XIRCOM, INC.
============

   MPM-4

   Card Type              Modem(asynchronous)                     
   Chip Set               Unidentified                            
   Maximum Data Rate      28.8Kbps                                
   Maximum Fax Rate       N/A                                     
   Data Bus               16 bit ISA                              
   Fax Class              N/A                                     
   Data Modulation        AT&T V.32terbo                          
   Protocol                                                       
                          Bell 103A/212A                          
                                                                  
                          ITU-T V.22, V.22bis, V.23, V.32,        
                          V.32bis, V.34                           
   Fax Modulation         N/A                                     
   Protocol               
   Error                  MNP5, V.42bis                           
   Correction/Compression 

<gopher://bitreich.org/I/th99/t/U-Z/51805-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |        Function        |  Label  |   Function   |  Label   |
   |------------------------------------------------------------|
   | Line 1 out                  |   CN1    | Line 3 out | CN3  |
   |-----------------------------+----------+------------+------|
   | Line 2 out                  |   CN2    | Line 4 out | CN4  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      I/O PORT ADDRESS                      |
   |------------------------------------------------------------|
   |             Address              |           SW1           |
   |----------------------------------+-------------------------|
   |               280h               |            0            |
   |----------------------------------+-------------------------|
   |               2A0h               |            1            |
   |----------------------------------+-------------------------|
   |               2C0h               |            2            |
   |----------------------------------+-------------------------|
   |               2E0h               |            3            |
   |----------------------------------+-------------------------|
   |              i 300h              |            4            |
   |----------------------------------+-------------------------|
   |               320h               |            5            |
   |----------------------------------+-------------------------|
   |               340h               |            6            |
   |----------------------------------+-------------------------|
   |               360h               |            7            |
   |----------------------------------+-------------------------|
   |             Not used             |            8            |
   |----------------------------------+-------------------------|
   |             Not used             |            9            |
   |------------------------------------------------------------|
   |      Note: Use the settings in this table only if the      |
   |      Xircom XMAPI driver is installed. Driver configures   |
   |      interrupt settings.                                   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 I/O PORT ADDRESS/INTERRUPT                 |
   |------------------------------------------------------------|
   |   Port 1    |   Port 2    |   Port 3   |   Port 4   | SW1  |
   |-------------+-------------+------------+------------+------|
   | 3F8h, IRQ4  | 2F8h, IRQ3  | 3E8h, IRQ4 | 2E8h, IRQ3 |  A   |
   |-------------+-------------+------------+------------+------|
   | 1A0, IRQ10  | 1A8h, IRQ10 |   1B0h,    |   1B8h,    |  B   |
   |             |             |   IRQ10    |   IRQ10    |      |
   |-------------+-------------+------------+------------+------|
   | 1A0, IRQ12  | 1A8h, IRQ12 |   1B0h,    |   1B8h,    |  C   |
   |             |             |   IRQ12    |   IRQ12    |      |
   |-------------+-------------+------------+------------+------|
   | 2A0, IRQ10  | 2A8h, IRQ10 |   2B0h,    |   2B8h,    |  D   |
   |             |             |   IRQ10    |   IRQ10    |      |
   |-------------+-------------+------------+------------+------|
   | 2A0, IRQ12  | 2A8h, IRQ12 |   2B0h,    |   2B8h,    |  E   |
   |             |             |   IRQ12    |   IRQ12    |      |
   |------------------------------------------------------------|
   |                       Not used                        | F  |
   |------------------------------------------------------------|
   |      Note: Use these settings if the Xircom driver is not  |
   |      installed                                             |
   +------------------------------------------------------------+

                     Proprietary AT Command Set

           See document V1803 for a full command summary.