Chapter 4: BIOS
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Native PCIE Enable
Enable this feature to grant native control of hot plug, Power Management Events, PCI-E
Advanced Error Reporting, PCI-E Capability Structure Control, and Latency Tolerance
Reporting Control. The options are Disabled and
Enabled
.
Native ASPM
Select Enabled for the operating system to control the Active State Power Management
(ASPM). Select Disabled for the BIOS to control the ASPM. The options are Auto,
Enabled
,
and Disabled
.
USB Configuration
USB Configuration
•
USB Module Version
•
USB Controllers:
•
USB Devices:
Legacy USB Support
Select Enabled to support onboard legacy USB devices. Select Auto to disable legacy support
if there are no legacy USB devices present. Select Disable to have all USB devices available
for EFI applications only. The options are
Enabled,
Disabled, and Auto.
XHCI Hand-off
This is a workaround solution for operating systems that do not support XHCI (Extensible
Host Controller Interface) hand-off. The XHCI ownership change should be claimed by the
XHCI driver. The settings are
Enabled
and Disabled.
USB Mass Storage Driver Support
Select Enabled for USB mass storage device support. The options are Disabled and
Enabled
.
Port 60/64 Emulation
Select Enabled for I/O port 60h/64h emulation support, which in turn, will provide complete
legacy USB keyboard support for the operating systems that do not support legacy USB
devices. The options are Disabled and
Enabled
.
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