SR-IOV Setting

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  • What is SR-IOV ? 
Single-Root Input-Output Virtualization: Allows the isolation of PCI Express resources for manageability and performance
  • How to turn on SR-IOV in the BIOS? 
Usually this function should be at the path: BIOS -> Advanced -> PCIe Configuration - SR-IOV Support

SR-IOV Setting01.png SR-IOV Setting02.png

  • What error will occur if I don't turn on the SR-IOV?

IF user go to the command : 

sudo pci_device 43:00.0 vf 1

Users may encounter "Cannot allocate memory" problems.

SR-IOV Setting03.png

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