Dell OptiPlex 3020M Owner's Manual page 39

Table 5. Security (continued)
Option
TPM Security
Computrace
Chassis Intrusion
CPU XD Support
Admin Setup Lockout
HDD Protection Support
Table 6. Secure Boot
Secure Boot Enable
Expert key Management
Description
● Allow Non-Admin Password Changes - This option is enabled by default.
This option lets you control whether the Trusted Platform Module (TPM) in the system is
enabled and visible to the operating system.
TPM Security - This option is disabled by default.
NOTE: Activation, deactivation, and clear options are not affected if you load the
setup program's default values. Changes to this option take effect immediately.
This field lets you activate or disable the BIOS module interface of the optional
Computrace Service from Absolute Software.
● Deactivate - This option is selected by default.
● Disable
● Activate
● Enable
● Disable
● On-Silent
Default Setting: Disabled
Allows you to enable or disable the execute disable mode of the processor.
● Enable CPU XD Support - This option is enabled by default.
Allows you to enable or disable the option to enter setup when an admin password is set.
● Enable Admin Setup Lockout - This option is not set by default.
Allows you to enable or disable the HDD Protection feature
● HDD Protection Support - This option is not set by default.
Allows you to enable or disable Secure Boot feature
● Disabled - This option is selected by default.
● Enabled
NOTE: To enable secure boot, UEFI boot mode must be enabled and Enable Legacy
Option ROMs must be disabled or turned off.
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
NOTE: If you disable the Custom Mode, all the changes made will be erased and the
keys will restore to default settings.
Configuration du système 39