User Manual

Option Description
NOTE: The Activate, Deactivate, and Disable options will permanently activate or disable the feature and
no further changes will be allowed.
CPU XD Support Allows you to enable the Execute Disable mode of the processor.
Enable CPU XD Support—enabled by default
OROM Keyboard
Access
options:
Enabled (default)
Disabled
One Time Enable
Admin Setup
Lockout
Allows you to prevent users from entering Setup when an Administrator password is set.
Default Setting: The option-Enable Admin Setup lockout is disabled by default.
Master password
lockout
This option is not enabled by default
SMM Security
Mitigation
This option enables or disables additional UEFI SMM Security Mitigation protection. The operating system can use
this feature to help protect the secure environment created by virtualization based security. The option is disabled
by default.
Secure Boot screen options
Option
Description
Secure Boot Enable This option enables or disables the Secure Boot feature.
• Disabled
• Enabled (Default)
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—enabled by 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 le
• Replace from File—Replaces the current key with a key from a user-selected le
• Append from File—Adds a key to the current database from a user-selected le
• 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 are erased and the keys restore to default
settings.
82 System setup options