Motherboard Manual

2-32
Chapter 2: Getting started
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.
Load db from File
Allows you to load the downloaded db from a USB storage device.
Copy db from le
Allows you to store the db to a USB storage device.
Delete the db
Allows you to delete the db le from your system. Conguration options: [Yes] [No]
Append db from le
Allows you to load the additional db from a storage device so that more images can be
loaded securely.
The db le 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 le
Allows you to store the dbx to a USB storage device.
Delete the dbx
Allows you to delete the dbx le from your system. Conguration options: [Yes] [No]
Append dbx from le
Allows you to load the additional dbx from a storage device so that more db’s images
cannot be loaded.
The dbx le must be formatted as a UEFI variable structure with time-based authenticated
variable.
2.7.9 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.
• To access Windows OS in Safe Mode, press <F8> after POST.