Int 61 Fn 03  - Banyan Vines - Install Service Handler                     [N]

   AH = 03h
   AL = service ID (see #3122)
   DS:DX -> new service handler

Return: AX = 0000h successful

See Also: AH=00h,AH=01h"VINES",AH=02h"VINES",AH=05h"VINES"