Dell Latitude 14 Rugged Owner's Manual page 42

Option
CPU XD Support
OROM Keyboard Access
Admin Setup Lockout
Table 6. Secure Boot
Option
Secure Boot Enable
Expert Key Management
42
Description
NOTE: The Activate and Disable options will permanently activate or
disable the feature and no further changes will be allowed
Deactivate (default)
Allows you to enable the Execute Disable mode of the processor.
Enable CPU XD Support (default)
Allows you to set an option to enter the Option ROM Configuration
screens using hotkeys during boot. The options are:
• Enable
• One Time Enable
• Disable
Default Setting: Enable
Allows you to prevent users from entering Setup when an Administrator
password is set.
Default Setting: Enable Admin Setup Lockout is not selected.
Description
This option enables or disables the Secure Boot Feature.
• Disable (default)
• Enable
Allows you to manipulate the security key databases only if the system is
in Custom Mode. The Enable Custom Mode option is disabled by
default. The options are:
• PK
• KEK
• db
• dbx
If you enable the Custom Mode, the relevant options for PK, KEK, db,
and dbx appear. The options are:
• Save to File- Saves the key to a user-selected file
• Replace from File- Replaces the current key with a key from a user-
selected file
• Append from File- Adds a key to the current database from a user-
selected file
• Delete- Deletes the selected key
• Reset All Keys- Resets to default setting
• Delete All Keys- Deletes all the keys