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       # TTC COMPUTER PRODUCTS
       
          MP-005
       
          Card Type          Parallel card                               
          Chipset/Controller National Semiconductor                      
          I/O Options        Parallel ports (2)                          
          Maximum DRAM       N/A                                         
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |      Purpose      | Location |     Purpose      | Location |
          |-------------------+----------+------------------+----------|
          | Parallel port 1   |    J1    | Parallel port 2  |    J2    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              PRIMARY PORT I/O ADDRESS SELECT               |
          |------------------------------------------------------------|
          |          Address           |              JP2              |
          |----------------------------+-------------------------------|
          | »  |         378h          |       Pins 1 & 2 closed       |
          |----+-----------------------+-------------------------------|
          |    |         3BCh          |       Pins 3 & 4 closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             SECONDARY PORT I/O ADDRESS SELECT              |
          |------------------------------------------------------------|
          |          Address           |              JP2              |
          |----------------------------+-------------------------------|
          | »   |         278h         |       Pins 7 & 8 closed       |
          |-----+----------------------+-------------------------------|
          |     |         3BCh         |       Pins 5 & 6 closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |           PRIMARY PARALLEL PORT INTERRUPT SELECT           |
          |------------------------------------------------------------|
          |            IRQ             |              JP1              |
          |----------------------------+-------------------------------|
          | »     |        IRQ7        |       Pins 5 & 6 closed       |
          |-------+--------------------+-------------------------------|
          |       |        IRQ5        |       Pins 1 & 2 closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |          SECONDARY PARALLEL PORT INTERRUPT SELECT          |
          |------------------------------------------------------------|
          |            IRQ             |              JP1              |
          |----------------------------+-------------------------------|
          | »     |        IRQ5        |       Pins 3 & 4 closed       |
          |-------+--------------------+-------------------------------|
          |       |        IRQ7        |       Pins 7 & 8 closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |         PRIMARY PARALLEL PORT I/O DIRECTION SELECT         |
          |------------------------------------------------------------|
          |                Mode                |          JP4          |
          |------------------------------------+-----------------------|
          | »         |         Output         |        Closed         |
          |-----------+------------------------+-----------------------|
          |           |         Input          |         Open          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |        SECONDARY PARALLEL PORT I/O DIRECTION SELECT        |
          |------------------------------------------------------------|
          |                Mode                |          JP3          |
          |------------------------------------+-----------------------|
          | »          |        Output         |        Closed         |
          |------------+-----------------------+-----------------------|
          |            |         Input         |         Open          |
          +------------------------------------------------------------+