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Nvidia fan speed and control

post #1 of 9
Thread Starter 
I have (2) Nvidia GTX260's in SLI I just put into my new system. I have noticed from testing last night that these cards run HOT under load. Card #1 is running around 84C and Card #2 around 79C. I noticed that the fans seems to always be running at 40%. Is this right? I don't notice any variable fan speeds under load or idle so I'm guessing these cards are factory set at 40%. My question is do these temps, fan speeds seem right? Should I use Rivatuner to bump the cards upto say 80% while the system is running help keep them and my system a little cooler?
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post #2 of 9
You should set those fans run a little bit higher, because I'm not sure, but if you're not going higher than 100`C, it's okay.
post #3 of 9
I left GPUZ on while playing Crysis: Warhead for about an hour. After I quit the game, GPUZ indicated that my highest temps registered in the mid 90C. The cards are apparently capable of supporting up to 100C. Still, temps reaching the breaking point of the cards - unacceptable. Plus, it most likely effected frame rates.

RivaTuner can automatically moderate fan speeds and you can calibrate the fan to speed-up depending on video card temps. I did three profiles and instructed the video cards to run the fan speed at 60% when the temps reach 45-55c, increase the speed to 80% when the temps reach 56-65, and run at 100% when the temps reach 66-200C.

At default, I think my video card fans ran at 30% and never increased speed despite increased temps. A friend and I discovered this when we first built our computers back in Nov 2007.

Man did direct fan control on the RivaTuner make a difference!!!!!!!!! My GPU Idle temps dropped from 60-65C to 47-52C and Load temps dropped from 92-96C to a whopping 65-72C!!!

I recommend this for everyone, and should be considered as part of any overclocking template which will help with your problem!

You can download latest RivaTuner and get FAQs here;

http://www.guru3d.com/index.php?page=rivatuner

You can read a step by step Fan Profile Set-Up Guide, complete with pics here; (This guide is for someone that has one GPU. Note; for two GPUs, in SLI or Crossfire, when setting-up fan control, do it for both Core Temperature 0 and 1 to have the fans operational specific on both video cards)

http://www.vaguetech.com/index.php?pageid=rt207#fan
 
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post #4 of 9
When ever I stress my card I always turn the fan up to at-least 60% or more depending.Stressing/gaming will generate more heat output,are the cards oc'ed? But your temps are within range.
 
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post #5 of 9
If you have EVGA cards, you can get the precision tool, which lets you manually control all the clocks, and fan speeds.

It can be downloaded off of their website.
    
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post #6 of 9
You could try EVGA Precision, might work with your cards(You'll have to register to download) has overclocking utilities and fan control check here:
http://www.evga.com/precision/

good luck

Hey Deism we're thinkung alike missed by a few minutes :-)
Edited by badoldman - 12/18/08 at 9:38am
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post #7 of 9
Quote:
Originally Posted by BloodLust22 View Post
I have (2) Nvidia GTX260's in SLI I just put into my new system. I have noticed from testing last night that these cards run HOT under load. Card #1 is running around 84C and Card #2 around 79C. I noticed that the fans seems to always be running at 40%. Is this right? I don't notice any variable fan speeds under load or idle so I'm guessing these cards are factory set at 40%. My question is do these temps, fan speeds seem right? Should I use Rivatuner to bump the cards upto say 80% while the system is running help keep them and my system a little cooler?
Yes, gtx 260 crad from nvidia, like most of 200 series, have fan speed set to 40% and it is not changing even under high load ( this is 100% fact )
You MUST use other software to mnage your gpu fan speed.
I am doing this too, with gtx 280 card.

So the best deal ( trust me) is to use EVGA Precision ( this is not only for evga cards, jus for nvidia ) this is SUPER esy to use, and the best way is just set fan speed and save it under some button.

In my case: when i press "*" - fan speed is 90%
"-" - fan speed is 50 % (noice is almost unnoticeable, so i prefer 50 insted stock 40%)

I choose this kay because you almost never use it in games.

So IT depends on you. You can create even 10 different configs and link them to the keyboard buttons.
Every time you start playing you just push the button You HAVE control.
Ohh, and it tooks only 5 MB RAM of you resources, and its all operating systems compatybile ( 64 bit too )
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post #8 of 9
Thread Starter 
Yes, they are Superclocked EVGA's. I will try that tool from EVGA. My concern was my 8800's never seemed run this hot and they where OC'd to the breaking point. Plus I had a mid tower then which should of added to the heat. It all just seemed strange when I was running GPU-Z and saw those temps, I just wasn't expecting them to be that hot.
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post #9 of 9
Another idea is to clean out the dust from the card. I'm still stuck with my X850 which doesn't even have a program to change fan speed (have to use an older version of CCC) but it used to run at 50°C when gaming which all of a sudden jumped up to 95-100°C which confused me slightly so I cleaned out the dust of all my components and its back down to 50-60°C when gaming so try cleaning out the dust using compressed air and see what result you get.
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