Dell OptiPlex 7040M Owner's Manual page 29

Table 8. Security (continued)

Option

Chassis Intrusion

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

Enclave Memory Size

Description

Allows you to control the chassis intrusion feature. You can set this option to:

● Enable

● Disable

● 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)

● Enabled

Allows you to set the Intel SGX Enclave Reserve Memory Size.

Configuración del sistema

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