Option Description
Secure Boot 
Policy Summary
Displays the list of certificates and hashes that secure boot uses to authenticate 
images.
Secure Boot Custom Policy Settings screen details
Secure Boot Custom Policy Settings is displayed only when the Secure Boot Policy option is set to 
Custom.
To view the Secure Boot Custom Policy Settings screen, click System Setup Main Menu → System BIOS 
→ System Security → Secure Boot Custom Policy Settings.
The Secure Boot Custom Policy Settings screen details are explained as follows:
Option Description
Platform Key Imports, exports, deletes, or restores the platform key (PK).
Key Exchange Key 
Database
Enables you to import, export, delete, or restore entries in the Key Exchange Key 
(KEK) Database.
Authorized 
Signature 
Database
Imports, exports, deletes, or restores entries in the Authorized Signature Database 
(db).
Forbidden 
Signature 
Database
Imports, exports, deletes, or restores entries in the Forbidden Signature Database 
(dbx).
Miscellaneous Settings screen details
You can use the Miscellaneous Settings screen to perform specific functions such as updating the asset 
tag and changing the system date and time.
To view the Miscellaneous Settings screen, click System Setup Main Menu → System BIOS → 
Miscellaneous Settings.
The Miscellaneous Settings screen details are explained as follows:
Option
Description
System Time Enables you to set the time on the system.
System Date Enables you to set the date on the system.
Asset Tag Displays the asset tag and enables you to modify it for security and tracking 
purposes.
Keyboard 
NumLock
Enables you to set whether the system boots with the NumLock enabled or 
disabled. This option is set to On by default.
NOTE: This option does not apply to 84-key keyboards.
F1/F2 Prompt on 
Error
Enables or disables the F1/F2 prompt on error. This option is set to Enabled by 
default. The F1/F2 prompt also includes keyboard errors.
Load Legacy 
Video Option 
ROM
Enables you to determine whether the system BIOS loads the legacy video (INT 
10H) option ROM from the video controller. Selecting Enabled in the operating 
system does not support UEFI video output standards. This field is available only for 
UEFI boot mode. You cannot set the option to Enabled if UEFI Secure Boot mode 
is enabled.
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