Lenovo ThinkPad X1 Carbon User Manual page 91

Table 2. Config menu items (continued)
Menu item
USB
Submenu item
Ethernet LAN Option ROM
(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 UEFI Only boot mode
or Both with UEFI first for
boot capability and IPv6
and IPv4 stacks are both
enabled.)
USB UEFI BIOS Support
Always On USB
– Charge in Battery Mode
Value
• Disabled
• Enabled
• Disabled
• Enabled
• Disabled
• Enabled
• IPv6 First
• IPv4 First
• Disabled
• Enabled
• Disabled
• Enabled
• Disabled
• Enabled
Chapter 6
Comments
• 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.
Load the Ethernet LAN
Option ROM to enable
startup from an integrated
network device.
Enable or disable Internet
Protocol Version 4 (IPv4)
network stack for UEFI
environment.
Enable or disable Internet
Protocol Version 6 (IPv6)
network stack for UEFI
environment.
Select network stack
priority for UEFI PXE boot.
Enable or disable boot
support for USB storage
devices.
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).
If you select Enabled, the
external USB devices can
be charged through USB
connectors even when
system is in hibernation
or power-off mode and in
battery mode.
.
Advanced configuration
75