Chapter 4: BIOS
65
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). The options are Disabled
and
Enabled
.
Re-Size BAR Support
If system has resizable BAR capable PCIe devices, use th
e
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.
ASPM Support
Use thes setting to set the ASPM level. The options are
Disabled
, Auto and Force L0s.
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.
Relaxed Ordering
Select Enable to enable Relaxed Ordering support, which will allow certain transactions to
violate the strict-ordering rules of PCI bus for a transaction to be completed prior to other
transactions that have already been enqueued. The options are Disabled and
Enabled
.
Clock Spread Spectrum
Use this setting to Disable or Enable CG1_PLL Spread Spectrum for your system. The
options are
Disabled
and Enabled.
No Snoop
Select Enable to support no-snoop mode for each CB device. The options are Disabled and
Enabled
.
VGA Priority
Use this setting to select between onboard or external VGA support. The options are
Onboard
and External.
