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Chapter 4: BIOS
Legacy Serial Redirection Port
The default is COM1.
Console Redirection
The options are Disabled and Enabled.
PCIe/PCI/PnP Configuration
This menu provides PCIe/PCI/PnP configuration settings and information.
PCI Bus Driver Version: A5.01.28
PCI Devices Common Settings:
Above 4G Decoding
This setting Disables or Enables 64-bit capable devices ability to be decoded in above 4G
address space (only if the system supports 64-bit PCI decoding).
Re-Size BAR Support
If system has resizable BAR capable PCIe devices, use the options Disable or Enable
resizable BAR support.
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 Mitigation
Re-enable Bus Master Attribute disabled during PCI enumeration for PCI Bridges after SMM
Locked. The options are Disabled and Enabled.
PCIE Speed PMM Control
This setting reduced link speed when devices are idle. Options include Dynamic link speed
determined by Power Management functionality, Static Target Link Speed (GEN4), Atatic
Target Link Speed (GEN5), and Auto.
ASPM Support
Use thes setting to set the ASPM level. The options are Disabled, Auto, and Force L1.
PCIe ARI Support
Use this setting to Disable, Enable, or Auto control the Alternative Routing-ID Interpretation.
PCIe ARI Enumeration
Use this setting to Disable, Enable, or Auto control the ARI Forwarding Enable for each
downstream port.
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