AB350 Pro4 - BIOS Update?
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=10600
Printed Date: 25 Jul 2025 at 9:58pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: AB350 Pro4 - BIOS Update?
Posted By: Fefolino
Subject: AB350 Pro4 - BIOS Update?
Date Posted: 03 Jan 2019 at 8:30pm
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Hi all! I still have the version P3.30 of the BIOS and I have a Ryzen 1600 Should I update BIOS? Or I should just keep this? All is working good except a thing about fans (that I'll explain at the end) And then, if I should update, how to do it? I have to flash P3.40? And then? Extra question: Can you select DC or PWM mode for fans? Because in the P3.30 this isn't possible or I'm blind and I can't find it. Is this possible to do in any other BIOS? Thanks! :) |
Replies:
Posted By: garych
Date Posted: 03 Jan 2019 at 9:41pm
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As I said earlier, you can't select fan modes manually on this motherboard. It will set DC mode if it detects a 3-pin fan on cha_fan2 and 3  ------------- 
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Posted By: garych
Date Posted: 03 Jan 2019 at 10:04pm
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If you want to know how it looks, then here's my motherboard. Chassis fan 2 has auto detection and I can't select its mode. Chassis fan 3 has manual mode selection.  -------------
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Posted By: Fefolino
Date Posted: 04 Jan 2019 at 2:30am
Hi, thanks for your answer This topic was mainly for BIOS update - I heard a lot of people having problems with those updates. BTW thanks for your screen, I haven't that function. But I have a problem tho, I tried plugging into cha fan 2 (and 1) a 3 pin fans and it goes always to a set speed (it was the Phanteks P400s stock fan and it was going to 1100 rpm) Then I tried with an adapter (3 to 4 pin and 4 to 3 pin) but I can't regulate my fans with it, they just go to 100% (I tried with cha fan 2 and 1) So, I don't know what to think, maybe my motherboard has some problems with DC? It doesn't recognize 3 pin fans But I remember that some time ago I was able to shut off fans, because I was doing experiments on which % they were turning on (and it was like 25%) So I really don't know what to think... I triead a clear cmos too |
garych wrote: