Lenovo ThinkPad T420 4236 User Manual page 200

Table 8. Config menu items (continued)
USB
182
User Guide
Ethernet LAN Option ROM
USB UEFI BIOS Support
Always On USB
Always On USB Charge in
off mode
• Disabled
• Enabled
• Disabled
• Enabled
• Disabled
• Enabled
• Disabled
• Enabled
If you select "AC and
Battery", Wake On LAN is
enabled with any power
sources.
Note: AC is required with
magic packet type Wake
On LAN.
Note: 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 boot
support for USB diskette,
USB memory key, and USB
optical drive.
If you select "Enabled", the
external USB devices can
be charged via USB ports
even when the system is in
low power mode (standby,
hibernate, or power-off).
If you select "Enabled", the
Always On USB connector
enables you to charge
some devices, such as iPod
and iPhone and BlackBerry
smartphones.
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
function. For details
about how to enable the
Always On USB connector
function, refer to the online
help of the Power Manager
program.