Re: Rear fan spins, front does not?

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Article #3436

#3436

From: Karl Dieter
Date: Tue, 25 Sep 2001 05:49

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The sensor is on the MOBO.  Basically, the fan sends it's RPM to the MOBO,
then to the SMSC controller.  The sensor is placed near the fan plug header,
and the sensor controls the voltage that gets sent to the fan.  What is
happening is the sensor for the front fan never gets hot enough to send any
voltage to the fan.  Where-as the sensor for the rear fan, is at the top of
the case where the heat is, and naturally, gets hot and kicks off the rear
fan to exhaust the air.

This is fine and I can see how it's meant to work, but it's pointless having
a fan in the front when it rarely ever starts.  Most of the time, my system
is using the rear fan to exhaust air.  I do have a couple of Panaflo fans
(120x120x38mm) that plug directly into the PSU, they work tremendously, but
they are loud.  I can't hear the TV 5-feet away with these things.

So because of that, I opted for the current setup (Nidec 120x120x25mm),
these fans plug directly into the MOBO.

Bit annoying...

~ K ~

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Subject: Re: Rear fan spins, front does not?
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