Owners Manual

Table 27. Security (continued)
Option Description
Disabled
Permanently Disabled
Chassis Intrusion This field controls the chassis intrusion feature.
Choose any one of the option:
Disabled (default)
Enabled
On-Silent
OROM Keyboard Access This option determines weather users are able to enter Option ROM Configuration screens
via hotkeys during boot.
Enabled (Default)
Disabled
One Time Enable
Admin Setup Lockout Allows you to prevent users from entering Setup when Admin password is set. This option is
not set by default.
Master Password Lockout Allows you to disable master password support Hard Disk passwords need to be cleared
before the settings can be changed. This option is not set by default.
SMM Security Mitigation Allows you to enable or disable additional UEFI SMM Security Mitigation protections. This
option is not set by default.
Secure boot options
Table 28. Secure Boot
Option Description
Secure Boot Enable Allows you to enable or disable Secure Boot feature
Secure Boot Enable
This option is not selected by default.
Secure Boot Mode Allows you to modify the behavior of Secure Boot to allow evaluation or enforcement of
UEFI driver signatures.
Deployed Mode (default)
Audit Mode
Expert key Management 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 (default)
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
System setup 23