IBM CORPORATION
===============

   INTERNAL MODEM 2400BPS

   Card Type                Modem (asynchronous)                  
   Chip Set                 Unidentified                          
   Maximum Data Rate        2400bps                               
   Data Bus                 8-bit ISA                             
   Data Modulation Protocol Bell 103/212A                         
                                                                  
                            ITU-T V.22bis                         

<gopher://bitreich.org/I/th99/t/I-L/52031-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Function | Label  |       Function       |      Label      |
   |------------------------------------------------------------|
   | Line out     |   CN1    | Speaker adapter connection | CN3 |
   |--------------+----------+----------------------------+-----|
   | Line in      |   CN2    |                            |     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    SERIAL PORT ADDRESS                     |
   |------------------------------------------------------------|
   |     Setting      |         E1         |         E2         |
   |------------------+--------------------+--------------------|
   |   COM1 (3F8h)    | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
   |------------------+--------------------+--------------------|
   |   COM2 (2F8h)    | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
   +------------------------------------------------------------+

                     Proprietary AT Command Set

           See document V2029 for a full command summary.