Boot mode:
[ Legacy, UEFI Hybrid, UEFI native]

UEFI Boot order:

[PCle/M.2 SSD Hard Drive, OS Boot manager,
  USB Hard Drive, Notebook EthernetIPV4,
  EthernetIPV6, Optical Disk drive
  Sd Card, Generic USB Device,
  Customized Boot
]

Legacy Boot Order:

[
  USB CD ROM
  PCle/M.2 SSD Drive
  Optical Disk Drive
  Notebook Hard Drive
  USB Hard Drive
  Notebook Ethernet
]