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 Post subject: Noctua DH-14: Stock fan control
PostPosted: Thu Aug 09, 2012 3:12 pm 
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Joined: Wed Oct 22, 2003 3:08 am
Posts: 79
Hi there all,

Has anyone out there in SPCR land tried to slow up the Noctua DH-14 stock fans via attaching them to a fan controller or controlling via software ?

I notice that my DH-14 maxes out under 100% CPU load at the low to mid 50c mark.. that leaves a LOT of headway.. I would like to try to slow the fans up yet again to quiet them down at the sacrifice of some slightly higher temps. Anyone tried something similar ?

Chris


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 Post subject: Re: Noctua DH-14: Stock fan control
PostPosted: Sat Aug 11, 2012 2:10 am 
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Joined: Fri Sep 16, 2005 4:14 pm
Posts: 128
Location: My desk
What you're asking for here is trivial under Linux using fancontrol. See, https://wiki.archlinux.org/index.php/Fan_control

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 Post subject: Re: Noctua DH-14: Stock fan control
PostPosted: Sat Aug 11, 2012 6:51 am 
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Joined: Thu Nov 13, 2003 3:59 pm
Posts: 49
Location: Toronto, Canada home of the no left turn sign
Have mine hooked up to SpeedFan based on the excellent tutorial on this site. Running basically 40% at idle and then ramping up.
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 Post subject: Re: Noctua DH-14: Stock fan control
PostPosted: Sat Aug 11, 2012 7:42 am 
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Joined: Mon Jun 18, 2012 12:29 pm
Posts: 17
These options would only work if your motherboard supports voltage control on CPU fans, because NH-D14 comes with regular non-PWM fans. You could try using the resistor cables that come with it. And the fan controller is not an easy option either, most motherboards don't boot if you don't have an operational fan connected to the CPU fan header.


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 Post subject: Re: Noctua DH-14: Stock fan control
PostPosted: Sat Aug 11, 2012 10:26 pm 
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Joined: Mon Dec 28, 2009 1:42 am
Posts: 345
Location: Australia
crashed wrote:
most motherboards don't boot if you don't have an operational fan connected to the CPU fan header.

In my experience, Gigabyte boards are the least fussy when it comes to using fan headers.

With Asus boards, you should be able to disable the CPU fan alarm in the UEFI, although I didn't have any success doing this with my P8Z68-V -- the CPU fan alarm still pops up and prevents the system from booting. :( To get around this, I simply connected one fan to the CPU fan header, with a resistor to lower the fan speed. And then used the CHA_FAN headers to control the other fans. With Asus boards, the CPU fan header can only control 4-pin PWM fans, while the other headers can control both 3-pin voltage and 4-pin PWM fans.


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