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Boot Option Filter: Select “UEFI and Legacy”, “Legacy only” or “UEFI only”. This option controls what devices system
can boot to.
Launch PXE OpROM Policy: this option controls the execution of UEFI and Legacy PXE OpROM
Launch Storage OpROM: select “Do not launch”, “UEFI only”, “Legacy only”, “Legacy first” or “UEFI first”. This option
controls the execution of UEFI and legacy storage OpROM.