Chapter 6: BIOS
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PCIe/PCI/PnP Configuration
This menu provides PCIe/PCI/PnP configuration settings and information.
PCI Bus Driver Version
Above 4G Decoding
This setting
Enables
or Disables 64-bit capable devices ability to be decoded in above 4G
address space (only if the system supports 64-bit PCI decoding).
SR-IOV Support
If the system has SR-IOV capable PCI-E devices, this setting will Enable or
Disable
the
Single Root IO Virtualization Support for the system.
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.
PCIe Link Training Type
Use this setting to select PCIe Link Training between 1 or 2 steps The options are
1 Step
and 2 Steps..
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 the NVMe firmware between AMI Native or Vendor Defined. The
options are
Vendor Defined Firmware
and AMI Native Support.
PCI PERR/SERR Support
Use this setting to Enable or
Disable
the PCI device to generate PERR# (parity error) and
SERR# (system error) on a PCI bus.
CPU Slot 1 PCI-E 3.0 x8 OPROM
This setting enables or disables the listed PCI/PCIX/PCIe Slot OPROM option. Options include
Disabled,
Legacy
or EFI.