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Antec Three Hundred Case Fan & Asus P8P67 Pro

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March 28, 2011 3:19:07 PM

I had no problem hooking up my CPU cooler fan from Hyper 212 plus to my board.

But when I try to plug in my case fans to the motherboard they won't turn on.
What is going on?

They do work. They start up fine when plugged directly into the PSU, but I want to be able to control them through the motherboard. What's going on here?
a b V Motherboard
March 28, 2011 3:24:03 PM

those fans run off the molex four pin connectors, they can't be attached to your mobo without adapters
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March 28, 2011 3:31:14 PM

I have some adapters that came with my psu (HX750W), which are called floppy connectors. Can be seen here: Floppy x2

4 pin to smaller 4 pin.

These aren't for fans?
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a b V Motherboard
March 28, 2011 3:45:26 PM

those are for floppy disk drives, why new PSU still come with them is beyond me.
i just replaced my antec fans in my case with enermax TB silence ones. as is those antecs come with a three speed control. any particular reason why you want mobo control of them?

by the way, very nice PSU
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March 28, 2011 3:51:03 PM

Well, I like the how my CPU fan's RPM changes based on CPU workload, so I just thought maybe I'd like it if all the cases fans changed RPM's based on workload. Right now I just have them set on low.

Asus has a program that controls case fans based on temps. I was going to use that.

Would it be a better option to just leave them as is on low?
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a b V Motherboard
March 28, 2011 4:01:02 PM

pmhabo said:
Well, I like the how my CPU fan's RPM changes based on CPU workload, so I just thought maybe I'd like it if all the cases fans changed RPM's based on workload. Right now I just have them set on low.

Asus has a program that controls case fans based on temps. I was going to use that.

Would it be a better option to just leave them as is on low?


yeah. they move plenty of air on low. i have two antec Blue LED ones in front of my case. they are connected to my mobo but their fan controller overrides them anyway.

http://www.newegg.com/Product/Product.aspx?Item=N82E168...

as exhaust I have the enermax 120 & 140mm
http://www.kitguru.net/components/cooling/zardon/enerma...
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March 28, 2011 4:11:21 PM

ct1615 said:
yeah. they move plenty of air on low. i have two antec Blue LED ones in front of my case. they are connected to my mobo but their fan controller overrides them anyway.


So if I was to put the fans on high settings, then plug them into my motherboard, will the motherboard auto control them like it does for my cpu cooler fan or not?
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a b V Motherboard
March 28, 2011 4:21:30 PM

the fan controller over rides the mobo.
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March 28, 2011 4:41:14 PM

ct1615 said:
the fan controller over rides the mobo.


So I can't even let the mobo control the fan even if i wanted to...
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a b V Motherboard
March 28, 2011 4:48:49 PM

it just defaults to the low-medium-fast setting

you would need a fan without a controller that plugs into your mobo (like the enermax i linked above). i don't understand this obsession with mobo fan control? the fans that come with the 300 are solid and do the job on low settings.
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March 28, 2011 5:06:16 PM

ct1615 said:
it just defaults to the low-medium-fast setting

you would need a fan without a controller that plugs into your mobo (like the enermax i linked above). i don't understand this obsession with mobo fan control? the fans that come with the 300 are solid and do the job on low settings.



haha, not an obsession. I'm going to leave them on low hooked up to the psu and not even bother doing anything else.
I just wanted to tinker with the ASUS fan controller software for shits and giggles, but I guess it wouldn't work anyway, so no point.
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