Lenovo ThinkPad W540 (English) User Guide - Page 125
Menu item, Selection, Comments, Notes, Legacy Only, Legacy, first, Enabled, UEFI Only, UEFI first - ports
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Table 4. Config menu items (continued) Menu item Submenu item Selection USB 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 Both with UEFI first boot mode, and IPv6 and IPv4 stacks are both enabled.) USB UEFI BIOS Support • Disabled • Enabled • Disabled • Enabled • Disabled • Enabled • IPv6 First • IPv4 First • Disabled • Enabled Always-On USB • Disabled • Enabled Always-On USB - Charge in • Disabled Battery Mode • Enabled USB 3.0 Mode • Disabled • Enabled 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. Loads the Ethernet LAN Option ROM to enable startup from an integrated network device. Enable or disable Internet Protocol Version 4 (IPv4) network stack for the UEFI environment. Enable or disable Internet Protocol Version 6 (IPv6) network stack for UEFI environment. Select network stack priority for UEFI PXE boot. Enables or disables 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, 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. 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