Int 14/AH=E9h

AH = E9h
DX = serial port number (0000h-0003h = COM1-COM4)

Return:
AX >= 0000h session number
AX < 0000h error code (see #00397)

See Also: AH=E0h - AH=E8h - AH=EAh - AX=FF00h

Category: Network - Int 14h - T