Lenovo S540 Laptop User Manual


 
Table 4. Config menu items
Menu item
Submenu item Selection Comments
Wake On LAN
Disabled
AC Only
AC and Battery
Enable the system to Power on
when the Ethernet controller
receives a magic packet (a
special network message).
If you select AC Only, the Wake
on LAN function will be enabled
only when the ac power adapter
is attached.
If you select AC and Battery,
the Wake on LAN function will be
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 Bothwith Legacy
first)
Disabled
Enabled
Load 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 UEFI IPv4
Network Stack for UEFI
environment
UEFI IPv6 Network Stack
(for UEFI Only boot mode
or Both with UEFI first)
Disabled
Enabled
Enable or Disable UEFI IPv6
Network Stack for UEFI
environment
Network
UEFI PXE Boot Priority
(for UEFI Only boot mode
and Both with UEFI first
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
Enable or disable boot support
from USB storage devices.
Always On USB
Disabled
Enabled
The USB connectors can charge
external device during low power
states (standby, hibernate or
power-off). If the system runs on
battery mode, this will work only
in standby state.
Enabled: USB connectors
are powered during low
power states.
USB
Chapter 8. Advanced configuration 89