ThinkPad T470 User Manual page 89

Description: The Ethernet LAN Option ROM enables the startup from an integrated network device. This
menu is displayed only in Legacy Only boot mode or Both boot mode with Legacy first.
• UEFI IPv4 Network Stack
Values: Disabled, Enabled
Description: Enable or disable Internet Protocol Version 4 (IPv4) network stack for UEFI environment. This
menu is displayed only in UEFI Only boot mode or Both boot mode with UEFI first.
• UEFI IPv6 Network Stack
Values: Disabled, Enabled
Description: Enable or disable Internet Protocol Version 6 (IPv6) network stack for UEFI environment. This
menu is displayed only in UEFI Only boot mode or Both boot mode with UEFI first.
• UEFI PXE Boot Priority
Values: IPv6 First, IPv4 First
Description: Select network stack priority for UEFI PXE boot. This menu is displayed only in UEFI Only
boot mode or Both boot mode with UEFI first, when IPv6 and IPv4 stacks are both enabled.
• Wake by WiGig Dock
Values: Disabled, Enabled
Description: Enable or disable the wake-up function of the ThinkPad WiGig Dock. If you select Enabled,
the battery life might become shorter.
• Wireless Auto Disconnection
Values: Disabled, Enabled
Description: Enable or disable the Wireless Auto Disconnection feature when the Ethernet cable
is connected to the Ethernet LAN on system. If it is enabled, Wireless LAN and WiGig radios are
automatically turned off whenever Ethernet cable is connected.
Note: Ethernet attached by USB is not supported by this feature.
• MAC address Pass Through
Values: Disabled, Enabled
Description: Enable or disable the MAC address Pass Through function when dock is attached. If it is
enabled, dock Ethernet uses the same MAC address as the internal Ethernet LAN. If it is disabled, dock
Ethernet uses its own MAC address.
USB
• USB UEFI BIOS Support
Values: Disabled, Enabled
Description: Enable or disable the boot support for USB storage devices.
• Always On USB
Values: Disabled, Enabled
Description: Select Enabled to charge devices through the Always On USB connectors even when the
computer is turned off, in sleep mode, or in hibernation mode.
• Charge in Battery Mode
Values: Disabled, Enabled
Description: It is supported only when Always On USB is Enabled. Select Enabled to charge devices
through the Always On USB connectors even when the system is in hibernation mode, or is power-off
and in battery operation.
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Chapter 6 Advanced configuration
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