Question
I'd like to use virtualization function under OS on my H11/H12 series motherboard. Which BIOS items should I enable or disable under BIOS?
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Answer
For H11 series motherboard with Naples CPU (EPYC 7xx1) installed, please use latest BIOS and enable below items under BIOS
BIOS >> Advanced >> CPU configuration >> SVM Mode >> Enabled
BIOS >> Advanced >> PCIe/PCI/PnP Configuration >> SR-IOV Support >> Enabled
BIOS >> Advanced >> NB Configuration >> ACS Enable >> Enabled
BIOS >> Advanced >> NB Configuration >> IOMMU >> Enabled

For H12/H11 series motherboard with Rome CPU (EPYC 7xx2) installed, please use latest BIOS and enable below items under BIOS
BIOS >> Advanced >> CPU configuration >> SVM Mode >> Enabled
BIOS >> Advanced >> PCIe/PCI/PnP Configuration >> SR-IOV Support >> Enabled
BIOS >> Advanced >> NB Configuration >> ACS Enable >> Enabled
BIOS >> Advanced >> NB Configuration >> IOMMU >> Enabled
BIOS >> Advanced >> ACPI settings >> PCI AER Support >> Enabled

In newer BIOS revision with Rome processor, please enable AER first then ACS will be exposed
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FAQ ID:
31883
Related Category / Keyword:
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Date Posted:
03/15/20
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