Dell OptiPlex 7040M Owner's Manual page 28

Option
CPU XD Support
OROM Keyboard Access
Admin Setup Lockout
HDD Protection Support
Table 9. Secure Boot
Option
Secure Boot Enable
Expert key Management
Table 10. Intel Software Guard Extensions
Option
Intel SGX Enable
28
Description
• On-Silent — Enabled by default if chassis intrusion is detected.
Allows you to enable or disable the Execute Disable mode of the processor. This option is
enabled by default.
This option determines whether users are able to enter Option ROM Configuration screens via
hotkeys during boot. Specifically, these settings are capable of preventing access to Intel RAID
(CTRL+I) or Intel Management Engine BIOS Extension (CTRL+P/F12)
• Enable — User may enter OROM configuration screens via the hotkey.
• One-Time Enable — User may enter OROM configuration screens via the hotkeys on next
boot only. After next boot, the setting will revert to disabled.
• Disable — User may not enter OROM configuration screens via the hotkey.
This option is set to Enable by default.
Allows you to enable or disable the option to enter Setup when an Administrative password is
set. This option is not set by default.
Allows you to enable or disable the HDD Protection feature. This option is an advanced feature,
which is intended to keep the HDD data secure and unchangeable. By default, this option is
disabled.
Description
Allows you to enable or disable Secure Boot feature
• Disable
• 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
NOTE: If you disable the Custom Mode, all the changes made will be erased and the
keys will restore to default settings.
Description
Allows you to enable or disable the Intel Software Guard Extensions to provide a secured
environment for running code/storing sensitive information in the context of the main
operating system.
• Disabled (default)