Startup Menu - Lenovo ThinkPad P71 User Manual

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
Descriptions: Change Owner EPOCH to a random value. Use this option to clear user data of SGX.
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.
– UEFI/Legacy Boot Priority
Values: Legacy First, UEFI First
Descriptions: Select the boot priority between UEFI and Legacy.
– CSM Support (for UEFI Only)
Values: Yes, No
Descriptions: 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.
Note: If you select UEFI Only, the computer cannot start from the bootable devices that do not have the
UEFI-enabled operating system.
• Boot Mode
Values: Quick, Diagnostics
Descriptions: Define which screen is displayed during the POST, the logo screen or the text message
screen.
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Chapter 6 Advanced configuration
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