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Intel core i5 2500K/i7 2600K batch guide - Page 3

post #21 of 72
just sent in results. It took significantly more voltage to get to 4.9ghz (1.488v) versus 4.8ghz (1.38v-1.4v stable haven't tested enough for my liking.). 5.0ghz took 1.49-1.50 range but I don't want to leave it there. Too close to intel spec for me.
post #22 of 72
wasn't this already done???

http://www.overclock.net/intel-motherboards/916189-official-intel-p67-sandy-bridge-motherboard.html
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post #23 of 72
Not done yet, but I'm at 4.6Ghz on 1.30v with water on an MSI P67A-GD65 so far. Strange batch number though it's 3101A103.

Anyhow it's been so long since overclocking, I'm going to spend some time going up little by little. I've heard a few people say the instabilities show up more in games than stress testing like prime95. Spent some quality battlefield time this evening making sure...yep 4.6@1.30V is good..smile.gif

Stock intel sink sucks as you would expect. I was hitting 80C at only 3.4Ghz. Now using an old hacked up modified waterblock on a quad rad and overclock to 4.6, I'm hitting upper 50s, lower 60s with 24-25C ambients.

Anyhow, still working on it, but it made it to 4.6 without any extra voltage, just water...
    
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post #24 of 72
Thanks for all the help..

Is it normal for the CPU to go to normal speeds when there isn't a large load? Im goign to have to reset my overclock info...
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post #25 of 72
Thread Starter 
joel you cpu will underclock while idle if you have c1e and intel speedstep enabled AFAIK, certainly with X58 mobos anyway, you need to disable these.

Keep the submissions coming folks!

Im aware of that other thread, I wasnt able to find one earlier before making this thread, I noticed an i7 batch guide, but not one specifically for 2500/600k, I thought id make one so its easier to find.
post #26 of 72
Thread Starter 
This is first spreadsheet I have made on google, anyone know why it makes big gaps for every 3 rows?
post #27 of 72
Thread Starter 
lets bump these batch numbers folks! biggrin.gif
post #28 of 72
Quote:
Originally Posted by Robilar;12723093 
The batch number is printed on the exterior of the box if you buy a retail box version of the processor. If you buy an OEM chip it may not be.

The batch number is also imprinted on the chip itself.

Here is an extensive thread at XS that lists batch numbers and OC results. The TS made no effort to collate the results (unfortunately).

http://www.xtremesystems.org/forums/showthread.php?t=264874

Thats because theres no correlation at all in SB chip batches.
Chips vary from chip to chip in the same batch. Some chips will clock to the moon and back, and others will hard-wall at 48x multi. It all depends on the chip you get. Batch pretty much means nothing with SB
post #29 of 72
i submitted mines but page didnt update lol 5.0ghz ran prime for few minutes then my temps sky rocketed to 85c. got scard turned off prime lol need a better cooler
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post #30 of 72
Thread Starter 
main page updated!
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