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Did I damage to my 3960x?

post #1 of 25
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So the other day I built a new PC which included a i7 3960x and ASUS Rampage 4 extreme MB. I used ASUS's Extreme Gamer High Current overclocking profile, which sets the Vcore to 1.6v to get the CPU to 5 GHz. This worked fine for about 3 weeks, then one day the PC wouldn't POST. Popping the CMOS chip got the PC to POST and boot again.

Then, I tried to re-apply the Extreme Gamer High Current overclocking profile, PC would start and crash. Then, I tried the Extreme Gamer Low Current overclocking profile, which sets the Vcore to 1.5v and puts it at 5 GHz. Same results. Next I tried the Gamer profile, which set the Vcore to 1.4v and gets the CPU to 4.4 GHz. No crashes and everything works great. I then manually set the Vcore to 1.45v and the multiplier to 47, which gave me 4.7 GHz. This has run stable through playing hours of Skyrim and running Prime95.

So my big question is, did I cause damage to my CPU? I'm fine with 4.7 GHz but would hate to leave a busted chip in my rig.

Also, the hottest my CPU ever got at 5 GHz when playing a game was around 75 C. Right now at 4.7 GHz Prime95 gets it it the high 60's low 70's. So I'm sure the CPU did not overheat.
post #2 of 25
Were you running 1.6v 24/7 for 3 weeks?
 
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post #3 of 25
Is it possible that you may have damaged the chip? Yes. Intel say that 1.52 volts is the limit for these chips, but nobody really knows for sure how badly massively high voltages (1.6v) damage the chips and how long it takes for this to happen. I would say you are the first to find out... Keep the CPU for now to see if you have permanently damaged it. In the meantime, as a guideline, I can get my 2500k to 4.6GHz on just 1.3 volts, and it will happily get 5GHz with just a little over 1.4 set in the BIOS.

For future reference, never trust the auto overclock settings in the BIOS and only change the voltage if you really know what you are doing, 1.6 volts will kill any 32nm chip given time. thumb.gif
Edited by Warweo - 1/9/12 at 11:37am
 
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post #4 of 25
Try a manual 5.0ghz overclock. Should work.


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post #5 of 25
I tried the OC software on my R3E and at 4.0ghz it sets the vcore to 1.35 volts and damn did it get hot.So i disabled that turboevo crap and manually ocd to 4.0 ghz with only 1.26 volts and its stable and cool all the time.If I were you I would manually overclock at a much lower voltage.
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post #6 of 25
What cooling are you using and what cooling did they use when they hit 1.6v.? headscratch.gif
post #7 of 25
Your voltage is indeed too high. If you were getting 75C while gaming you were certainly pushing 80+ while prime/benching.

I personally wouldn't trust the auto-overclock profiles. 4.7 is respectable for that chip. You can try and push higher manually, but if your chip has degraded (by definition, meaning that it needs more voltage to reach the same clock rates than it previously did, which is probably the case) than you should just be glad that you can do 4.7 on a decent voltage.
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post #8 of 25
1.6V. I really can't imagine that would be right. Nobody recommends going above 1.4/1.45 for 24/7 use. Using an official Asus OC'ing setting that bumps up the voltage to 1.6 sounds super sketch/off. o.o
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post #9 of 25
1.6?????????? Are you positive?? If it really was at 1.6 for that long that is defiantly not good at all.
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post #10 of 25
i run 1.48 at idle and 1.496 under load. i dont know much about overclocking. ill be the first to admit that. if intel says 1.52 is "max" then i wont crest 1.5. no reason to increase the voltage into the red zone for another 100-200mhz.




(my 3930k is @ 4.8 24/7)
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