Int 2F Fn 48C5 - PCed/assoc - Version Check [-] AX = 48C5h BL = 01h Return: AX = 0000h if installed BX = binary ASSOC version (BL = major, BH = minor) Note: chains if BL > 02h on entry See Also: AX=48C0h,AX=48C5h/BL=00h,AX=48C5h/BL=02h