User Manual

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(R) 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(R) Device Guard.

When this option is enabled, Intel(R) Virtualization Technology, Intel(R) 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

Description: Select the boot priority between UEFI and Legacy.

– CSM Support (for UEFI only)

Values: Yes, No

T480s User Guide