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New 2500K, how's my vid? - Page 3

post #21 of 26
Quote:
Originally Posted by CloudX View Post
If its not stable on 8hr prime and 20 runs IBT, and passes memtest, it doesn't leave my bench. I sell 2 or 3 overclocked systems a year, those leave with 12hr prime and 50 runs IBT and much more testing, but I sell many many more stock systems. I have caught issues countless times doing this on the stock setups mainly. Small things like crappy ram or a bad PSU. Even a couple cpu's from AMD and Intel doing weird things and they ended up getting rma'ed. If a overclocked system can't pass 12hr prime, it's junk overclock in my book. Flame suit on!

All you need is some mom backing up her pictures on her fancy new machine her husband said purchasing from me for a small premium was waaay better than Dell. Then while making zip files of stuff to send to relatives, it crashes and causes her to loose data. That wouldn't be a pleasant phone call for me.. Everything should be tested!
Good man! I wish more vendors shared your attitude.
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post #22 of 26
Quote:
Originally Posted by CloudX View Post
If its not stable on 8hr prime and 20 runs IBT, and passes memtest, it doesn't leave my bench. I sell 2 or 3 overclocked systems a year, those leave with 12hr prime and 50 runs IBT and much more testing, but I sell many many more stock systems. I have caught issues countless times doing this on the stock setups mainly. Small things like crappy ram or a bad PSU. Even a couple cpu's from AMD and Intel doing weird things and they ended up getting rma'ed. If a overclocked system can't pass 12hr prime, it's junk overclock in my book. Flame suit on!

All you need is some mom backing up her pictures on her fancy new machine her husband said purchasing from me for a small premium was waaay better than Dell. Then while making zip files of stuff to send to relatives, it crashes and causes her to loose data. That wouldn't be a pleasant phone call for me.. Everything should be tested!
I think you've forgotten one very important thing with Sandy Bridge setups though. I've personally seen with my 2 chips, that there's a certain amount of "burn in" time. After a few weeks, the chip seems to degrade ever so slightly, and require a little more vcore than it used to. Once the burn in is done, it doesn't get any worse though.

Just something to keep in mind. I've seen it, and quite a few other people have seen it as well.
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post #23 of 26
Quote:
Originally Posted by pioneerisloud View Post
Custom Prime blended is honestly about the quickest and easiest stress test for Sandy Bridge. It's been proven time and time again, in all of the SB threads.
That is certainly true with these cpus. I've passed a 24-hour small fft stress test, and then get a blue screen after only about an hour of prime blend testing.

The vid on my 2600k is 1.26. That's what the vcore reading is in the bios when everything is set at stock.
post #24 of 26
Thanks for the tip! I hope to compensate by using the additional turbo voltage feature. You see, non of these OCs were high or somewhat pushy like hardcore enthusiasts try. Out of the 3 OC'ed SB machines one was 4ghz, the other 4.5 and one 4.6. After determining stability I'll bump the additonal turbo voltage one notch. In case of high stress (none of these except the p8p67, will see stress lol) It'll have a little bit more juice. They were all within very nice safe limits.

In case anyone is wondering, the boards I used were 1 asrock like my sig, 1 p8p67pro and a sabertooth p67. The owner of the p8p67 pro is testing 4.8Ghz himself lol. The sabertooth p67 with a VT 6870 went to a very lucky 12 year old and that boy plays Dirt 3, and any steam game he wants on it till his eyes bleed and he couldn't be happier.. (his dad got a basic 2600K with VT 6870 and dual lcds not overclocked also on p67 sabertooth.) He wanted 16Gb of ram though. The asrock is in Florida putting along @ 4ghz just to browse ebay and use itunes most likely. heh.. I have odd customers sometimes. I wish I had like 10 times as more so I could do this for good!
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post #25 of 26
Thread Starter 
Quote:
Originally Posted by pioneerisloud View Post
I think you've forgotten one very important thing with Sandy Bridge setups though. I've personally seen with my 2 chips, that there's a certain amount of "burn in" time. After a few weeks, the chip seems to degrade ever so slightly, and require a little more vcore than it used to. Once the burn in is done, it doesn't get any worse though.

Just something to keep in mind. I've seen it, and quite a few other people have seen it as well.
What kind of vcore bump we talking?
    
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post #26 of 26
Getting into the 5GHz club was the longest I ever stress tested my cpu - in eight months.

Not once have I had my computer BSOD with my bios saved profiles. They run the gambit of 4.2GHz to 5.2Ghz - to each their own!
    
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