[SOLVED] Power fan connector

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skyhawk_355

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Feb 16, 2003
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On my giga-byte mobo, ga7dxr+, there is a white, 3-pin, connector marked "pwr fan" which looks like a fan connector.
Can someone tell me what this is and the correct usage for it?
Been to giga-byte site & looked thru my documentation but have not found explanation.

Skyhawk_355



This rig: Giga-byte GA7DXR+ m/b, Athlon xp2000, 512mb pc2100, WD100gb-8mb [email protected], geforce4-ti4200-8x, Viewsonic PF790, USR 56k v90, SB Audigy Plat, Plextor 24x10x40, Pioneer 16x dvd rom, m/s k/b pro, m/s optical mouse, win98se & $695.00 Biofit ergo exec. chair from my closed to go to mexico workplace. (part of severance pkg hehe)
 
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Some power supplies have a fan connector that you can connect through the motherboard, allowing you to monitor the PSU fan RPM's. It's basically just another fan port, and you can use it for any fan in your case, it doesn't have to be from the PSU.
 

skyhawk_355

Thread Starter
Joined
Feb 16, 2003
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169
McTimson,

I thought that was it but, I guess I just look too hard at everything. (or am just ignorant)
I look at the obvious and I think; does that have sufficient ampacity? Is it analog or digital? Is it for peripheral power or just tach? etc. Is it some proprietary connector for giga-byte use?
So, thank you for your information.

Skyhawk_355
 

JohnWill

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Oct 19, 2002
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Fans typically consume from 2 to 4 watts, and the MB connectors are up to the task of providing that amount of power. :) The benefit of using them is the speed monitoring.
 
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The connector is an electrical 12v current (red +, black ground) and the yellow one is an analogic speed measurament.
This kind of connector is standard; if you want a case fan, it will came with this connector, and you'll be able to monitor it's speed in RPM in the bios or using some software as "Motherboard Monitor" (http://mbm.livewiredev.com)
 
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