Swapping connectors on cooling fans.

TechnoCorruption

TechnoCorruption

TechnoCorruption

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9 May 2005
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I have 3 fans in my case that have red and black wires going into molex plugs, what I want to do is convert the connectors to the 3 pin motherboard ones.

I am sure that the wires are the same, red being 12v on both connectors and the black being ground? So can I just cut the molex off and re-connect a 3 pin onto the end?

I have checked that the fans are within the motherboards power limits so no problems there. The other question I have is that there is no yellow rpm wire on the fans, can I still regulate the power to each fan through the motherboards controls even though its not reporting the speed?
 
Thanks for the quick reply w3bbo, just out of interest what is the best way of connecting a 3 pin onto the end? I don't have the tools to be able to swap the wires into the pins as it looks quite fiddly.

Will I be alright just using one of those electrical joining blocks where you undo a screw in the middle of the plastic rectangle, slot the wire from the fan in one end and the wire from the 3 pin in the other and do up the screw.

I apologise in advance for my poor explanation but I can't think what the above are called :p


Edit: I found on the net that these are called wire strip terminals and that they are suitable for what I am wanting to do.

My last question is would I be able to do the same thing to my video card fan and plug that into the motherboard to control it, I have a X1650pro and the fan is at full blast all the time. It has red, black and yellow connectors like a normal case fan.
 
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If it is the same size connector there is a good chance it will be fine on the motherboard. However it's maybe running at full speed for a reason. Have you tried using rivatuner to lower the fan speed?
 
Yes I did try rivatuner but there are no options there to change the fan. I think being as it is made by Powercolor it is probably similar to the 3850/3870's in the fact that the fan runs at full speed due to the removed fan controls.
 
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