Supermicro X12 Secure Boot Configuration Instructions page 22

Super Secure Boot Configuration Instructions for the X12 Motherboards User's Guide
Press <Enter> and the following screen will appear.
To load the manufacturer defaults, select Yes and press <Enter>. The following screen will
appear.
To load KEKs from a file in an external device, select to No and press <Enter>. Refer to
pages 21 and 22 on how to load KEKs from a file in an external device.
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