Supermicro H12SSL Series User Manual page 71

Chapter 4: UEFI BIOS
SR-IOV Support
If the system has SR-IOV capable PCIe devices, this setting will Disable or Enable the Single
Root IO Virtualization Support for the system.
BME DMA Mitigatioin
Use this setting to re-enable the Bus Master Attribute that was disabled during PCI enumeration
for PCI bridges after SMM is locked. The options are Disabled and Enabled.
PCIe ARI Support
The options are Disabled, Enabled, and Auto.
PCIe Spread Spectrum
Use this setting to Disable or Enable PCIe Spread Spectrum for your system.
VGA Priority
Use this setting to select between onboard or offboard VGA support The options are Onboard
and Offboard
NVMe Firmware Source
Use this setting to select between the AMI Native firmware support or the device vendor-
defined firmware support. The options are Vendor Defined Firmware and AMI Native Support.
M.2 (AHCI) Firmware Source
Use this setting to select between the AMI Native firmware support or the device vendor-
defined firmware support. The options are Vendor Defined Firmware and AMI Native Support.
CPU SLOT1 PCI-E 4.0 X16 OPROM
This setting enables or disables the listed PCI/PCIX/PCIe Slot OPROM option. The options
include Disabled, Legacy and EFI.
CPU SLOT2 PCI-E 4.0 X8 OPROM
This setting enables or disables the listed PCI/PCIX/PCIe Slot OPROM option. The options
include Disabled, Legacy and EFI.
CPU SLOT 3 PCI-E 4.0 X16 OPROM
This setting enables or disables the listed PCI/PCIX/PCIe Slot OPROM option. The options
include Disabled, Legacy and EFI.
CPU SLOT 4 PCI-E 4.0 X8 OPROM
This setting enables or disables the listed PCI/PCIX/PCIe Slot OPROM option. The options
include Disabled, Legacy and EFI.
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