Supermicro X12 - Secure Boot Configuration Guide; Setting UEFI Boot Mode for Secure Boot

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Super Secure Boot Conguration Instructions for the X12 Motherboards User's Guide
Conguring Secure Boot Settings
Secure Boot, a feature available in the Unied Extensible Firmware Interface (UEFI) BIOS,
supports Secure Boot by preventing drivers and OS loaders from booting up without an
acceptable digital signature. Secure Boot ensures that boot loaders are digitally signed and
validated upon system boot. It is imperative that Secure Boot settings be properly congured
prior to using your machine. Sections 1~3 of this document provide instructions on how to
enable the Secure Boot features in UEFI. Section 4 provides information on how to congure
Key Management settings. To congure your BIOS settings for Secure Boot, please follow
the instructions below.
Section 1 Setting Your Boot Mode to UEFI
Since Secure Boot is a feature of UEFI, you will need to enable Secure Boot mode in the
UEFI rst by following the steps below.
1. Press <Del> during system boot to enter the BIOS Setup utility.
2. Select the Boot tab from the menu bar on the top of the screen and press <Enter>.
Using the down arrow key, scroll down to select the feature: Boot Mode Select and
press <Enter>.
3. The Boot Mode Select setting options, which include LEGACY, UEFI, and DUAL, will
display as shown in the screen below. From the Boot options, select UEFI and press
<Enter> to set Boot mode to UEFI.
4. For the changes to take e󰀨ect, press <F4> to save the setting and reboot the system.