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x470 K4 gaming bios update break virtualization

Printed From: ASRock.com
Category: Media&User's Review
Forum Name: AMD Motherboards
Forum Description: ASRock AMD Motherboards
URL: http://forum.asrock.com/forum_posts.asp?TID=11993
Printed Date: 05 Dec 2023 at 7:54am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com


Topic: x470 K4 gaming bios update break virtualization
Posted By: jmandawg
Subject: x470 K4 gaming bios update break virtualization
Date Posted: 24 Jul 2019 at 8:10pm
Hi,

Is there anyway to downgrade bios. Specifically latest Agesa breaks IOMMU GPU passthrough for virtualization. Or any word on a fix for this?

For reference:

https://www.reddit.com/r/Amd/comments/bh3qqz/agesa_0072_pci_quirk/

https://www.reddit.com/r/VFIO/comments/c0hnmf/vfio_agesa_0072_survivor_wants_to_foolishly/

Thanks.



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