...
BIOS → Advanced → PCIe Config → SR-IOV Support
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
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