Option

Description

 

 

 

 

Disable

 

Activate

 

 

NOTE: The Activate and Disable options will permanently activate or

 

 

disable the feature and no further changes will be allowed

 

Deactivate (default)

CPU XD Support

Allows you to enable the Execute Disable mode of the processor.

 

Enable CPU XD Support (default)

Admin Setup Lockout

Allows you to prevent users from entering Setup when an Administrator

 

password is set.

 

Default Setting: Enable Admin Setup Lockout is not selected.

Table 6. Secure Boot

 

 

 

 

Option

Description

 

 

Secure Boot Enable

This option enables or disables the Secure Boot Feature.

 

Disabled

 

Enabled

 

Default Setting: The option is enabled.

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

 

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.

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Dell 3550 owner manual Kek