AMD Motherboards - Virtualization is broken on the AB350/X370 boards

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Virtualization is broken on the AB350/X370 boards

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=9426
Printed Date: 21 Jul 2025 at 2:33pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: Virtualization is broken on the AB350/X370 boards

Posted By: hifihedgehog
Subject: Virtualization is broken on the AB350/X370 boards
Date Posted: 16 Aug 2018 at 12:54am

There is a serious performance and stability crippling issues (likely clock source related) affecting systems with ASRock AM4 AB350 and X370 motherboards and VirtualBox, which is described in greater detail here:

https://forum.level1techs.com/t/broken-virtualisation-and-more-on-asrock-ab350-pro4/126799/32" rel="nofollow - https://forum.level1techs.com/t/broken-virtualisation-and-more-on-asrock-ab350-pro4/126799/32

Suffice it to say, any BIOS released within about the last six months causes either BSODs or unusable, extreme sluggishness for guest VMs. All issues noted in the link above I experience consistently without fail on my VMs running Windows 2000, Windows Server 2016 and Lubuntu Linux.