Asus Z9PR-D16 - Manual (Page 110)

4-48 Chapter 4: BIOS setup
Internal FV [Always Execute]
Configuration options: [Always Execute]
Option ROM/Removable Media/Fixed Media [Deny Execute]
Configuration options: [Always Execute] [Always Deny] [Allow Execute] [Defer
Execute] [Deny Execute] [Query User]
Key Management
This item only appears when you set the Secure Boot Mode to [Custom]. This allows you to
modify Secure Boot variables and set Key Management page.
Factory Default Key Provisioning [Disabled]
Configuration options: [Disabled] [Enabled]
Install All Factory Default Keys
This item will ask you if you want to Install Factory Default secure variables.
Select Yes if you want to load the default secure variables, otherwise select
No.
Platform Key (PK)/Key Exchange Key Database (KEK)/Authorized Signature
Database (DB)/ Forbidden Signature Database (DBX)
Configuration options: [Set New] [Delete] [Append]