Description: Select network stack priority for UEFI PXE boot. This menu is displayed only in UEFI Only
boot mode or Both boot mode with UEFI first, when IPv6 and IPv4 stacks are both enabled.
• Wireless Auto Disconnection
Values: Disabled, Enabled
Descriptions: Enable or disable the Wireless Auto Disconnection feature when the Ethernet cable is
attached. If you select Enabled, the Wireless LAN function is automatically turned off whenever the
Ethernet cable is attached.
Note: The Wireless Auto Disconnection feature is not supported for the Ethernet connection through a
USB port.
• MAC address Pass Through
Values: Disabled, Enabled
Descriptions: Enable or disable the MAC Address Pass Through function when a dock is attached. If you
select Enabled, the dock Ethernet uses the same MAC address as the internal Ethernet LAN. When
disabled, the dock Ethernet uses its own MAC address.
USB
• USB UEFI BIOS Support
Values: Disabled, Enabled
Description: Enable or disable the boot support for USB storage devices.
• Always On USB
Values: Disabled, Enabled
Description: By default, the Always On USB connector enables you to charge some mobile digital devices
in all low power states when the computer is connected to ac power. If the computer is working on battery
power, you can enable this function to charge devices in sleep mode with battery power only.
Note: USB-wake-up function is not supported on Always On USB connectors.
– Charge in Battery Mode
Values: Disabled, Enabled
Description: When the computer is working on battery power, select Enabled to charge devices
through the Always On USB connector even when the computer is turned off or in hibernation mode.
Keyboard/Mouse
• TrackPoint
Values: Disabled, Enabled
Description: Enable or disable the built-in TrackPoint pointing device.
Note: If you want to use an external mouse, select Disabled.
• Trackpad
Values: Disabled, Enabled
Description: Enable or disable the built-in trackpad.
Note: If you want to use an external mouse, select Disabled.
• Fn and Ctrl Key swap
Values: Disabled, Enabled
Description: If you select Enabled, the Fn key works as the Ctrl key and the Ctrl key works as the Fn key.
• Fn Sticky Key
60
X380 Yoga User Guide
