Dell Inspiron 3520, Руководство пользователя

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Option Description
Master Password
Lockout Allows you to disable master password support. Hard disk password need to be cleared before the setting
can be changed
● Enable Master Password Lockout (Disabled)
Secure Boot screen options
Option Description
Secure Boot
Enable This option enables or disables the Secure Boot feature.
● Disabled
● Enabled
Default setting: Enabled.
Secure Boot
Mode Allows you to change to Secure Boot operation mode, modifies the behavior of the Secure Boot to allow
evaluation or enforcement of UEFI driver signatures. The options are:
● Deployed Mode —Before allowing execution, checks the integrity of UEFI drivers and bootloaders.
● Audit Mode —Performs a signature check but does not block execution of all UEFI drivers and
bootloaders.
Default setting: Deployed Mode
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 that are made are erased and the keys
restore to default settings.
Intel Software Guard Extensions
Option Description
Intel SGX Enable This fields specifies you to provide a secured environment for running code/storing sensitive information
in the context of the main OS. The options are:
● Disabled
● Enabled
● Software Controlled: This option is enabled by default.
Enclave Memory
Size This option sets SGX Enclave Reserve Memory Size. The option are:
● 32 MB
● 64 MB
● 128 MB
BIOS setup 89