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Intel Burn Test And Me

post #1 of 13
Thread Starter 
So I have a Q6600 OC'd to 3.4 Ghz and seems stable but after running a session of Intel Burn Test on Maximum Stress Level, it failed on the last test. I tested again and it made it through the Maximum Stress Level without any errors. Any ideas as to why it failed then passed?

Also, is Intel Burn Test alone reliable or should I use some other programs like P95 as well?
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Obsidian
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post #2 of 13
Try running P95 on small FFTs for about an hour. If it passes, then it means your OC might be 99.9 percent stable, nothing to worry about.

But some people like their 100% stability.
post #3 of 13
Try linX since IBT can be buggy sometimes.
post #4 of 13
Testing for stability is probability driven, there is always the chance an unstable overclock will pass rigorous testing.

So if you're very nearly stable, then there's a pretty good chance you will be able to pass stress tests, testing for longer and with different software just reduces that probability.


Running unstable overclocks on the other hand can greatly increase chip degradation and cause you to process less GFlops than you should be able to.


Personally, I think 100% stability is worth it...
    
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post #5 of 13
Thread Starter 
Ah, I see now. I'm gonna suicide run P95 then. Does 21-22 GFlops sound good for my build? Build listed in my sig.
Obsidian
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Obsidian
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post #6 of 13
Quote:
Originally Posted by Luminosity47 View Post
Ah, I see now. I'm gonna suicide run P95 then. Does 21-22 GFlops sound good for my build? Build listed in my sig.
Unfortunately not

This thread from a few days ago was talking over the issues, I don't know that a solution was ever found. I noticed that you too have an nvidia chipset so that makes your issue about identical.

For comparison, my Q6600 Oc'd to 2.8GHz manages 34GFlops
    
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post #7 of 13
Quote:
Originally Posted by Crabid View Post
Unfortunately not

This thread from a few days ago was talking over the issues, I don't know that a solution was ever found. I noticed that you too have an nvidia chipset so that makes your issue about identical.

For comparison, my Q6600 Oc'd to 2.8GHz manages 34GFlops
my 3.2ghz oc gets 41gflops on IBT. But at 3.3 (and higher vcore) it gets 37-38.

I read up on it and it turns out that a higher vcore gives lower gflops. Low ram clocks also don't help.

Also, mind telling me how you got to 3.4ghz? I'm barely stable at 3.2ghz now with 1.4v. At 1.45v @ 3.4ghz windows usually instantly bsod's me.
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post #8 of 13
Quote:
Originally Posted by consume View Post
my 3.2ghz oc gets 41gflops on IBT. But at 3.3 (and higher vcore) it gets 37-38.

I read up on it and it turns out that a higher vcore gives lower gflops. Low ram clocks also don't help.

Also, mind telling me how you got to 3.4ghz? I'm barely stable at 3.2ghz now with 1.4v. At 1.45v @ 3.4ghz windows usually instantly bsod's me.
What stepping is your chip? if it's a B3 that will be your issue right there, G0 gets a lot further on a lot less.
    
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post #9 of 13
Quote:
Originally Posted by Crabid View Post
What stepping is your chip? if it's a B3 that will be your issue right there, G0 gets a lot further on a lot less.
Its a G0 and the vid is 1.2875

The owner before me was running it at 3.5 on air :S
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post #10 of 13
Quote:
Originally Posted by Luminosity47 View Post
So I have a Q6600 OC'd to 3.4 Ghz and seems stable but after running a session of Intel Burn Test on Maximum Stress Level, it failed on the last test. I tested again and it made it through the Maximum Stress Level without any errors. Any ideas as to why it failed then passed?

Also, is Intel Burn Test alone reliable or should I use some other programs like P95 as well?

I almost think IBT "Maximum" is coded to fail if it detects your clock speed is above stock...

-TG
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