Lenovo ThinkPad T540p - Manual (Page 125)

Table 4. Config menu items (continued)
Menu item Submenu item Selection Comments
enabled with any power
sources.
Notes:
• The magic packet type
Wake on LAN requires
ac power.
• The Wake on LAN
function does not
work when a hard disk
password is set.
Ethernet LAN Option ROM
(for Legacy Only boot
mode or Both with Legacy
first)
• Disabled
• Enabled
Loads the Ethernet LAN
Option ROM to enable
startup from an integrated
network device.
UEFI IPv4 Network Stack
(for UEFI Only boot mode
or Both with UEFI first)
• Disabled
• Enabled
Enable or disable Internet
Protocol Version 4 (IPv4)
network stack for the UEFI
environment.
UEFI IPv6 Network Stack
(for UEFI Only boot mode
or Both with UEFI first)
• Disabled
• Enabled
Enable or disable Internet
Protocol Version 6 (IPv6)
network stack for UEFI
environment.
UEFI PXE Boot Priority
(for Both with UEFI first
boot mode, and IPv6
and IPv4 stacks are both
enabled.)
• IPv6 First
• IPv4 First
Select network stack
priority for UEFI PXE boot.
USB UEFI BIOS Support • Disabled
• Enabled
Enables or disables boot
support for USB storage
devices.
Always-On USB • Disabled
• Enabled
If you select Enabled, the
external USB devices can
be charged through USB
connectors even when the
computer is in low-power
mode (sleep, hibernate, or
power-off).
Always-On USB - Charge in
Battery Mode • Disabled
• Enabled
If you select Enabled,
external USB devices can
be charged through USB
connectors even when
the system is in sleep or
hibernation, or is power-off
mode and in battery
operation.
USB
USB 3.0 Mode • Disabled
• Enabled
Set the USB 3.0 controller
mode for the ports shared
between USB 2.0 and USB
3.0 controllers.
Chapter 8 . Advanced configuration 109