Asus ROG STRIX B250F GAMING STRIX B250F GAMING BIOS ManualEnglish - Page 33

Append Key Allows you to load the additional KEK from a storage device for an additional db and dbx loaded management. The KEK file must be formatted as a public key certificate or UEFI variable structure with time-based authenticated variable. Delete key Allows you to delete the Key from your system. Configuration options: [Yes] [No] DB Management The db (Authorized Signature database) lists the signers or images of UEFI applications, operating system loaders, and UEFI drivers that you can load on the single computer. Save to File Allows you to save the downloaded db to a USB storage device. Set New Key Allows you to load the downloaded db from a USB storage device. Append Key Allows you to load the additional KEK from a storage device for an additional db and dbx loaded management. The db file must be formatted as a UEFI variable structure with time-based authenticated variable. DBX Management Delete Key Allows you to delete the db file from your system. Configuration options: [Yes] [No] DBX Management The DBX (Revoked Signature database) lists the forbidden images of db items that are no longer trusted and cannot be loaded. Save to File Allows you to load the downloaded dbx to a USB storage device. Set New Key Allows you to load the downloaded dbx from a USB storage device. Append Key Allows you to load the additional KEK from a storage device for an additional db and dbx loaded management. The dbx file must be formatted as a UEFI variable structure with time-based authenticated variable. Delete key Allows you to delete the Key from your system. Configuration options: [Yes] [No] Boot Option Priorities These items specify the boot device priority sequence from the available devices. The number of device items that appears on the screen depends on the number of devices installed in the system. To select the boot device during system startup, press when ASUS Logo appears. ASUS STRIX B250F GAMING 33