Int 17 Fn 90  - Alloy Ntnx, Mw386 - Spool File By Name                     [N]

   AH = 90h
   AL = mode
       00h NTNX compatibility
       DL = printer code (FFh=current) (NTNX, MW386 v1.x only)
       DH = number of copies (FFh=current) (NTNX, MW386 v1.x only)
       02h MW386 v2+
       BX = logical device number
           00h-03h = LPT1-LPT4
           04h-07h = COM1-COM4
   CX:SI -> ASCIZ pathname

Return: AL = status (see AH=81h)

Note:  in mode 00h, the file is always sent to logical LPT1

See Also: AH=A0h