Intel (R) SGX
• Intel (R) SGX Control
Values: Disabled, Enabled, Software Controlled
Descriptions: Enable or disable the Intel Software Guard Extensions (SGX) function. If you select Software
Controlled, SGX will be controlled by the operating system.
• Change Owner EPOCH
Value: Enter
Descriptions: Change Owner EPOCH to a random value. Use this option to clear SGX user data.
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. 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.
• 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
68
X380 Yoga User Guide
