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08-19-2006, 12:11 PM
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#1 |
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Member (4 bit)
Join Date: Aug 2006
Posts: 15
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powering my cpu fan
Recently I bought the parts to build my first computer, everything went well until I had to connect the cpu fan which was a 3 pin cable. The port next to my cpu on my mobo is 4 pin. On the other side of my mobo (where the cpu fan cable won't reach) are two 3 pin ports. Could I power one of my case fans and then use the adapter that they were using ( to plug into 4 pin cables) to power my cpu fan?
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08-19-2006, 12:24 PM
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#2 |
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Shiro Usagi
Premium Member
Join Date: Sep 1999
Location: Kaneohe, Hawaii
Posts: 34,002
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You can plug the 3 pin connector to the 4 pin header, just check the motherboard manual for the correct orientation. The extra wire is for fan speed control. If you have a Intel CPU and heatsink, you can read about it here.
 Cricket
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08-19-2006, 02:00 PM
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#3 |
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Member (4 bit)
Join Date: Aug 2006
Posts: 15
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My mobo says:
Pin 1 - Ground Pin 2 - Smart Fan Control Pin 3 - FAN RPM rate sense Pin 4 - Smart fan control This would mean that I don't have to put anything into pin 3? How would that work? *edit* Maybe it means that I dont have to put anything into pin 4 since it already has one smart fan control and pin 4 controls the bells and whistles? Last edited by michaelt196; 08-19-2006 at 02:11 PM. |
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08-19-2006, 02:19 PM
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#4 |
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Shiro Usagi
Premium Member
Join Date: Sep 1999
Location: Kaneohe, Hawaii
Posts: 34,002
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You can use a 3 pin fan connector on a 4 pin header, you just have to find out which pins to connect to. From what you posted it looks like you can skip pin 4.
Cricket
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08-19-2006, 02:21 PM
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#5 |
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Member (4 bit)
Join Date: Aug 2006
Posts: 15
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Thanks for the help
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