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E8400 overclock - acceptable? - Page 2

post #11 of 22
i was not telling him to go for 4gz at all i was just saying what it say on net
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post #12 of 22
Well giving advice like that isnt helpful when you dont know what your talking about.

Not all processors are the same, just because you heard XYZ works well doesnt mean it will for every other person with the same processor...
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post #13 of 22
The chip looks quite good, getting to 3.5ghz on 1.15 ish volts is good.

However, you never really know their potential until you try it, plenty of chips hit voltage walls higher up the clock speeds.

Get a better cooler before you start increasing the overclock and volts, as you're hitting ~70C on the stock cooler, and you don't really want to let it get much hotter than that when stress testing...
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post #14 of 22
Looks like a good OC. I'd try to keep bumping it up, I've seen some E8400's get crazy clocks on stock cooler (~4GHz range), although I wouldn't push yours that far until you get an aftermarket cooler.
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post #15 of 22
Thread Starter 
I'm just wondering about my vCore. 1,168 volt. I think its pretty low. So i would just ask. Is my cpu golden, or is it just normal for a p45 chip?

And this i just an experiment to se what i can do on a std cooler. Will soon get a better cooler.

And, is this an okay overclock?
post #16 of 22
Quote:
Originally Posted by andy.pc.2011 View Post
Getting to 4ghz stable requires a voltage increase to around the 1.42/1.44 point to account for the vdroop with 445 FSB.

If you did want a cooler the Arctic Freezer Pro 7 would do the job for 3.6ghz as the cheap option, but the Thermalright Ultra or Extreme 120mm will definitely handle 3.6Ghz+.
Those are honestly mediocre coolers.
I would highly recommend a CoolerMaster 212+ as its the best price/performance cooler at ~$20.
The ThermalRight Ultra 120 is at the end of its lifespan (I have one) its not very good with scaling. Rather look into a RASA 240 kit or an H50/Noctua DH14.
Both those are ~$75+

I would slowing increase the FSB by 5 until you find an instability within roughly 10 mins of Prime95. Then bump the vcore a little bit, run for 10 mins. If its instable, more vcore/maybe bump northbridge voltage slightly. Keep doing until you hit 4Ghz, then stress-test for longer.
Also make sure that the RAM isn't overclocked when doing this, as bumping the FSB will also bump up the RAM Mhz as well as the NB Mhz, so you might get a BSOD while stress testing, but it may not be related to your CPU.
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post #17 of 22
Thread Starter 
Okay, thanks for the positive replys

Will get a better cooler before i continue my overclocking.
post #18 of 22
You won't know until you push 4.0+. You have the right board to find out. E8400s run cool, so an H50 or high-end air cooler will be fine.

And $ilent is right, don't start out pushing high voltage. Both my E8400s can do 4.0 at less than 1.3VCore. The one in my sig is at 4.3 at only 1.33.

Read a guide, visit the UD3 thread, and do it methodically.

http://www.overclock.net/intel-mothe...ers-guide.html

We can field questions in there.
Edited by 2thAche - 5/7/11 at 5:38am
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post #19 of 22
Alex we cant say 'yes its golden chip' because 3.5ghz isnt really pushing it, if it was 4ghz at those volts then yes id consider that golden chip.
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post #20 of 22
Thread Starter 
2thAche, i will try read that guide, thanks for the link
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