Lenovo 23539KU Menu item Submenu item Value Comments, Enabled, For Legacy Only boot, Disabled

Table 5. Config menu items (continued)

Menu item	Submenu item	Value		Comments
				when a hard disk password
				is set.
	Ethernet LAN Option ROM	•	Disabled	Load the Ethernet LAN
		•	Enabled	Option ROM to enable
	(for Legacy Only boot			startup from an integrated
	mode)			network device.
	UEFI IPv4 Network Stack	•	Disabled	Enable or disable Internet
		•	Enabled	Protocol Version 4 (IPv4)
	(for UEFI Only boot mode			network stack for the UEFI
	or Both with UEFI first)			environment.
USB	USB UEFI BIOS Support	•	Disabled	Enable or disable boot
		•	Enabled	support for storage devices.
	Always On USB	•	Disabled	If you select Disabled, the
		•	Enabled	external USB devices
				cannot be charged
				through USB connectors in
				power-off mode.
	Always On USB Charge in	•	Disabled	If you select Enabled, the
	off mode	•	Enabled	Always On USB connector
				enables you to charge some
				mobile digital devices and
				smartphones when the
				computer is powered off.
				Note: If you want to charge
				these devices when your
				computer is in hibernation
				mode or powered off, you
				will need to open the Power
				Manager program and
				configure corresponding
				settings to enable the
				Always On USB connector.
				For details about how to
				enable the Always On USB
				connector, refer to the help
				information system of the
				Power Manager program.
	USB 3.0 Mode	•	Disabled	The USB 3.0 function only
		•	Enabled	works in the Windows 7
				operating system. If you
		•	Auto
				are using other Windows
				operating system rather
				than Windows 7, the USB
				connectors works as USB
				2.0 connectors.

116User Guide