Difference between revisions of "CPU Support"

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(Added note on ACS patches and AMD motherboard platforms.)
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ARI Mode >> Enabled
ARI Mode >> Enabled


'''Note to AMD CPU users.''' ''If you are using an early first generation Ryzen or ThreadRipper platform you may need to update your motherboard UEFI to make proper use of IOMMU Groups. If your motherboard manufacturer has not made an update available you may need to apply an [https://vfio.blogspot.com/2014/08/iommu-groups-inside-and-out.html ACS override patch]. Successive AMD platforms are unaffected.''
'''Note to AMD CPU users.''' ''If you are using an early first generation Ryzen or ThreadRipper platform you may need to update your motherboard UEFI to make proper use of IOMMU Groups. If your motherboard manufacturer has not made an update available you may need to apply an [https://vfio.blogspot.com/2014/08/iommu-groups-inside-and-out.html ACS override patch]. Successive AMD CPU platforms are unaffected.''

Revision as of 14:56, 12 April 2022

In order to use mediated device functionality you may need to set some or all of the following settings in your machine's UEFI.

Intel CPUs

VT-d

Optimal UEFI Settings

IOMMU >> Enabled

SR-IOV Support >> Enabled

VT-x >> Enabled

ARI Mode >> Enabled

AMD CPUs

AMD-v

Optimal UEFI Settings

SVM Mode >> Enabled

SR-IOV Support >> Enabled

ACS Enable >> Enabled

IOMMU >> Enabled

PCI AER Support >> Enabled

ACS Enable >> Enabled

ARI Mode >> Enabled

Note to AMD CPU users. If you are using an early first generation Ryzen or ThreadRipper platform you may need to update your motherboard UEFI to make proper use of IOMMU Groups. If your motherboard manufacturer has not made an update available you may need to apply an ACS override patch. Successive AMD CPU platforms are unaffected.