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Chapter 6: UEFI BIOS
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 Enabled and Disabled.
ARI Forwarding
If supported by the hardware and set to 'enabled', the downstream port disables its traditional
device number field, being 0 enforcement, when turning a type1 configuration request into
a type0 configuration request. This permits access to extended functions in an ARI device
immediately below the port. The options are Enabled and Disabled.
PCIe Spread Spectrum
Use this setting to Enable or Disable PCI-E Spread Spectrum for your system.
Target Link Speed
If supported by hardware and set to Force to x.S GT/S (x being a value of 2.5, 5.0 or 8.0) for
Downstream Ports, this sets an upper limit on Link Operational Speed by restricting the values
advertised by the UPstream component in its training sequences. When Auto is selected,
the HW initialized data will be used.
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 AMI Native Support and Vendor Defined Firmware.
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 AMI Native Support and Vendor Defined Firmware.
M.2 HC1 PCI-E 3.0 X4/X2 OPROM
M.2 HC2 PCI-E 3.0 X2 OPROM
RSC-R1UW-2E16 SLOT1 PCI-E X16 OPROM
RSC-R1UW-2E16 SLOT2 PCI-E X16 OPROM
RSC-R1UW-E8R SLOT1 PCI-E X8 OPROM
This setting enables or disables the listed PCI-E Slot OPROM option. The options are
Disabled, Legacy or EFI.
Onboard LAN
Use this setting to enable or disable the onboard LAN feature. The options are Enabled
and Disabled..
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