Asus Z87-C Z87-C User's Manual - Page 89

Boot Option Priorities, DB Management - drivers download

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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 db from File Allows you to load the downloaded db from a USB storage device. Append db from File Allows you to load the additional db from a storage device so that more images can be loaded securely. 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. Load dbx from File Allows you to load the downloaded dbx from a USB storage device. Configuration options: [Yes] [No] Append dbx from File Allows you to load the additional dbx from a storage device so that more db's images cannot be loaded. The dbx file must be formatted as a UEFI variable structure with time-based authenticated variable. 2.8.12 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, do any of the following: • Press when ASUS Logo appears. • Press after POST. • To select the boot device during system startup, press when ASUS Logo appears. Chapter 2: BIOS information 2-43

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Chapter 2: BIOS information
2-43
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 db from File
Allows you to load the downloaded db from a USB storage device.
Append db from File
Allows you to load the additional db from a storage device so that more
images can be loaded securely.
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.
Load dbx from File
Allows you to load the downloaded dbx from a USB storage device.
Configuration options: [Yes] [No]
Append dbx from File
Allows you to load the additional dbx from a storage device so that more
db’s images cannot be loaded.
The dbx file must be formatted as a UEFI variable structure with time-based authenticated
variable.
2.8.12
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, do any of the following:
•
Press <F5> when ASUS Logo appears.
•
Press <F8> after POST.
•
To select the boot device during system startup, press <F8> when ASUS Logo
appears.