Supermicro X11DAC User Manual page 125

 Delete Driver Option
Use this item to select a boot driver to delete from the boot priority list.
Delete Drive Option
Select the target boot driver to delete from the boot priority list.
 UEFI Hard Disk Drive BBS Priorities
•
Boot Option #1 - #5
 UEFI USB Key Drive BBS Priorities
•
Boot Option #1
 UEFI Application Boot Priorities
•
Boot Option #1
 Network Drive BBS Priorities
•
Boot Option #1
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Chapter 4: UEFI BIOS