Dell OptiPlex 5050 Tower Tower Owners Manual - Page 60

Table 10. Security continued, Table 11. Secure Boot, Table 12. Intel Software Guard Extensions

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Table 10. Security (continued) Option Description ● Deactivate - This option is selected by default. ● Disable ● Activate Chassis Intrusion Allows you to control the chassis intrusion feature. You can set this option to: ● Enabled ● Disabled (default) ● On-Silent CPU XD Support OROM Keyboard Access 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 (selected by default)- 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. 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 11. Secure Boot Option Secure Boot Enable Expert key Management Description Allows you to enable or disable Secure Boot feature ● Disable (selected by default) ● 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 (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 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 12. 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. 60 System setup

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Table 10. Security (continued)
Option
Description
●
Deactivate
- This option is selected by default.
●
Disable
●
Activate
Chassis Intrusion
Allows you to control the chassis intrusion feature. You can set this option to:
●
Enabled
●
Disabled (default)
●
On-Silent
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 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 (selected by default)— 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.
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 11. 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 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.
Table 12. 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.
60
System setup