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 Post subject: Case fan
PostPosted: Sat Jun 20, 2015 2:41 pm 
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Pilgrim
Pilgrim

Joined: Tue Jul 29, 2014 1:33 pm
Posts: 9
My first attempt at building a computer.

My case has two fans. One is on top, which draws its power from the front panel. It works fine.

The other is on the side and needs to be plugged into the motherboard. It has a 2-pin connector

My motherboard is a GA-F2A88X-D3H. It has, as far as I can tell, three fan headers. One is 3-pin, the other two are 4-pin.

See picture.

http://s9.postimg.org/i816h55dr/8747_big.jpg


Where do I connect my 2-pin fan?


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 Post subject: Re: Case fan
PostPosted: Sat Jun 20, 2015 3:46 pm 
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Mobo-fu Master
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Joined: Wed Nov 12, 2003 11:57 am
Posts: 20860
Location: 07438
The fan headers on a motherboard follow a 'standard', be it two wires, three wires or four. Look for a small pointer or the #1 print at the header, if concerned about polarity with some connections. But the header does have a bit of plastic standing on one side, to mate with a key on the fan plug.
http://www.allpinouts.org/index.php/Mot ... _Connector
Ensure that the CPU fan is connected to its dedicated header, as the BIOS monitors its speed.
It is best to have case fans feed directly from the PSU, less current draw through motherboard traces. Adapters are readily available and not expensive.

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