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How can I regulate fan speed?

post #1 of 15
9/16/09 at 6:31pm
Thread Starter 
Specifically on the fan on my cpu cooler. (http://www.sidewindercomputers.com/pa12ulqu.html)

But also for my three case fans. (CM HAF 922)

Thanks!

(without buying external controllers)
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post #2 of 15
9/16/09 at 6:33pm
BIOS should have fan settings, those are only for fans plugged into the motherboard.

If not you need a fan controller
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post #3 of 15
9/16/09 at 6:35pm
You should be able to control the fan on your cpu in the bios, or with a program similar to speedfan. To get something to control the speed of those fans go here.
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post #4 of 15
9/16/09 at 6:36pm
Yeah you need a fan controller.

It's basically like a drive that goes into your 3.5" slot (floppy) or 5.5" slot (DVD/CD) that has knobs on it to adjust the speed of any fan you hook up to it. For your CPU cooler specifically there are programs that can do it for you.
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post #5 of 15
9/16/09 at 6:42pm
Quote:
Originally Posted by SkillzKillz View Post
Yeah you need a fan controller.

It's basically like a drive that goes into your 3.5" slot (floppy) or 5.5" slot (DVD/CD) that has knobs on it to adjust the speed of any fan you hook up to it. For your CPU cooler specifically there are programs that can do it for you.
As long as the pins are 4 pin connectors you won't need to as 3 pins you can't control speed but with 4 you can.
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post #6 of 15
9/16/09 at 6:42pm
Fan Controllers are the only sure-fire way to regulate fan speed, thats why they exist

*edit* to quote Jshay, it needs to be a 4-pin connection on the Mobo/Fan which isn't that common.
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post #7 of 15
9/16/09 at 7:03pm
Check these bad boys out and they are a great price.

Silver:
http://www.jab-tech.com/Sunbeam-Chro...r-pr-3145.html

Black:
http://www.jab-tech.com/Sunbeam-Chro...k-pr-3146.html
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post #8 of 15
9/19/09 at 3:27am
Edit: nvm
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post #9 of 15
9/19/09 at 5:16pm
Some motherboards can control 3-pin fans by modulating voltage, the same method that external fan controllers use. I know mine can.
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post #10 of 15
9/20/09 at 1:46am
Quote:
Originally Posted by aph View Post
Some motherboards can control 3-pin fans by modulating voltage, the same method that external fan controllers use. I know mine can.
Aph, any idea what setting would this be under in bios? And do you know how much speed will increase if you raise (x) voltage?
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