Specifications

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.
Delete the db
Allows you to delete the db le from your system. Conguration options:
[Yes] [No]
Load Default db
Select Yes to load the system default db (signature database) or select No
to load a downloaded db from a USB storage device.
Append Default db from file
Select Yes to append the system default db (signature database) or select
No to append a downloaded additional db from a USB storage device to
load certain customized UEFI executable les.
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.
Delete the dbx
Allows you to delete the dbx le from your system. Conguration options:
[Yes] [No]
Load DBX from File
Select Yes to load the system default dbx (revoked signature database) or
select No to load a downloaded dbx from a USB storage device.
Append Default dbx
Select Yes to append the system default dbx (revoked signature database)
or select No to append a downloaded additional dbx from a USB storage
device to forbid certain customized UEFI executable les.
The DBX le must be formatted as a UEFI variable structure with time‑based authenticated
variable.
2.8.11 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, do any of the following:
• Press <F5> when ASUS Logo appears.
• Press <F8> after POST.
2.8.12 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.
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Chapter 2: Getting started