Print Page | Close Window

AB350m PRO4 3pin voltage control

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=7680
Printed Date: 04 Nov 2025 at 11:57am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com


Topic: AB350m PRO4 3pin voltage control
Posted By: destroyer25t
Subject: AB350m PRO4 3pin voltage control
Date Posted: 15 Feb 2018 at 3:30pm
" rel="nofollow - Hi. I bought new AB350m Pro4 and 2 chassis fans - one with 4pin connector and another one with 3pin. I connect it to corresponding slots aaand i've got very noisy fan at 3pin. The cooler rotates at maximum revs. On our mobo - can we regulate speed of 3pin fan??


Replies:
Posted By: Stefan75
Date Posted: 15 Feb 2018 at 7:58pm
The fourth pin controls the speed of 12V fans using PWM signal.
If you connect a 3 pin fan it will get full 12V.

Controlling fans with 3 pins is done by lowering the voltage.

I doubt a board will do both unless there's a toggle in the settings.


-------------
http://cellarcinema.info

Posted By: destroyer25t
Date Posted: 15 Feb 2018 at 10:13pm
" rel="nofollow - But i would try it. Where are these settings?


Print Page | Close Window

Forum Software by Web Wiz Forums® version 12.04 - http://www.webwizforums.com
Copyright ©2001-2021 Web Wiz Ltd. - https://www.webwiz.net