Lenovo ThinkPad 13 2nd Gen User Manual page 78

Device Guard
• Device Guard
Values: Disabled, Enabled
Descriptions: This option is used to support Microsoft Device Guard.
When this option is enabled, Intel Virtualization Technology, Intel VT-d Feature, Secure Boot, and OS
Optimized Defaults are automatically enabled. Intel TXT Feature is automatically disabled. Boot order is
not selectable. To complete the configuration of Device Guard, you have to set a supervisor password.
When this option is disabled, the setup options are configurable and you can choose any boot options to
start the computer.
Startup menu
Note: The BIOS menu items might change without notice. Depending on the model, the default value might
vary.
• Boot
Descriptions: Define the startup sequence.
• Network Boot
Descriptions: Select the boot device when the system wakes from LAN. If Wake On LAN is enabled, the
network administrator can turn on all of the computers in a LAN remotely through network management
software.
• UEFI/Legacy Boot
Values: Both, UEFI Only, Legacy Only
Descriptions: Define the system boot capability.
– UEFI/Legacy Boot Priority
Values: Legacy First, UEFI First
Description: Select the boot priority between UEFI and Legacy.
– CSM Support (for UEFI only)
Values: Yes, No
Description: Compatibility Support Module (CSM) is required for starting the legacy operating system. If
you select UEFI only, CSM Support is selectable. For Both or Legacy Only mode, CSM Support is
not selectable.
• Boot Mode
Values: Quick, Diagnostics
Descriptions: Define which screen is displayed during the POST, the logo screen or the text message
screen.
• Option Key Display
Values: Disabled, Enabled
Descriptions: If you disable this option, the "To interrupt normal startup, press Enter." message will not be
displayed during the POST.
• Boot Device List F12 Option
Values: Disabled, Enabled
Descriptions: If you enable this option, you can open the Boot Menu window by continuously pressing F12
when the computer is powered on.
• Boot Order Lock
Values: Disabled, Enabled
60
ThinkPad 13 2nd Gen User Guide