Supermicro C7Z270-CG - Key Management (Available When Secure Boot Mode Is Set to Customized); Provision Factory Default Keys; Install Factory Default Keys; Enroll Efi Image

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Supermicro C7Z270-CG Motherboard User’s Manual
The feature, Key Management, allows experienced users to modify Secure
Boot Variables.
Provision Factory Default Keys
Allow provisioning the factory default secure boot keys when system is
in setup mode. The options are Disabled and Enabled.
Install Factory Default Keys
This option forces the system to install the factory default keys. Click
Yes or No.
Enroll E Image
This option allows the image to run in Secure Boot Mode. Enroll SHA256
Hash Certicate of the image into the Authorized Signature Database.
Save All Secure Boot Variables
This option saves all revised Secure Boot settings.
Key Management (Available when Secure Boot Mode is set
to 'Customized')