Chapter 4: BIOS
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Secure Boot Mode
Use this item to congure Secure Boot variables without authentication. The options are
Standard and Custom.
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 Enabled
and Disabled.
Key Management
This submenu allows the user to congure the following Key Management settings.
Provision Factory Default Keys
Select Enabled to install the default Secure Boot keys set by the manufacturer. The op-
tions are Disabled and Enabled.
Restore Factory Keys
Select Yes to force system to install factory default keys. The options are Yes and No.
Reset to Setup Mode
Select Yes to delete all erase all Secure Boot key databases from NVRAM. The options
are Yes and No.
Export All Secure Boot Variables
This feature allows the user to copy all variables onto a le on a separate device.
Enroll EFI Image
This feature allows the image to run in Secure Boot Mode. Enroll SHA256 Hash Certi-
cate of the image into the Authorized Signature Database.
Device Guard Ready
Remove 'UEFI CA' from DB
Use this feature to remove the Microsoft UEFI CA certicate from the database. The
options are Yes and No.
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