Asus PRIME X370-A User Guide - Page 53

Boot Option Priorities, Boot Override, Delete Key, Save to File, Set New Key, Append Key

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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] 2.8.5 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. 2.8.6 Boot Override These items displays the available devices. The number of device items that appears on the screen depends on the number of devices installed in the system. Click an item to start booting from the selected device. Chapter 2: BIOS information 2-32

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2‑32
Chapter 2: BIOS information
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]
2.8.5
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 <F8> when ASUS Logo appears.
2.8.6
Boot Override
These items displays the available devices. The number of device items that appears on
the screen depends on the number of devices installed in the system. Click an item to start
booting from the selected device.