Descriptions: Specify the system operating mode.
•
Secure Boot Mode
Values:
Standard Mode
, Custom Mode
Descriptions: Specify the
Secure Boot mode
.
•
Reset to Setup Mode
Descriptions: Use this option to clear the current platform key and reset
Platform Mode
to
Setup Mode
.
You can install your own platform key and customize the Secure Boot signature databases in
Setup
Mode
.
Secure Boot Mode
will be set to
Custom Mode
.
•
Restore Factory Keys
Descriptions: Use this option to restore all keys and certificates in
Secure Boot
databases to the factory
defaults.
•
Clear All Secure Boot Keys
Descriptions: Use this option to clear all keys and certificates in
Secure Boot
databases and install your
own keys and certificates.
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 SGX application for UEFI boot operating system.
•
Change Owner EPOCH
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.
74
X280 User Guide
Содержание ThinkPad X280
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