https://forum.asrock.com/ Copyright (c) 2006-2013 Web Wiz Forums - All Rights Reserved. Wed, 22 Apr 2026 09:35:57 +0000 Fri, 16 Oct 2020 13:58:22 +0000 http://blogs.law.harvard.edu/tech/rss Web Wiz Forums 12.04 360 https://forum.asrock.com/RSS_post_feed.asp?TID=16978 https://forum.asrock.com/forum_images/web_wiz_forums_black.png https://forum.asrock.com/ https://forum.asrock.com/forum_posts.asp?TID=16978&PID=80682&title=chassis-fan-question#80682 Author: ASRock_TSD
Subject: 16978
Posted: 16 Oct 2020 at 1:58pm

Dear Darigaz,

Greetings, this is ASRock TSD.


Regarding question 1, the maximum current of CHA_FAN1 is one ampere.
Regarding question 2, CHA_FAN2 support 4-pin fan only.
If 3-pin fan is used, the fan speed cannot be controlled and only run at full speed.


Thanks!

All the best,
ASRock TSD
]]> Fri, 16 Oct 2020 13:58:22 +0000 https://forum.asrock.com/forum_posts.asp?TID=16978&PID=80682&title=chassis-fan-question#80682 https://forum.asrock.com/forum_posts.asp?TID=16978&PID=80678&title=chassis-fan-question#80678 Author: Darigaz
Subject: 16978
Posted: 16 Oct 2020 at 11:08am

Dear, I have two simple but important question for my B450M Pro4-F

1) The maximum current output CHA_FAN1 can be used?
2) Seems CHA_FAN2 cannot control the fan speed. Always full speed?

Regards.
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