Chapter 4: BIOS
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CSM Support
Select Enabled to support the EFI Compatibility Support Module (CSM), which provides
compatibility support for traditional legacy BIOS for system boot. The options are Disabled
and Enabled.
Key Management
This submenu allows the user to congure the following Key Management settings.
Provision Factory Default Keys (Available when the system is in Setup Mode)
Select Enabled to install factory default secure-boot keys. The options are Enabled and
Disabled.
Enroll All Factory Default Keys
This feature allows the user to store security-related boot data in a le of the same named
in the system root folder of your computer.
Save All Secure Boot Variables
This feature allows the user to save the secure boot settings specied by the user.
Secure Boot Variables: Size/Key#/Key Source
Platform Key (PK): Size/Key#/Key Source
Key Exchange Keys: Size/Key#/Key Source
Authorized Signatures: Size/Key#/Key Source
Forbidden Signatures: Size/Key#/Key Source
Authorized TimeStamps: Size/Key#/Key Source
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