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can you change the fan speed of the corsair h100 in your motherboards bios ?

post #1 of 10
Thread Starter 
I just installed a corsair h100 and on the pump it self I have the speed set to the 3rd setting the highest setting and i can hear the fan speed change from time to time . is this normal ? or is my corsair h100 defected ? the fans on the corsair h100 are not pwm fans .
    
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post #2 of 10
Quote:
Originally Posted by orndorf77 View Post

I just installed a corsair h100 and on the pump it self I have the speed set to the 3rd setting the highest setting and i can hear the fan speed change from time to time . is this normal ? or is my corsair h100 defected ? the fans on the corsair h100 are not pwm fans .

Have you turned off the cool and quiet and other power savings features in the bios?
   
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post #3 of 10
Thread Starter 
Quote:
Originally Posted by Ultisym View Post

Have you turned off the cool and quiet and other power savings features in the bios?
I have the bios set to optimized default
    
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post #4 of 10
So the fan is running up and down? what is it plugged into? A cpu fan channel? If so, put it on a chassis fan and it should stay at a constant RPM
post #5 of 10
If I'm not mistaken, this is normal...the fan speeds are adjusted depending on the coolant temperature like this graph shows (linky):


Edited by francisw19 - 3/12/14 at 9:57am
post #6 of 10
Thread Starter 
Quote:
Originally Posted by 15goudreau View Post

So the fan is running up and down? what is it plugged into? A cpu fan channel? If so, put it on a chassis fan and it should stay at a constant RPM
i like that the fans are quiet i am just not sure if the fans are supposed to speed up and slow down by them selves . because the fan speed control is on the cooler it self and the fans are not pwm
    
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post #7 of 10
You can always get a fan controller and hook it up through that. What is probably happening is the pump is sending a corresponding drop in voltage to the fan so that the ratio mimics that of what a cpu fan would be doing.
post #8 of 10
Thread Starter 
Quote:
Originally Posted by francisw19 View Post

If I'm not mistaken, this is normal...the fan speeds are adjusted depending on the coolant temperature like this graph shows (linky):

I returned my refurbished corsair h100 and bought a brand new corsair h100i it is quiet and my max temp under 100% load prime 95 test was 66c and average temp is 64c
    
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post #9 of 10
on the h100 the speed selector is for the fans not the pump. the pump runs at 100% rpm/speed as long as it gets power.
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post #10 of 10
The link software for the H100i will give you several options on cooling curves for your fan setups as indicated in your graph, and you can do a custom curve.
Edited by Ultisym - 3/13/14 at 6:21am
   
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