(TXT) View Source
       
       # COMPUTER PERIPHERALS, INC.
       
          VIVA 24 INTERNAL
       
          Modem Type                   Data (asynchronous)               
          Maximum Data Rate            2400bps                           
          Data Bus                     8-bit ISA                         
          Data Modulation Protocol     Bell 103A/212A                    
                                                                         
                                       ITU-T V.21, V.22, V.22bis         
          Error Correction/Compression MNP5, V.42bis                     
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |      Purpose      | Location |     Purpose      | Location |
          |-------------------+----------+------------------+----------|
          | Line out          |   CN1    | Line in          |   CN2    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 BASE I/O ADDRESS SELECTION                 |
          |------------------------------------------------------------|
          |       Port       |        JP2         |        JP3         |
          |------------------+--------------------+--------------------|
          |   COM1: (3F8h)   | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
          |------------------+--------------------+--------------------|
          |   COM2: (2F8h)   | Pins 2 & 3 closed  | Pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |   COM3: (3E8h)   | Pins 1 & 2 closed  | Pins 2 & 3 closed  |
          |------------------+--------------------+--------------------|
          | » COM4: (2E8h)   | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    INTERRUPT SELECTION                     |
          |------------------------------------------------------------|
          |            IRQ             |              JP1              |
          |----------------------------+-------------------------------|
          | » 3                        |       Pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |             4              |       Pins 3 & 4 closed       |
          |----------------------------+-------------------------------|
          |             5              |       Pins 5 & 6 closed       |
          |----------------------------+-------------------------------|
          |             7              |       Pins 7 & 8 closed       |
          +------------------------------------------------------------+
       
                            Proprietary AT Command Set
       
                  See document V1610 for a full command summary.