INT 6F - HP Vectra EX-BIOS - "F_SYSTEM SF_OPEN" - RESERVE DRIVER FOR ACCESS AX = 020Eh BP = driver ID (see #03741) for V_HPHIL, others Return: AH = status (see #03744) BP,DS destroyed Desc: place device in open state, which allows output to the device SeeAlso: AH=00h"HP Vectra",AX=0200h,AX=0208h,AX=0210h