B450 PRO4 sensors malfunctioning
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=14735
Printed Date: 10 Nov 2025 at 8:22pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: B450 PRO4 sensors malfunctioning
Posted By: harmax96
Subject: B450 PRO4 sensors malfunctioning
Date Posted: 20 Jun 2020 at 9:59pm
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Hi guys this is my setup: Ryzen 2600 2x4Gb Ram crucial ballistix @2400mhz AMD rx 570 Asrock MOTAM4 B450 Pro4 4.1 Bios I'm not english so sorry for eventual errors, anyway this is my problem. The MB temperature, vrm, CPU Core voltage, 12v, 5v, 3.3v, sensors are not working properly; most specifically 1/10 times they show on the bios and using softwares like HWiNFO but the temp infos are not correct in my opinion: The VRM temp and the mb temps areboth stuck at 29-30°c and 35-36°C regardless of how much i stress the cpu. The only sensor that is actually working FINE is the cpu temp wich fluctuate betwenn 25 to 60 depending on the workload, the other sensor CPU (PECI) displays always but the temp is ALWAYS at 40°C and other temp sensors think are as well not working properly. The other 9/10 the first sensors just will not show neither on the bios nor the HWiNFO software (OFC is save the bios changes befor exiting from it but it does not work becuse 1-2 restarts and the sensors are simply gone again). Hope i made it sufficiently clear, thanks for any advice The MB was shipped with the 3.90 bios but had the same problems   
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