Lenovo ThinkPad E555 User Manual page 83

Table 3. Config menu items (continued)
Menu item
USB
Submenu item
(for Legacy Only boot
mode or Both with Legacy
first)
UEFI IPv4 Network Stack
(for UEFI Only boot mode
or Both with UEFI first)
UEFI IPv6 Network Stack
(for UEFI Only boot mode
or Both with UEFI first)
UEFI PXE Boot Priority
(for Both with UEFI first
boot mode, and IPv6
and IPv4 stacks are both
enabled.)
USB UEFI BIOS Support
Always On USB
Always On USB Charge in
Battery Mode
USB 3.0 Mode
Selection
• Enabled
• Disabled
• Enabled
• Disabled
• Enabled
• IPv6 First
• IPv4 First
• Disabled
• Enabled
• Disabled
• Enabled
• Disabled
• Enabled
• Disabled
• Enabled
• Auto
Chapter 6
Comments
startup from an integrated
network device.
Enable or disable Internet
Protocol Version 4 (IPv4)
network stack for the UEFI
environment.
Enable or disable Internet
Protocol Version 6 (IPv6)
network stack for UEFI
environment.
Select network stack
priority for UEFI PXE boot.
Enables or disables boot
support for USB storage
devices.
If you select Disabled,
the external USB devices
cannot be charged through
USB connectors.
If you select Enabled, the
Always On USB connector
enables you to charge some
mobile digital devices and
smartphones when the
computer is powered off or
in hibernation mode on the
condition that the ac power
adapter is connected.
Set the USB 3.0 controller
mode for the ports shared
between USB 2.0 and USB
3.0 controllers.
If you select Auto, it enables
you to connect and route
appropriate USB 3.0 or
USB 2.0 connectors.
If you select Enabled, it
enables USB 3.0 mode
and allows USB 3.0 to be
supported in the operating
system.
If you select Disabled, it
disables and hides the USB
3.0 controller, and USB 3.0
.
Advanced configuration
67