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Topic Title: System Fan connection
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Created On: 01/08/2006 06:28 PM
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 01/08/2006 06:28 PM
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HalfGeek
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Posts: 5
Joined: 01/07/2006

Off-topic really, but this came up as part of installing my new Sempron 2600+ [64] and Socket 754 motherboard. I hope someone here can give some information on this. I don't have enough information on the new (current) fan data connectors. I don't want to connect one wrong and blow something up. Probably not a big deal, really.

New Antec Power Supply has a 3-pin connector with blue + black wire. (Smart Power 2.0 series). Antec states it's a "fan signal connector" that enables monitoring fan speed via the BIOS.

Motherboard has a "system fan connector", I guess that's where the Antec's blue + black wire goes? True? This is different from the one that powers the processor cooling fan - that's another connector, with red-yellow-black wires.

I also have an added case fan, Antec (rear panel) with a similar 3-pin connector, having only 1 white wire. This fan also has a usual-type 4-pin power connector Fan's 3-pin connector could go on that mother board connector instead of the power supply one?? This would do what?

Thanks. I know this isn't AMD-specific, but I hope someone can help here.
 01/09/2006 08:16 AM
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r3sil3
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Joined: 10/05/2005

It doesnt matter wher eit goes, just the 3-pin on the motherbaord.

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 01/09/2006 10:04 AM
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boule
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Joined: 10/24/2005

The way I sees it, there are 2 kinds of 3pin connectors on the boards: the ones for monitoring, and the ones to power the fan.
The one for the cpu powers the fan.
The ones for PSU and case fans usually (but I think that can vary with the boards) monitors the fans, and can give you the option of controlling them.
Look at what the fan's manual say. If it says both the 3-pin and the 4-pin molex are power connectors, you have to chose one of them to get your fan working...

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