)
Values for display combination code:
 00h	no display
 01h	monochrome adapter w/ monochrome display
 02h	CGA w/ color display
 03h	reserved
 04h	EGA w/ color display
 05h	EGA w/ monochrome display
 06h	PGA w/ color display
 07h	VGA w/ monochrome analog display
 08h	VGA w/ color analog display
 09h	reserved
 0Ah	MCGA w/ digital color display
 0Bh	MCGA w/ monochrome analog display
 0Ch	MCGA w/ color analog display
 FFh	unknown display type