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Why does my crossfire overclock reset itself?

post #1 of 22
Thread Starter 
Asked this previously before but no one had an answer. Surely it can't only be me with this problem.

Any time I overclock my GPUs they automatically reset at random? Sometimes in the middle of my game they will just revert back to stock?
post #2 of 22
Bad overclock and the driver recovers?
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post #3 of 22
Thread Starter 
No, the driver doesn't recover. It just happens. No errors, no BSODs, no freezing, it just resets on its own.

The overclock was stable in a single card configuration. Unless when you move to dual GPU you can't get as high of an overclock?

BTW in single card I could get 970/1250 stable with each card and in crossfire I can't seem to go any higher than 900/1150
Edited by kiwiasian - 4/8/11 at 8:25pm
post #4 of 22
Well... it would happen if your PSU wasn't big enough and the cards detected it.... they have that capacity now. Check your 12v rails to make sure you've got even distribution and make sure you've got fresh air headed to both fans.
(just because a PSU can provide tons of power doesn't mean it always does it in a useful manner... I had one that supplied half its 12v to the mainboard only, you'd not believe some of the stories I used to hear about PSU manufacturers asking "how much do you want it to provide... how much do you want it to say it provides?")
Edited by prjindigo - 4/8/11 at 8:29pm
post #5 of 22
well mine did this with a 5970 and 5870 the way to fix it is load up ccc and reset it to stock then overclock with msi ab and set the clocks to load at boot with whatever voltage you change. That should keep them set tho if you go disabling and enabling crossfire they will reset to stock.
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post #6 of 22
Try different drivers/betas.
 
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post #7 of 22
Thread Starter 
Quote:
Originally Posted by Bal3Wolf View Post
well mine did this with a 5970 and 5870 the way to fix it is load up ccc and reset it to stock then overclock with msi ab and set the clocks to load at boot with whatever voltage you change. That should keep them set tho if you go disabling and enabling crossfire they will reset to stock.
You don't understand...
Yes, that's what I'm doing.
I'm overclocking as normal.
But it resets itself randomly.

I'm overclocking with Trixx, and it sets the clocks at boot. Everytime Windows boots up it says 900/1150, just like it's supposed to. After a while of using my PC I check my clocks again and it's 725/1000.

Quote:
Originally Posted by Blindrage606 View Post
Try different drivers/betas.
I've tried:
10.5
10.5a
(those two were regarded as the best drivers for crossfire....they were terrible)
10.12
11.1
11.1a
11.2 (thus far the most stable release*)
11.3
11.4 preview

None of which fixed the problem.

*not really the most stable because I've had so much problems with crossfire, but of all the drivers I've tried 11.2 has the least problems.
post #8 of 22
Or... just uninstall CCC altogether.

That's what I did.
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post #9 of 22
Thread Starter 
Quote:
Originally Posted by prjindigo View Post
Well... it would happen if your PSU wasn't big enough and the cards detected it.... they have that capacity now. Check your 12v rails to make sure you've got even distribution and make sure you've got fresh air headed to both fans.
(just because a PSU can provide tons of power doesn't mean it always does it in a useful manner... I had one that supplied half its 12v to the mainboard only, you'd not believe some of the stories I used to hear about PSU manufacturers asking "how much do you want it to provide... how much do you want it to say it provides?")
BIOS doesn't show anything fishy about the 12v volts.
Should I pull out my multimeter and check a molex connector?
post #10 of 22
Thread Starter 
Quote:
Originally Posted by Bo_Punk_2.0 View Post
Or... just uninstall CCC altogether.

That's what I did.
I never thought of that.
Uh, I'll try that right now.

(What about CAPs..? And driver optimizations?)
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