How does an overclock that was stable become unstable?

borley

borley

borley

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Hi, basicly i thought one of my manual 4.6Ghz overclocks on my i5 200k was unstable as i had a lot of freezes in a game. So i thought for now as i'm not to bothered just use the Auto in my bios this gave me a 4.3Ghz overclock which was fine until i could be bothered to manual again. The wierd think is the auto was fine for about 2 weeks but then yesterday i kept gettting the reset at start up and it was saying overclock failed so i went to my manual 4.5Ghz overclock and it was fine.
My question is how can an overclock that was stable become unstable, i mean with an auto overclock as i heard these stay realy stable because they are cautious about the overclock. My temps are no higher my CPU is watercolled and i have never seen it go over 67c.
Regards
 
borley said:
Hi, basicly i thought one of my manual 4.6Ghz overclocks on my i5 200k was unstable as i had a lot of freezes in a game. So i thought for now as i'm not to bothered just use the Auto in my bios this gave me a 4.3Ghz overclock which was fine until i could be bothered to manual again. The wierd think is the auto was fine for about 2 weeks but then yesterday i kept gettting the reset at start up and it was saying overclock failed so i went to my manual 4.5Ghz overclock and it was fine.
My question is how can an overclock that was stable become unstable, i mean with an auto overclock as i heard these stay realy stable because they are cautious about the overclock. My temps are no higher my CPU is watercolled and i have never seen it go over 67c.
Regards
Click to expand...

Not to state the obvious but there may be a fault with your system somewhere, I would start with the PSU. If it is faulty and not supplying the right currents that could make your OC unstable. Can you get your hands on other parts and swap them put?
 
buzzlightweight said:
Not to state the obvious but there may be a fault with your system somewhere, I would start with the PSU. If it is faulty and not supplying the right currents that could make your OC unstable. Can you get your hands on other parts and swap them put?
Click to expand...
Hi a PSU i can't get hold of mines a good one a Corsair CX 600 and my 4.5Ghz manual clock seems ok, just starange that my auto clock has become unstable.
Regards
 
Could be dust, ambient temps, maybe your setup uses different power saving settings to the auto and the auto caused some wear.
 
If the overclock is high then the degredation of the chip increases and it slowly requires more volts to keep the overclock.

Your 4.5 might be a sweet spot you found that still works, but the auto is starting to fail due to this reason.

Basically you wear the chip out.
 
bemaniac said:
Could be dust, ambient temps, maybe your setup uses different power saving settings to the auto and the auto caused some wear.
Click to expand...

it can't be dust as its watercooled and theres no temp rises same with ambient temps.

Thanks for the replies i will probably just stick with manual a raise the voltage when needed.
Regards
 
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