Appendix F: Secure Boot Settings
145
Secure Boot
This feature is available when the platform key (PK) is pre-registered where the platform
operates in the User mode and compatibility support module (CSM) support is disabled in
the BIOS Setup utility. Select Enabled for secure boot flow control. The options are
Disabled
and Enabled.
Secure Boot Mode
Use this feature to set the secure boot mode. The options are Standard and
Custom
. Select
Standard to load manufacturer's default secure variables. Select Custom to change the image
execution policy and to manage secure boot keys.
CSM Support
Select Enabled to support the legacy CSM, which provides compatibility support for traditional
legacy BIOS for system boot. The options are Disabled and
Enabled
.
F.2 Secure Boot/ Secure Boot Mode/ CSM Support Features
Press <Del> during system boot to enter the BIOS Setup utility. Navigate
to
the Security
tab
as shown below.
Use the arrow keys to select Secure Boot and press <Enter> to access the menu items. The
following screen will appear.