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Chassis fan speed control (PWM) - AB350M

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=9851
Printed Date: 18 Jul 2025 at 3:34pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com


Topic: Chassis fan speed control (PWM) - AB350M
Posted By: billiegdjoe
Subject: Chassis fan speed control (PWM) - AB350M
Date Posted: 08 Oct 2018 at 10:30pm
" rel="nofollow - Hi,

I´m using latest BIOS and want to put the CPU fan and chassis fan (4 pins - PWM) to rotate in the same degree, but even when I choose in BIOS to both use the same sensor (CPU) and same behavior (NORMAL), the CPU fan changes accordingly with the load and temperature, which is fine, but the chassis fan stays in the same rotation all the time, ignoring it. I want to put both fans to change rotation in the same way, but its not happening. Any help?


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