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six pin fan connector wiring

Last response: in Components
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December 4, 2013 2:45:31 PM

I have an old HP proliant ml150 g6 that I am going to use for handbrake encoding. It was originally a single quad core cpu. I bought two second hand 5540 xeons, when I installed them the server now requires another system fan to be installed, I have plenty of pwm fans and would like to use one of these rather than buying a $30 fan.
However when I plugged the pwm fan into the fan header the fan does not work. I'm thinking that it is the wiring but I'm not familiar enough with wiring to figure it out and I don't want to burn anything out. Connector on the motherboardthe pwm fan that I would like to usethe connector on one of the existing fans

Best solution

a c 98 V Motherboard
December 4, 2013 3:57:56 PM

They should be:

Black = ground
Orange = open-collector tachometer
Red = +12 VDC
Yellow = open-collector, low-pass/high-fail, trip-point (speed) and locked rotor alarm
Blue = ground
Green = pulse-width modulated speed control

Mark
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December 4, 2013 5:51:28 PM

markwp said:
They should be:

Black = ground
Orange = open-collector tachometer
Red = +12 VDC
Yellow = open-collector, low-pass/high-fail, trip-point (speed) and locked rotor alarm
Blue = ground
Green = pulse-width modulated speed control

Mark

Ah, thank you! Using what you said and a pwm wire diagram I was able to get them to work properly.
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a c 98 V Motherboard
December 5, 2013 5:28:04 AM

Outstanding! Glad it worked out for you.

Mark
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