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 Post subject: Semi passive cpu fan
PostPosted: Sun Oct 15, 2006 2:57 am 
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Joined: Tue Jan 13, 2004 8:09 am
Posts: 90
Hello,

I am planning to buy this motherboard: K8NF4G-SATA2.
I will undervolt and underclock the cpu.

I would like to have cpu fan always off until cpu reaches very high temperatures.

Is it possible? Does this motherboard supports pwm fan control? Or I need to buy another one?

Thanks in advance for any reply!


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 Post subject: Alternative motherboards
PostPosted: Sun Oct 15, 2006 4:21 am 
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Joined: Tue Jan 13, 2004 8:09 am
Posts: 90
In alternative, can you say me if you have obtained some good results with motherboards on this list?

http://www.geizhals.at/deutschland/?cat=mb754&sort=p&bpmax=&asuch=6100&filter=+Angebote+anzeigen+


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 Post subject:
PostPosted: Sun Oct 15, 2006 5:20 am 
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Joined: Tue Sep 20, 2005 6:55 am
Posts: 5085
Location: UK
K8NF4G-SATA2 does not support PWM fan control. Biostar Tforce 6100 has Smart Fan Control and allows underclocking/volting.


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 Post subject: Do I need a special fan?
PostPosted: Tue Oct 17, 2006 12:13 am 
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Joined: Tue Jan 13, 2004 8:09 am
Posts: 90
Ok thanks, I will search a tforce 6100. A little question, do I need a special pwm fan or a normal cpu fan can be controlled too?


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 Post subject:
PostPosted: Tue Oct 17, 2006 2:53 am 
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Joined: Tue Sep 20, 2005 6:55 am
Posts: 5085
Location: UK
Quote:
do I need a special pwm fan or a normal cpu fan can be controlled too?


Normal (3-pin) CPU fan can be controlled.


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 Post subject:
PostPosted: Fri Oct 20, 2006 12:41 am 
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Joined: Thu Sep 07, 2006 11:20 pm
Posts: 859
Location: Poland
recently i tried a revoltec fan controller - it made all of my fans (but one) whine and make loud, irritating noise when below full 12v - making it a useless p-o-s, grrr. pwm in itself seems to be fine but you've got to be lucky with your choice of fans as some are just not getting along with pwm. i was unlucky as only one fan in my collection (and i tried few brands and sizes and makes) was ok with pwm. i'm not sure tho if pwm though mobo works the same as pwm through a rheobus. anyway, what i'm saying is stay away from 3,5 revoltec pwn controllers - i talked to some people who had these and most of them experienced this kind of problem.

also, i guess there are special 4pin fans to work with pwm but they are v difficult to get as only one company makes them - it's been discussed somewhere here

hope my blabbing helps tho it's bit off-topic


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