Intel Motherboards - Workaround for Missing Temp Headers on Z490 Aqua?

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Workaround for Missing Temp Headers on Z490 Aqua?

Printed From: ASRock.com
Category: Technical Support
Forum Name: Intel Motherboards
Forum Description: Question about ASRock Intel Motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=16821
Printed Date: 06 Nov 2025 at 3:17am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: Workaround for Missing Temp Headers on Z490 Aqua?

Posted By: Betterred
Subject: Workaround for Missing Temp Headers on Z490 Aqua?
Date Posted: 08 Oct 2020 at 5:12am

Hi,

I've ordered the Aqua Z490, there are only 2 cons that I can see:
There is no leak detection for the monoblock, like the Aorus Waterforce, though the Aqua is around 10% cheaper.
There are no temperature headers?! It seems this is common on ASRock, my last 4 boards were Asus.

Thing is, I want to do a custom loop, and there is no direct way of reading the water temperature. Another post talked about using an Arduino Uno to send the data to the board via RS232 on the Aqua. Does the z490 Aqua have a coms port? I can find no mention in the manual, so maybe it was a different Aqua they meant.

Given there is no way to get RS232 data into the Aqua, it would certainly be possible to get the Uno to output a fan frequency signal, dependent on water temperature. I'm not sure though, how useful that would be - Is it possible to use a fan input signal to control fan output, using a monitoring program?

Thanks.

Replies:

Posted By: kevini
Date Posted: 11 Nov 2020 at 7:56am

Just use an aquacomputer 6xt with temp sensor in your loop linked to it. The 6XT then interfaces to the board via USB header and the excellent aquasuite software can control fan/pump loops and curves as you need