Int 14 Fn A0  - Interconnections Inc. Tes - Installation Check/status Rep  [S]

   AH = A0h
   CX = FFFFh

Return: CF clear if successful
       AX = 5445h ('TE')
       CX <> FFFFh
       DX = port number
   CF set on error
Program: TES is a network serial port emulation program

See Also: AH=A1h"TES"