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2500k OC tips *currently running prime 95 5ghz 1.35v* trying to last an hour - Page 3

post #21 of 121
Thread Starter 
Alright so LLC is set to high now and bios voltage was set to 1.39v but on cpu-z during prime95 test it is now back down to 1.352v. Although if I turn the test off it goes to 1.38. Kinda confusing but i'll look more into how LLC works.
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post #22 of 121
called vdroop and it is normal.

Also I am stable a 1.360v CPUz 5.0GHz ^_^ BTW. That is AFTER it settled
 
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post #23 of 121
Thread Starter 
How long does it take to settle 12 hours? Because mine is dipping at 1.344 and is kinda scaring me..
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post #24 of 121
expect to use 1.4v + for it to be 100% stable , run prime 95 for atleast an hour with no errors .
    
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post #25 of 121
Anything below 1.42 for 5 GHz I would consider low. I have to run 1.4-1.448 to my 2500K for 5 GHz to be stable, otherwise its the 101 code for me when I run IBT.
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post #26 of 121
Thread Starter 
Just wondering how would I know if its the RAM that is causing test failure? And can ram be the cause?
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post #27 of 121
Quote:
Originally Posted by mend0k View Post

Just wondering how would I know if its the RAM that is causing test failure? And can ram be the cause?

If the RAM is running at stock then it shouldn't really be causing you any issue's. Set it to Ai Clock Tuner to XMP and forget all about RAM smile.gif Concentrate on the cpu. thumb.gif
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post #28 of 121
Theres alot of different questions been asked here, and I get the impression your not fully aware of what your doing OP.

LLC is load line calibration, there are different levels for this, each level changes how your cpu voltage works. When you set your cpu voltage in bios, once your in windows it will show roughly what you ste in bios. However once you put the cpu under stress or load, the voltage will drop this is supposed to happen and its called vdroop. The different LLC levels determine how much the voltage changes. Generally the most used level is Ultra High.

When you stress test, use prime95 and use the torture test, then change ram amount to use 90% of your available ram. If you encounter BSOD 101, that means you need more cpu voltage. BSOD 124 can mean need more cpu voltage, but can be related to unstable memory, incorrect bios settings, CPU PLL voltage too high or low etc etc the list goes on. Best to cross that bridge when we get to it. If one worker fails, this can be indication you are near stable, but need slightly more cpu voltage.

If i were you OP, I would have a look at this thread I made here which helps people to overclock 2500k/2600k - http://www.overclock.net/t/1100100/info-intel-2500k-2600k-overclocking-tips

Its not the be all end of guide to overclocking, but look at the thread and you'll see alot of people have used that guide and got thier overclocks good and stable.
post #29 of 121
Thread Starter 
Well actually I just hit stable 5ghz biggrin.gif here is the pic, apparently it was my ram fault after all because I remember that for some reason my mobo keeps setting my ram to 1333 even though they should be stock 1600 (sig ram), I even tried setting them to 1600 but I was iffy on that and I didn't know anything about OC as you can tell so it BSOD until I did add just a tad bit more voltage to 1.55.
But yesterday I put my profile to XMP while testing and when failed I put back to normal and I noticed my ram was back to 1333 so I wondered what would happen if I left it there. And voila!! 5ghz OC easy with 1.408v biggrin.gif That was a jump from 1.35v and that was when I had crappy settings on my ram so more than likely it can be 1.35v also or somewhere in between that or 1.4 tongue.gif
Here is my proof.
Max temps were 60c 67c 68c 62c
STABLE 5ghz run! Prime95 13 hours

Trying 1.35v again right now while I go to sleep. Wish me luck!
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Burnt Bacon
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post #30 of 121
lol why are you going from 1.41v down to 1.35? You should go down in increments as apposed to taking a huge random jump?
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