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Intel Burn Test...how much is 'enough'..? - Page 11

post #101 of 143
I run 50 passes in Intel Burn Test & get no errors so i can say the system is stable.

Other programs like Prime95 & Orthos take too long.
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post #102 of 143
Prime and Orthos seem to stress memory and NB better.

Also, OCCT's power supply test seems to be the hardest on the NB.
    
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post #103 of 143
Quote:
Originally Posted by PizzaMan View Post
Prime and Orthos seem to stress memory and NB better.

Also, OCCT's power supply test seems to be the hardest on the NB.
For i7's IMC, we use:
Prime 95
Min:8k
Max:4096k
4 hours
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post #104 of 143
Load temps during Linx with priority "high" and all memory used are only 80c, quite a bit less than I thought. I get the same temps with P95 small ffts anyway.

5 passes and counting, shooting for 50. Memtest86 had 7 passes, gonna start doing P95 small/blend/large overnight for the next three nights.

That is, if I get any sleep after Dragon Age: Origins comes out
post #105 of 143
Quote:
Originally Posted by CL3P20 View Post




...74hr FTT test.. ..I wonder if its 'stable' though... ...LMAO!! nice job man..top notch for sure..and pretty good temps too!
Quote:
Originally Posted by ChickenInferno View Post
Crown handed over
lol, thanks. I take my stability really seriously, especially after reading through ChickenInferno thread.
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post #106 of 143
Quote:
Originally Posted by d3v0 View Post
haha what I am saying is I ran P95 and memtest for the above times, but no linpack.

Pizzaman, firefox crashes.
If Firefox is crashing, then either the overclock isn't truly stable, or perhaps a previous version of Firefox might be more stable on your particular system.
Quote:
Originally Posted by Tnlgg View Post
I run 50 passes in Intel Burn Test & get no errors so i can say the system is stable.

Other programs like Prime95 & Orthos take too long.
But linpack testing is not superior to prime testing. It's just different. Linpack stresses the system differently than prime tests.

Many people have noticed that their overclock can pass 50 or more runs of linpack with the highest stress level (or if using LinX, then with the "All" button for "Memory (MB)"), but couldn't last more than a couple of hours of any prime test. But on the other hand, I have seen many say that their overclock can handle 12 hours of each prime test, but fail within a few runs of linpack. This just means that their overclock can be much more stable than it already is.

Therefore, it doesn't matter that prime testing takes longer. That's just the way it is. So, don't be surprised if you run into problems later on down the road; if you do, then that means your overclock was never stable to begin with. Unfortunately, it doesn't matter if it feels stable now. Using an unstable overclock for a month or 2 usually results in the user suddenly experiencing problems due to instability. But that's just because the use of the unstable overclock has degraded the CPU just enough thereby revealing just how unstable the overclock really is. But it's not as harmless as it sounds: if you wait until this happens, then it will be harder to make it stable than it otherwise would have been from the beginning due to the permanent degradation that has occurred.
Quote:
Originally Posted by d3v0 View Post
Load temps during Linx with priority "high" and all memory used are only 80c, quite a bit less than I thought. I get the same temps with P95 small ffts anyway.

5 passes and counting, shooting for 50. Memtest86 had 7 passes, gonna start doing P95 small/blend/large overnight for the next three nights.

That is, if I get any sleep after Dragon Age: Origins comes out
Using the High priority is not recommended. Here's a quote from LinX's GUI when pausing my mouse over "Priority class": "Lowering this level will make the system more "responsive" during testing. Values higher than Normal are not recommended." In other words, this is absolutely unrelated to IBT's "High" setting for the stress level.

The best way to get the absolute most out of LinX is to just click the "All" button next to where it says "Memory (MB)". Be aware though that if it's in 64-bit mode, then the test may not run at all if you have the "All" button clicked. So you may have to click the button, make a mental note of the amount of memory, and then unclick the button and manually enter a value slightly lower. For example, if I click the "All" button, mine says "3207" right now. So, I have to click the button again, and then type "3200" and try again. If it fails, then I might try 3190. In fact, I tested it just now and I ended up having to lower it by about 80 MB. But unfortunately, it's different every single time. So, if you close LinX and open it right back up, then you might be able to get away with lowering it by less (you will also notice that clicking the All button gives you a totally different amount than before). Or, you might have to lower it by even more! It's a bit unpredictable, but this is how to get the absolute most out of it. And take notice how the Problem Size is dictated by how much memory you're using.

You can also adjust this amount in the Settings for "Memory for OS (MB)". It's roughly the same thing as manually lowering the amount of memory to use for the test. So, when posting results, you can make mention of whether or not you adjusted "Memory for OS" too.
Edited by TwoCables - 11/2/09 at 8:01pm
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post #107 of 143
I'm not sure exactly what is going on with my overclock. It passes 12 hours in prime with 0 errors before I stop it. Passes 100 Intel burn tests and 25 on max settings. Then a couple of days later it crashes. And after a couple of days when i try to run it in prime it crashes about a second in. I can bump the v core up and it wont crash but I'm just wondering why it does this and if there is any fix for it.
post #108 of 143
Quote:
Originally Posted by lowkickqop View Post
I'm not sure exactly what is going on with my overclock. It passes 12 hours in prime with 0 errors before I stop it. Passes 100 Intel burn tests and 25 on max settings. Then a couple of days later it crashes. And after a couple of days when i try to run it in prime it crashes about a second in. I can bump the v core up and it wont crash but I'm just wondering why it does this and if there is any fix for it.
Which test in Prime95 can it pass 12 hours of? It's not that I'll know why based on the answer, but it's usually best to do all 3 tests in Prime95 instead of just 1 - even if the overclock can do 100 linpack runs like that.

But to get right to the point: if raising the vcore a little bit fixes it, then that means the overclock isn't stable enough.
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post #109 of 143
Blend test. I'm just wondering why it passes then doesnt.
post #110 of 143
Quote:
Originally Posted by lowkickqop View Post
Blend test. I'm just wondering why it passes then doesnt.
Because it's not stable enough yet. I mean, if raising the vcore makes things better, then there's still some work to be done on making it more stable. It's best to make the overclock stable enough to pass 12 hours of the Small FFTs too. And even like 8 hours of the Large, in-place FFTs. I mean, the more stable it is, the more problem-free it will be (of course).
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