Asus Z97-WS, User Manual, Page: 127 / 186

Z97-WS
3-55
Chapter 3
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. Doing so may expose
the system to security threats.
Load Default dbx
Select Yes to load the system default dbx or select No to load a
downloaded dbx from a USB storage device.
Append Default dbx
Select Yes to append the system default dbx 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.
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 access Windows
®
OS in Safe Mode, press <F8 > after POST (Windows
®
8 not
supported).
• To select the boot device during system startup, press <F8> when ASUS Logo
appears.
Boot Override
These item displays the available devices. The number of device items that appear on the
screen depends on the number of devices installed in the system. Click an item to start
booting from the selected device.