[mythtv-users] Fancontrol with replaced CPU fan
Simon Hobson
linux at thehobsons.co.uk
Mon Oct 12 21:40:42 UTC 2009
Robin Hill wrote:
> > The chassis fan uses a 3 pin header but fancontrol is able control
>> that with PWM. However, my reading indicates that plugging a 3 pin fan
>> into the 4 pin header will not work. I believe it will just run full
>> blast all the time and won't have any PWM control. I am interested on
>> opinions about my existing options or any better ideas.
>>
>I'm surprised this works with the chassis fan - the 3 pin connectors are
>power + speed feedback (not control). I guess the motherboard allows
>the voltage to be controlled, which would alter the fan speed.
I'd assumed this was the way all fans worked in PCs - they do indeed
vary the voltage to vary fan speed.
--
Simon Hobson
Visit http://www.magpiesnestpublishing.co.uk/ for books by acclaimed
author Gladys Hobson. Novels - poetry - short stories - ideal as
Christmas stocking fillers. Some available as e-books.
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