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 file from your system. Configuration 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 files.

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.

Delete the dbx

Allows you to delete the dbx file from your system. Configuration 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 files.

The DBX file must be formatted as a UEFI variable structure with time-based authenticated variable.

2.8.11Boot 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.

2.8.12Boot 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