Asus SABERTOOTH 990FX/GEN3 R2.0 - Manual (Page 106)

3-36 Chapter 3: BIOS setup
Chapter 3
Append db from file
Allows you to load the additional db from a storage device so that more
images can be loaded securely.
Delete the db
Allows you to delete the db file from your system.
Configuration options: [Yes] [No]
The db file must be formatted as a UEFI variable structure with time-based authenticated
variable.
dbx Management
The dbx (Revoked Signature database) lists the forbidden images of db items that are
no longer trusted and cannot be loaded.
Load dbx from File
Allows you to load the downloaded dbx from a USB storage device.
Copy dbx from file
Allows you to store the dbx to a USB storage device.
Append dbx from file
Allows you to load the additional dbx from a storage device so that more
db’s images cannot be loaded.
Delete the dbx
Allows you to delete the dbx file from your system.
Configuration options: [Yes] [No]
The dbx file must be formatted as a UEFI variable structure with time-based authenticated
variable.