Integrated Devices - Dell P139G Service Manual

Table 4. Boot configuration (continued)
Option
Secure Digital (SD) Card Boot
Secure Boot
Secure Boot Mode
Expert Key Management

Integrated Devices

Table 5. Integrated device options
Option
Date/Time
Camera
Audio
USB/Thunderbolt Configuration
Description
Allows you to enable or disable Enable Secure Digital (SD)
Card Boot.
Secure Boot helps ensure your system boots using only
validated boot software.
Enable Secure Boot—By default, this option is enabled.
Changes to the Secure Boot operation mode modifies the
behavior of Secure Boot to allow evaluation of UEFI driver
signatures.
The options are:
● Deployed Mode—By default, this option is enabled.
● Audit Mode
Allows you to enable or disable Expert Key Management.
Enable Custom Mode—By default, this option is disabled.
The Custom Mode Key Management options are:
● PK—By default, this option is enabled.
● KEK
● db
● dbx
Description
Allows you to set the date and time. The change to the system
date and time takes effect immediately.
Allows you to enable or disable camera.
Enable Camera - This option is enabled by default.
Allows you to turn off all integrated audio. By default, the Enable
Audio option is selected.
Allows you to enable or disable the integrated audio or microphone
and speaker separately. By default, the Enable Audio option is
selected.
The options are:
● Enable Microphone
● Enable Internal Speaker
Allows you to enable or disable the USB mass storage devices to
boot through the boot sequence or boot menu.
The options are:
● Enable External USB Port - This option is enabled by
default.
● Enable USB Boot Support - This option is enabled by
default.
By default, all the options are enabled.
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