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Is it okay to run unstable system just for gaming? - Page 3

post #21 of 29
There is a difference between unstable due to heat and unstable due to cpu malfuntion (not enough voltage to swithch the transistors or a multitude of other things that can go wrong). If your overclock would be stable with better cooling and your motherboard automatically shuts down at a certain temperature (a failsafe), then you will probably not be able to harm your computer by frying it and it will probably not mishandle data (with occam's razor, everything else is assumed to function normally). I would not completely trust the failsafe though, an overclocked cpu can always mishandle data, especially in this case. The question is whether or not prime stopping is due to heat (motherboard shutting itself down) or due to a completely different issue (actual instability that can mishandle data). Because prime crashes, this cannot be known and a risk you are free to take.
The way this applies to gaming is if the overclock would be stable with better cooling and you are running below the failsafe shutoff temperature, there is a relatively lower probablity of corruption. If the the overclock is unstable and you wrongly attribute a prime crash to heat, when it is fact malfunctioning, there is a relatively higher chance of corrupting the system.
On a side note, an overheating gpu can only kill itself if you push it too hard (it should have a failsafe as well)
Short version, if it is just a gaming rig without important data, have fun and overclock. If it has important stuff on it, might be good to play it safe.
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post #22 of 29
Quote:
Originally Posted by LuckySe7ens View Post

No problem, what is game stable isn't necessarily prime stable. Stressing software like that is not real world useage unless you fold or something. If its stable for gaming than its stable for your useage. As long as volts aren't astronomical I say run it!
This whole concept of gaming stable vs stress stable is dumb. Either your chip can function properly at a given setting or it can't. Proper functionality includes 100% load.

It'd be like buying a car knowing that if you try to pass someone on the highway it'll burst into flame, but since you never pass people, it's OK.
 
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post #23 of 29
Quote:
Originally Posted by u3b3rg33k View Post

This whole concept of gaming stable vs stress stable is dumb. Either your chip can function properly at a given setting or it can't. Proper functionality includes 100% load.
It'd be like buying a car knowing that if you try to pass someone on the highway it'll burst into flame, but since you never pass people, it's OK.

That is a good way to put it. What if you do have to pass someone on the highway? (AKA. Run something very CPU intensive in the future wink.gif)

I wouldn't use an overclock that I knew wasn't at least 12 hour Prime95 stable. Yes it may be fine for gaming, but what if you need to run something that will fail due to your CPU being unstable? You are better off sticking with a slightly slower, stable overclock.

Also, what is "gaming" stable today, might not be in a year or two. A couple of years ago most new games out there wouldn't max a C2D. Now most new games today have them pegged at 100%. Would your gaming overclock be stable with a game using ~90% CPU utilization? smile.gif
Edited by AtomicFrost - 11/14/11 at 7:36pm
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post #24 of 29
An individual cannot completely test an overclocked cpu. It is not possible. Computer engineers go to school for a reason. An 100% flawless overclocked cpu cannot be guaranteed by a geek in his attic. Prime only tests a few aspects of the chips and so do all the other stress tests. But they do not guarantee 100% stability. The most anyone on OCN can say after an overclock is that they have not met any problems with their system yet. No one on this forum (unless they are a computer engineer who has done tons of testing on their system) can guarantee 100% flawless functionality.
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post #25 of 29
Quote:
Originally Posted by RandomPerson View Post

An individual cannot completely test an overclocked cpu. It is not possible. Computer engineers go to school for a reason. An 100% flawless overclocked cpu cannot be guaranteed by a geek in his attic. Prime only tests a few aspects of the chips and so do all the other stress tests. But they do not guarantee 100% stability. The most anyone on OCN can say after an overclock is that they have not met any problems with their system yet. No one on this forum (unless they are a computer engineer who has done tons of testing on their system) can guarantee 100% flawless functionality.

You know what I mean.

Intel's (or AMD's) errata guarantees that there is no such thing as 100% stable. we KNOW that certain types of operations on certain types of data WILL cause erroneous output. There's a reason they tell you your CPU/MB/Computer is not to be used to run air traffic control, nuclear power plants, or life safety devices (it's in the fine print, I've read it).

They have systems for that, most have mirrored systems with mirrored ram, XEON class CPUs (or something proprietary), everything ECC, and redundant redundancies.
 
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post #26 of 29
Then with what you just said, so long it is stable at the threshold you use it for (gaming with minimal concern for data, normal pc use with concern for data loss, high stress rendering or air traffic control) you are all set. I would highly recommend prime stable for 12 hours or more, but if it crashes due to heat (due to the failsafe), I see it as less serious than crashing due to errors in calculations. OCN does not always make the distinction, but a crash due to heat is different than a crash or corruption due to cpu malfunction.
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post #27 of 29
Quote:
Originally Posted by RandomPerson View Post

Then with what you just said, so long it is stable at the threshold you use it for (gaming with minimal concern for data, normal pc use with concern for data loss, high stress rendering or air traffic control) you are all set. I would highly recommend prime stable for 12 hours or more, but if it crashes due to heat (due to the failsafe), I see it as less serious than crashing due to errors in calculations. OCN does not always make the distinction, but a crash due to heat is different than a crash or corruption due to cpu malfunction.

I think you missed my point entirely. You want it stable beyond your planned normal operations.
It shouldn't be erroring out in standard stress testing programs.
Edited by u3b3rg33k - 11/14/11 at 8:28pm
 
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post #28 of 29
Quote:
Originally Posted by BradleyW View Post

No it's not because you will corrupt vital data over time and could cause harm to the hardware over a period of time.

I agree with possible data corruption, but there wouldn't be any hardware damage. The worst thing that can happen is that he'll have to reformat.
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post #29 of 29
I'm trying to say failing prime due to temps is less likely to cause damage to data than failing prime due to cpu malfunction.
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