Lenovo ThinkPad X280 User Manual page 84

Description: 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 when 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
Description: Enable or disable the MAC Address Pass Through function when a dock is attached. If you
select Enabled, the dock Ethernet will use the same MAC address as the internal Ethernet LAN. If you
select 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: Select Enabled to charge devices through the Always On USB connectors even when the
computer is turned off, in sleep mode, or in hibernation mode.
– Charge in Battery Mode
Values: Disabled, Enabled
Description: This option is supported only when Always On USB is enabled. Select Enabled to charge
devices through the Always On USB connector even when the computer is in hibernation mode, or
powered off and in battery operation.
Keyboard/Mouse
• TrackPoint
Values: Disabled, Enabled
Description: Enable or disable the built-in TrackPoint pointing device.
• Trackpad
Values: Disabled, Enabled
Description: Enable or disable the built-in trackpad.
• Fn and Ctrl Key swap
Values: Disabled, Enabled
Description: Exchange functions of the Fn key and the Ctrl key at the bottom left corner of the keyboard. If
you select Enabled, the Fn key works as the Ctrl key and the Ctrl key works as the Fn key.
Note: Only the physical Fn key can wake up the system from sleep mode.
• Fn Sticky key
Values: Disabled, Enabled
Description: If you select Enabled, you can press (instead of press and hold) the Fn key to keep it in a
pressed condition. Then press the desired function key. The action is equivalent to pressing the function
key simultaneously with the Fn key. When you press the Fn key twice, the Fn key is locked in the pressed
condition until you press the Fn key again.
• F1–F12 as Primary Function
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X280 User Guide