Dell OptiPlex 7040 - Mini Tower Owner's Manual page 41

Option
HDD Protection Support
Table 9. Secure Boot
Option
Secure Boot Enable
Expert key Management
Table 10. Intel Software Guard Extensions
Option
Intel SGX Enable
Enclave Memory Size
Description
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)
• Enabled
Allows you to set the Intel SGX Enclave Reserve Memory Size.
• 32 MB
• 64 MB
• 128 MB
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