the help!
You never know, I thought the same until I let it run and BOOM it failed. It took quite a bit of tweaking for 4.0GHz to become stable without touching the Freq (keeping the HT at under 2000MHz) which IntelBurnTest found right away. The passes took me 15seconds (Standard) to 1minute (Very High) per pass.

*EDIT* I downloaded it from the Guru of 3D. Here That may not be the current version though, you may need to update it.

By the way, my computer Folds 24/7 and I play numerous games/video editing etc on it. It needs to be stable and hasn't crashed yet (this has been running solid for a week).
Edited by ajmidd12 - 4/25/11 at 11:11am
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