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3 Pin fan as CPU fan - Can't control it? - Page 2

post #11 of 25
Quote:
Originally Posted by iCrap;13810568 
Well you are right, they can never be EXACT. But also, its been proven that 2 simmilar fans can lower temps smile.gif

Thanks for clearing that up smile.gif might try is on my noctua then got space for 5 140mm fans on that FTW smile.gif lol
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post #12 of 25
Thread Starter 
Quote:
Originally Posted by darkstar585;13811140 
Thanks for clearing that up smile.gif might try is on my noctua then got space for 5 140mm fans on that FTW smile.gif lol
Oh yea on the D14 more fans can help ALOT. There is a thread somewhere on the best fans to use on it.
    
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post #13 of 25
When were you ever able to control fanspeed with that POS you are using as a mb? Mine can control pwm fans, and that's it. I was extremely unhappy when I learned of that limitation . . . AFTER I bought the accursed thing. I'd love to know how you had 3-wire fans controlled.

Are you sure you didn't have that Blade Master hooked up? It's a PWM fan.
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post #14 of 25
Thread Starter 
Quote:
Originally Posted by ehume;13817128 
When were you ever able to control fanspeed with that POS you are using as a mb? Mine can control pwm fans, and that's it. I was extremely unhappy when I learned of that limitation . . . AFTER I bought the accursed thing. I'd love to know how you had 3-wire fans controlled.

Are you sure you didn't have that Blade Master hooked up? It's a PWM fan.

Well i normally controlled 3pin fans just by 5v molex adapters or my NZXT sentry 2 (Im not even using it anymore)....
The POS asus Ai crap sort of controls 3 pin fans, if you use cha1 or cha2, it increases speed with load (Not as much)
And yes, when i had that blademaster on their it DID control it nicely.
    
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post #15 of 25
So do you have the cpu fans plugged into the chassis fan headers?

If not, there's your problem: only the chassis headers will do voltage control.

If you do have them plugged into the chassis fan headers and they still run max - does your room have a higher ambient now?
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post #16 of 25
Thread Starter 
Quote:
Originally Posted by ehume;13817318 
So do you have the cpu fans plugged into the chassis fan headers?

If not, there's your problem: only the chassis headers will do voltage control.

If you do have them plugged into the chassis fan headers and they still run max - does your room have a higher ambient now?

oh, yea i forgot to mention that. Now the CPU fans are powered via the Cha2 header i think, its the 3 pin header near the bottom right of the mobo.
Atm they are very quiet. Currently idling at 30c.

i have yet to do a load test after putting it on Cha2, and moving my PC back to where it belongs, but with them running at max, and with the PC in my basement (very cold) i got 15c ambient and i had 50c load.
    
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post #17 of 25
Quote:
Originally Posted by iCrap;13809854 
I just finished fully rebuilding my PC after a crash and fail.
After putting my modded 212+ back in everything is great EXEPT that i can't control my CPU fan anymore.
System is sig rig, and the CPU cooler looks like this now (the 2 fans are 3 pin and are on a splitter) i can see the RPM's but it just maxes all day long...

DSC_0009.JPG


Any way for me to control the fans via pc?

My motherboard, although I expect there are many more lets me control fans via the three pin adapter. How are you running dual fans? I have heard it reduces CFM?
post #18 of 25
Thread Starter 
Quote:
Originally Posted by InerTia*;13817457 
My motherboard, although I expect there are many more lets me control fans via the three pin adapter. How are you running dual fans? I have heard it reduces CFM?

Im using a homemade splitter, wires spliced together but only RPM sense from 1 fan (To avoid double readings). I don't think it reduces CFMs though, do you mean the fan is getting less power? or that running push pull actually lowers CFM?
    
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post #19 of 25
Quote:
Originally Posted by InerTia*;13817457 
My motherboard, although I expect there are many more lets me control fans via the three pin adapter. . . .

Do all MSI boards do this? Gigabyte boards do. As.s boards do not. Intel boards do not.
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post #20 of 25
i agree with darkstar585 putting about 2 inch pipes between the fans would work way better you could call it the [turbo tube]
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