INT 6F - HP Vectra EX-BIOS - "F_IO_CTRL SF_DISABLE_HPHIL" - MASK HP-HIL INT
	AX = 040Ah
	BP = 001Eh (driver ID for V_S8259)
Return: AH = status (see #03744)
	BP,DS destroyed
SeeAlso: AH=00h"HP Vectra",AX=0402h/BP=001Eh,AX=0406h/BP=001Eh
SeeAlso: AX=0408h/BP=001Eh