Category: serial I/O

INT 14 - HP Vectra EX-BIOS - "F14_INQUIRE" - INSTALLATION CHECK

	AX = 6F00h
	BX <> 4850h (usually set to 0000h for simplicity)
Return: BX = 4850h ("HP") if HP Extended BIOS serial port extensions available
	AX destroyed
Note:	supported by original HP Vectra AT and by ES/QS/RS series Vectras
SeeAlso: AX=6F01h,AX=6F02h,AX=6F03h,AX=6F04h,INT 10/AX=6F00h,INT 14/AX=6F00h
SeeAlso: INT 17/AX=6F00h,INT 33/AX=6F00h