Dell OptiPlex XE3 - Page 26

Option Description
CPU XD Support Allows you to enable or disable the Execute Disable mode of the processor. This option is enabled by
default.
OROM Keyboard Access
This option determines whether users are able to enter Option ROM Conguration screens via
hotkeys during boot. Specically, these settings are capable of preventing access to Intel RAID (CTRL
+I) or Intel Management Engine BIOS Extension (CTRL+P/F12).
• Enable (selected by default)— User may enter OROM conguration screens via the hotkey.
• One-Time Enable — User may enter OROM conguration screens via the hotkeys on next boot
only. After next boot, the setting will revert to disabled.
• Disable — User may not enter OROM conguration screens via the hotkey.
Admin Setup Lockout Allows you to enable or disable the option to enter Setup when an Administrative password is set.
This option is not set by default.
Table 25. Secure Boot
Option Description
Secure Boot Enable Allows you to enable or disable Secure Boot feature
• Disable (selected by default)
• Enable
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 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 will be erased and the
keys will restore to default settings.
Table 26. Intel Software Guard Extensions
Option Description
Intel SGX Enable 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)
• Enabled
Enclave Memory Size Allows you to set the Intel SGX Enclave Reserve Memory Size.
• 32 MB
• 64 MB (Disabled by default)
26 System setup