Gigabyte MW22-SE0 User Manual page 64

2-5-1 UEFI USB Drive BBS Priorities
The UEFI USB drive BBS priorities submenu allows you to specify the boot device priority from the available
UEFI USB drives during system boot-up. BIOS setup will display an error message if the legacy drive(s)
specified is not bootable.
BIOS Setup - 64 -