https://forum.asrock.com/ Copyright (c) 2006-2013 Web Wiz Forums - All Rights Reserved. Mon, 22 Jun 2026 04:09:13 +0000 Wed, 14 Aug 2019 04:29:07 +0000 http://blogs.law.harvard.edu/tech/rss Web Wiz Forums 12.04 360 https://forum.asrock.com/RSS_post_feed.asp?TID=12194 https://forum.asrock.com/forum_images/web_wiz_forums_black.png https://forum.asrock.com/ https://forum.asrock.com/forum_posts.asp?TID=12194&PID=66610&title=x470-case-fan-curious-behavior#66610 Author: butchboy
Subject: 12194
Posted: 14 Aug 2019 at 4:29am

HA. Google is my friend. I guess the Taichi x470 MB can regulate the voltage of the case fan ports, and thus control the speeds of the 3-pin fans.]]> Wed, 14 Aug 2019 04:29:07 +0000 https://forum.asrock.com/forum_posts.asp?TID=12194&PID=66610&title=x470-case-fan-curious-behavior#66610 https://forum.asrock.com/forum_posts.asp?TID=12194&PID=66609&title=x470-case-fan-curious-behavior#66609 Author: butchboy
Subject: 12194
Posted: 14 Aug 2019 at 4:22am

I am seeing unexpected, but welcomed behavior with my non-pwm case fans (Corsair AF120 LED 3-pin). I have them connected to the X470 Taichi Case_Fan2 port and expected them to be spinning at 100% all the time. However, it seems that I can control them with Asrock's A-Tuning. As I play with the fan curve, the speed of the fans increase/decrease accordingly and the fan's LEDs get brighter/dimmer as well.

Was I mistaken believing that a 3-pin fan's power is fixed?]]> Wed, 14 Aug 2019 04:22:29 +0000 https://forum.asrock.com/forum_posts.asp?TID=12194&PID=66609&title=x470-case-fan-curious-behavior#66609