User`s manual

 Option ROM Messages [Force BIOS]
Set display mode for option ROM.
Configuration options: [Force BIOS] [Keep Current]
 Interrupt 19 Capture [Disable]
Enabled : Allow option ROMs to trap Int19.
Configuration options: [Disabled][Enabled]
 Boot option priorities [Built-in EFI Shell]
Select the system boot order.
Configuration options: [Built-in EFI Shell][Disabled]