INT 21 - Software Carousel - SEND COMMAND TO MEMORY SECTION AX = DF07h BL = task number CX = length of command (max 8 chars) DS:SI -> command line Return: AL = status 00h Carousel not running 01h successful FFh unsucessful AH = error code (01h,06h) (see #01813) Note: the maximum length seems too small and may be a typo for 80 characters