Supermicro A2SDi-H-TF User Manual page 93

 UEFI USB Key Drive BBS Priorities
This feature is displayed when a storage media is detected.
 UEFI NETWORK Drive BBS Priorities
•
Boot Option # - This feature sets the system boot order of detected devices. The options
are [the list of detected boot device(s)] and Disabled.
 Add New Boot Option
This feature is displayed when a storage media is detected.
 Delete Boot Option
Use this item to select a boot device to delete from the boot priority list.
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Chapter 4: BIOS