970A-G/3.1 CPU Header
Printed From: ASRock.com
Category: Technical Support
Forum Name: AMD Motherboards
Forum Description: Question about ASRock AMD motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=2962
Printed Date: 06 Jul 2024 at 7:44am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: 970A-G/3.1 CPU Header
Posted By: nkata
Subject: 970A-G/3.1 CPU Header
Date Posted: 01 Jul 2016 at 5:38pm
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Please can someone tell me if this fan header is true PWM (temperature) or voltage controlled. The manual says 'quiet' fan header. Many thanks, andy.
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Replies:
Posted By: Xaltar
Date Posted: 01 Jul 2016 at 5:52pm
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If it is the CPU1 header you are talking about then yes it is a true PWM controlled header. ------------- 
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Posted By: nkata
Date Posted: 01 Jul 2016 at 7:09pm
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Thank you, I am just considering how best to control all the fans using PWM. I am thinking along the lines of a Phanteks PWM Hub controlled from the CPU1 4-pin header. |
Posted By: parsec
Date Posted: 01 Jul 2016 at 11:05pm
I've heard the Phanteks PWM Hub that comes with their cases works fine. But according to what I've read, this hub actually uses voltage control to change the fan speeds. So while it is connected to and controlled by a four pin PWM fan header, its control is not PWM, but standard voltage control. That's not a problem according to the users of this fan hub. ------------- http://valid.x86.fr/48rujh" rel="nofollow"> 
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nkata wrote: