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Bus Master Enable
If it is set to Enabled, the PCI Bus Driver will enable the Bus Master Attribute for DMA
transactions. If it is set to Disabled, the PCI Bus Driver will disable the Bus Master Attribute
for Pre-Boot DMA protection. The options are Disabled and Enabled.
ARI Support
Select Enabled for Alternative Routing-ID Interpretation (ARI) support. The options are
Disabled and Enabled.
NVMe Firmware Source
Use this feature to select the NVMe firmware to support system boot. The options are Vendor
Defined Firmware and AMI Native Support. The default option, Vendor Defined Firmware,
is pre-installed on the drive by the manufacturer and may resolve errata or enable innovative
functions for the drive. The other option, AMI Native Support, is offered by the AMI BIOS with
a generic method. (Please use the AMI Native Support option for Supermicro Security Erase
Configuration support available in the Security menu.)
VGA Priority
Use this feature to select the graphics device to be used as the primary video display for
system boot. The options are Onboard and Offboard.
For proper configurations of Option ROM settings, please pay attention to the notes below.
Note 1: The number of slots and slot naming vary based on your motherboard features.
Note 2: The option of Legacy is available when "Boot Mode Select" is set to Dual or
Legacy.
Note 3: Refer to Boot submenu in the BIOS Setup main menu to set "Boot Mode
Select".
Onboard Video Option ROM
Select EFI to allow you to boot the computer using the Extensible Firmware Interface (EFI)
device installed on the onboard video port. The options are Disabled, EFI, and Legacy.
PCI Devices Option ROM Setting
SLOT1 PCI-E 5.0 X16
Select EFI to allow you to boot the computer using the EFI device installed on the PCIe slot
specified. The options are Disabled and EFI.
SLOT2 PCI-E 5.0 X16 / SLOT3 PCI-E 5.0 X16 / SLOT4 PCI-E 5.0 X16 / SLOT5 PCI-E
5.0 X16 / SLOT6 PCI-E 5.0 X16 / SLOT7 PCI-E 5.0 X16
Select EFI to allow you to boot the computer using the EFI device installed on the PCIe slot
specified. The options are Disabled and EFI.
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Chapter 4: UEFI BIOS
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