Dell D28M, Service Manual

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Option Description
• Permanently Disabled
Chassis Intrusion This field controls the chassis intrusion feature.
The options are:
• Disabled—enabled by default
• Enabled
• On-Silent
OROM Keyboard Access This option determines whether users can enter Option ROM Configuration screens through
hotkeys during the system boot.
• Disabled
• Enabled—enabled by default
• One Time Enable
Admin Setup Lockout Allows you to prevent users from entering the setup when Admin password is set. This option is
disabled by default.
Master Password Lockout When enabled, this option disables master password support. This option is disabled by default.
SMM Security Mitigation Allows you to enable or disable another UEFI SMM Security Mitigation protections. This option is
disabled by default.
Secure boot options
Table 7. 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 Key s- 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.
72 System setup