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changing the fan speed on most nvidia video cards (includes fermi)

post #1 of 8
Thread Starter 
Today I got a GTX470.
and when the card is folding at full load it can git a bit hot.
unforchantly nvclook does not support that card like most newer cards
so after hours web browsing I found a way to change the fan speed thought the nvidia driver

open a Terminal an type
Quote:
sudo gedit /etc/X11/xorg.conf
and add this line
Quote:
Option "Coolbits" "5"
under
Quote:
Section "Device"
should look something like this




reboot your x server

then start up Nvidia x server setting
and look under the tab "Thermal Setting"
and you can change the fan speed

LL
LL
Edited by 3dfxvoodoo - 11/4/10 at 1:26am
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post #2 of 8
Awesome. This should help with the couple people who posted about not being able to adjust theirs. +rep
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post #3 of 8
Thread Starter 
bump

very useful info here
OoGhiJ MIQtxxXA
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post #4 of 8
Thread Starter 
bump
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post #5 of 8
Just learnt the same thing myself, though using coolbits 4, instead of 5. I cannot apply my fan speed speed at, or below 30% however (I want mine down, or off!) if anybody knows why this is i'd like to know. Fortunately - though I have not tried it - nvclock supports fan adjustments on my card, but i'm curious all the same.

(Btw, w/ option 1, a new section becomes available, allowing overclocking of the GPU.)
Edited by NirvanaII - 6/2/11 at 1:07pm
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post #6 of 8
Thread Starter 
Quote:
Originally Posted by NirvanaII;13727657 

(Btw, w/ option 1, a new section becomes available, allowing overclocking of the GPU.)

thinking.gif
I use 5 and can oc my gpu
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post #7 of 8
Does this still work?? I have to 480's and cant get the fan control to turn on.
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post #8 of 8
and if you need it here is a python script someone wrote to handle setting a fan speed profile
http://www.evga.com/forums/tm.aspx?m=903040&mpage=1
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