GIGA-BYTE TECHNOLOGY G481-HA1, Service Manual

Page: 110 / 124

BIOS Setup - 110 -
Parameter
Description
Key Management
Press [Enter] to configure advanced items.
Please note that this item is configurable when Secure Boot Mode is set
to Custom.
Š
Provision Factory Defaults
– Allows to provision factory default Secure Boot keys when system is in
Setup Mode.
– Options available: Enabled/Disabled. Default setting is Disabled .
Š
Install Factory Default Keys
– Installs all factory default keys. It will force the system in User Mode.
– Options available: Yes/No.
Š
Enroll Efi Image
– Press [Enter] to enroll SHA256 hash of the binary into Authorized
Signature Database (db).
Š
Save all Secure Boot variables
– Press [Enter] to save all Secure Boot Keys and Key variables.
Š
Secure Boot variable
– Displays the current status of the variables used for secure boot.
Š
Platform Key (PK)
– Displays the current status of the Platform Key (PK).
– Press [Enter] to configure a new PK.
– Options available: Set New.
Š
Key Exchange Keys (KEK)
– Displays the current status of the Key Exchange Key Database (KEK).
– Press [Enter] to configure a new KEK or load additional KEK from
storage devices.
– Options available: Set New/Append.
Š
Authorized Signatures (DB)
– Displays the current status of the Authorized Signature Database.
– Press [Enter] to configure a new DB or load additional DB from storage
devices.
– Options available: Set New/Append.
Š
Forbidden Signatures (DBX)
– Displays the current status of the Forbidden Signature Database.
– Press [Enter] to configure a new dbx or load additional dbx from
storage devices.
– Options available: Set New/Append.
Š
Authorized TimeStamps (DBT)
– Displays the current status of the Authorized TimeStamps Database.
– Press [Enter] to configure a new DBT or load additional DBT from
storage devices.
– Options available: Set New/Append.
Š
OsRecovery Signatures
– Displays the current status of the OsRecovery Signature Database.
– Press [Enter] to configure a new OsRecovery Signature or load
additional OsRecovery Signature from storage devices.
– Options available: Set New/Append.