INT 6F - HP Vectra EX-BIOS - "F_IO_CTRL SF_CRV_WR_ACK" - ACKNOWLEDGE DEVICE AX = 040Ah BP = 0114h (driver ID for V_HPHIL) BX = device address indicator (see #03760) DH = HP HIL device major address DL = acknowledge number (specific if 01h-07h, generic otherwise) Return: AH = status (see #03744) BP,DS destroyed SeeAlso: AH=00h"HP Vectra",AX=0406h/BP=0114h,AX=040Ch/BP=0114h