Chapter 4: UEFI BIOS
4-33
USB Configuration
The following information will be displayed:
•
USB Module Version
•
USB Controllers
•
USB Devices
Legacy USB Support
Select Enabled to support legacy USB devices. Select Auto to disable
legacy support when legacy USB devices are not present. If Disable
is selected, legacy USB devices will not be supported. The options are
Disabled,
Enabled
, and Auto.
XHCI Hand-Off
This feature is a work-around 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 options are
Disabled and
Enabled
.
USB Mass Storage Driver Support
Set Enabled to enable USB mass storage driver support. The options are
Disabled and
Enabled
.
Port 60/64 Emulation
This feature enables I/O port 60h/64h emulation for legacy USB keyboard
support on non-USB aware operating systems. The options are Disabled
and
Enabled
.
Connectivity Configuration
CNVi WiFi&BT
This feature controls the connectivity mode. Selecting Enable enables WiFi
and Bluetooth support. The options are Disabled and
Enabled
.
PCIe/PCI/PnP Configuration
Video
This feature controls which option ROM to execute for the Video device.
The options are Do Not Launch, UEFI, and
Legacy
.
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