Int 14 Fn 20  - Hunter 16 - Select Comms Parameters                        [S]

   AH = 20h
   CX = channel number (00h COM1, 01h COM2, ...)
   DS:BX -> buffer with communications parameter (see #0273)

Return: AX = status
       0000h successful
       0001h invalid parameter

See Also: AH=1Eh"HUNTER",AH=21h"HUNTER"