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Something strange with 6600gt

post #1 of 11
Thread Starter 
I have a gigabyte 6600gt with stock cooling, soon to be mated with a zalman cooler, (thanks for the tips guys), and have been noticing that I can't seem to operate my graphics card properly once it hits 65.C. I have searched on some forums to see if anything can help me out but can't seem to find anything specific.
i have been told that it should be okay to run at 65.c but whenever I have any games or 3d apps running it crashes to desktop as soon as it hits 65.C.

Is there a way I can solve this problem besides adequate cooling? or is it something that gigabyte have done? Or is it that I have broken my card and need to sell my kids so i can afford a new one.
Any help/suggestions would be great.
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post #2 of 11
If the vid card is overclocked then put it all back to stock speeds and see how it goes then? If it is not overclocked then there could be a problem, 65C for a vid card is not all that warm.


YAY another Aussie
go to this link mate
http://www.overclock.net/off-topic/8...post-here.html
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post #3 of 11
Thats funny if you are oced with that card it could be causing instablity but as said before 60deg is not all that hot for a g-card at all
post #4 of 11
Thread Starter 
It was oc'd at 590/1120 stock cooling. I didn't think would be a massive issue causing my computer to ctd but i guess i am still a beginner when it comes to this stuff. sorry a 'noob' now i feel 'L337' really....sorry, some customers at my work keep thinking they are cool by talking all l33t like it frustrates me.
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post #5 of 11
590/1120 stock cooling that seems a bit to much for the core. when i go past 565 i get artifacts in atitool
post #6 of 11
My 6800 used to do the same thing. It was because the card was programmed to throttle at 65°C in the BIOS. I edited the BIOS and locked the card to one performance level and it solved the issue.
post #7 of 11
Is it the 128MB card? If it is, 590 is a bit much. I would leave the memory where it is though. I had mine clocked 555/1190 for every day use. I have had it to 590/1200 but there was no increase in performance. (this is my old card I am talking about)

If it is a 256MB card those clocks are extremely high, turn it down now.
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post #8 of 11
Thread Starter 
It is the 128 version. I think i was on the assumption that my card could overclock lots. guess I was wrong. Oh well, nothing ventured, nothing gained. just wondering though, what does locking the bios on one performance level do and is it something I might tinker with?
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post #9 of 11
I don't know about the card bios but go to the temperature setting for the card and set the core slowdown threshold. Don't go too high though. Mine is still stock @ 125C I sure hope I don't get it that hot.
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post #10 of 11
Quote:
Originally Posted by nemeseeesss
It is the 128 version. I think i was on the assumption that my card could overclock lots. guess I was wrong. Oh well, nothing ventured, nothing gained. just wondering though, what does locking the bios on one performance level do and is it something I might tinker with?
The card has 3 performance levels set in the BIOS:

1. 2D
2. 3D
3. Throttled 3D

Mine, when hitting 65°C, would attempt to throttle to level #3. This caused a crash to desktop and no fun. I did a little research and found out that with Nibitor (nvidia BIOS editor) you can "lock" the card to one performance level eliminating #1 and #3 from the list. The card will no longer throttle as it can't. So in the end the card runs at your 3D speeds all the time. This doesn't in any way hurt the card and actually improves performance. For example when exiting games, the card doesn't have to switch back to 2D mode.
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