https://forum.asrock.com/ Copyright (c) 2006-2013 Web Wiz Forums - All Rights Reserved. Wed, 15 Jul 2026 05:31:59 +0000 Fri, 19 May 2023 15:23:57 +0000 http://blogs.law.harvard.edu/tech/rss Web Wiz Forums 12.04 360 https://forum.asrock.com/RSS_post_feed.asp?TID=25907 https://forum.asrock.com/forum_images/web_wiz_forums_black.png https://forum.asrock.com/ https://forum.asrock.com/forum_posts.asp?TID=25907&PID=104898&title=wp-voltage-controlling-issue#104898 Author: nsns
Subject: 25907
Posted: 19 May 2023 at 3:23pm

No need for that, bcs pump is working, ok?
There is simple DC motor in pump that support voltage from 6-13v and rpm of the pump can be lowered by decreasing voltage, simple as that.

I will tray to hook the pump to the psu directly with 12v--->9v regulator between them and if
that is working then problem is in Asrock voltage regulatorfor WP header.

]]> Fri, 19 May 2023 15:23:57 +0000 https://forum.asrock.com/forum_posts.asp?TID=25907&PID=104898&title=wp-voltage-controlling-issue#104898 https://forum.asrock.com/forum_posts.asp?TID=25907&PID=104893&title=wp-voltage-controlling-issue#104893 Author: The_Nephilim
Subject: 25907
Posted: 19 May 2023 at 1:51am

hmm well I am not sure how that works but maybe try and ask the pump manufacter.]]> Fri, 19 May 2023 01:51:41 +0000 https://forum.asrock.com/forum_posts.asp?TID=25907&PID=104893&title=wp-voltage-controlling-issue#104893 https://forum.asrock.com/forum_posts.asp?TID=25907&PID=104891&title=wp-voltage-controlling-issue#104891 Author: nsns
Subject: 25907
Posted: 19 May 2023 at 12:50am

You are correct, but I am not trying to control the pump with PWM but with voltage control (DC).

https://www.linkpicture.com/q/Capture_127.jpg
]]> Fri, 19 May 2023 00:50:23 +0000 https://forum.asrock.com/forum_posts.asp?TID=25907&PID=104891&title=wp-voltage-controlling-issue#104891 https://forum.asrock.com/forum_posts.asp?TID=25907&PID=104889&title=wp-voltage-controlling-issue#104889 Author: The_Nephilim
Subject: 25907
Posted: 19 May 2023 at 12:37am

well if it is anythnig how a PWM fan is controlled you need a 4 pin small connector that goes to the motherboard..

From what you say it only has 3. I could be wrong but I think that is what might be the problem. ]]> Fri, 19 May 2023 00:37:53 +0000 https://forum.asrock.com/forum_posts.asp?TID=25907&PID=104889&title=wp-voltage-controlling-issue#104889 https://forum.asrock.com/forum_posts.asp?TID=25907&PID=104888&title=wp-voltage-controlling-issue#104888 Author: nsns
Subject: 25907
Posted: 18 May 2023 at 9:35pm

The profiles should regulate speed by decreasing voltage because I set Water Pump/DC mode for that header. The MB does support voltage regulating for water pumps. But something is not working as it should.

The pump has a Molex connector for power with 2 wires and one wire in 3 pin connector for reading speed and is connected to MB trow adapter 3pin-12v-to-4pin-molex-12v

]]> Thu, 18 May 2023 21:35:09 +0000 https://forum.asrock.com/forum_posts.asp?TID=25907&PID=104888&title=wp-voltage-controlling-issue#104888 https://forum.asrock.com/forum_posts.asp?TID=25907&PID=104883&title=wp-voltage-controlling-issue#104883 Author: The_Nephilim
Subject: 25907
Posted: 18 May 2023 at 8:27pm

Yes that is wierd. I am unsure if the profiles are gonna regulate the speed of the pump.. does the pump have a 4 pin connector?]]> Thu, 18 May 2023 20:27:27 +0000 https://forum.asrock.com/forum_posts.asp?TID=25907&PID=104883&title=wp-voltage-controlling-issue#104883 https://forum.asrock.com/forum_posts.asp?TID=25907&PID=104881&title=wp-voltage-controlling-issue#104881 Author: nsns
Subject: 25907
Posted: 18 May 2023 at 6:22pm

Hi,

I'am talking about pump speed, now it's set full speed and the problem is as described if i chose something other then that.
The pump doesn't reduce speed in other profiles only shuts down and power up in full speed after some period. ]]> Thu, 18 May 2023 18:22:11 +0000 https://forum.asrock.com/forum_posts.asp?TID=25907&PID=104881&title=wp-voltage-controlling-issue#104881 https://forum.asrock.com/forum_posts.asp?TID=25907&PID=104871&title=wp-voltage-controlling-issue#104871 Author: The_Nephilim
Subject: 25907
Posted: 18 May 2023 at 5:01pm

Hello, are you referring to the fans or the pump speed to circulate the water?]]> Thu, 18 May 2023 17:01:39 +0000 https://forum.asrock.com/forum_posts.asp?TID=25907&PID=104871&title=wp-voltage-controlling-issue#104871 https://forum.asrock.com/forum_posts.asp?TID=25907&PID=104867&title=wp-voltage-controlling-issue#104867 Author: nsns
Subject: 25907
Posted: 18 May 2023 at 8:15am

Hello,

My MB is B460M-ITXac, after installing a custom loop with a Laing DDC water pump, the pump can only operate at full speed.

If I chose something other than full speed in BIOS (performance, standard or silent) the pump randomly shuts down and starts again after 15-20sec maybe more at full speed again, and then repeats the process.

The pump is Laing DDC pump 12V DDC-1RT with a max power consumption 13.08W and it's connected to CHA_FAN1/WP header.




]]> Thu, 18 May 2023 08:15:44 +0000 https://forum.asrock.com/forum_posts.asp?TID=25907&PID=104867&title=wp-voltage-controlling-issue#104867