SIIG, INC.
==========

   PARALLEL PRO DUAL

   Card Type           Parallel card                              
   Chip Set            Unidentified                               
   I/O Options         Parallel ports (2)                         
   Data Bus            16-bit ISA                                 

<gopher://bitreich.org/I/th99/i/S-T/53016-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |       Function       | Label |      Function       | Label |
   |----------------------+-------+---------------------+-------|
   | Parallel port A      | LPT A | Parallel port B     | LPT B |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function               | Label |   Position   |
   |-------------------------------------+-------+--------------|
   |>> | Parallel pro dual enabled port  |  ENA  |  Pins 1 & 2  |
   |   | A                               |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |   | Parallel pro dual disabled port |  ENA  |  Pins 2 & 3  |
   |   | A                               |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |>> | Parallel pro dual enabled port  |  ENB  |  Pins 1 & 2  |
   |   | B                               |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |   | Parallel pro dual disabled port |  ENB  |  Pins 2 & 3  |
   |   | B                               |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |>> | Factory configured - do not     |  JP9  | Unidentified |
   |   | alter                           |       |              |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 MODE CONFIGURATION PORT A                  |
   |------------------------------------------------------------|
   |       Mode       |        MD0A        |        MD1A        |
   |------------------+--------------------+--------------------|
   |   |   SPP/BPP    | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |     EPP      | Pins 2 & 3 closed  | Pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |     ECP      | Pins 1 & 2 closed  | Pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |>> |   ECP/EPP    | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 MODE CONFIGURATION PORT B                  |
   |------------------------------------------------------------|
   |       Mode       |        MD0B        |        MD1B        |
   |------------------+--------------------+--------------------|
   |   |   SPP/BPP    | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |     EPP      | Pins 2 & 3 closed  | Pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |     ECP      | Pins 1 & 2 closed  | Pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |>> |   ECP/EPP    | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    DMA SELECTION PORT A                    |
   |------------------------------------------------------------|
   |          Setting           |             DMA A             |
   |----------------------------+-------------------------------|
   |   |         DMA 0          |   Pins 1 & 2, 3 & 4 closed    |
   |---+------------------------+-------------------------------|
   |   |         DMA 1          |   Pins 5 & 6, 7 & 8 closed    |
   |---+------------------------+-------------------------------|
   |   |         DMA 2          |  Pins 9 & 10, 11 & 12 closed  |
   |---+------------------------+-------------------------------|
   |>> |         DMA 3          | Pins 13 & 14, 15 & 16 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    DMA SELECTION PORT B                    |
   |------------------------------------------------------------|
   |          Setting           |             DMA B             |
   |----------------------------+-------------------------------|
   |   |         DMA 0          |   Pins 1 & 2, 3 & 4 closed    |
   |---+------------------------+-------------------------------|
   |>> |         DMA 1          |   Pins 5 & 6, 7 & 8 closed    |
   |---+------------------------+-------------------------------|
   |   |         DMA 2          |  Pins 9 & 10, 11 & 12 closed  |
   |---+------------------------+-------------------------------|
   |   |         DMA 3          | Pins 13 & 14, 15 & 16 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             BASE I/O ADDRESS SELECTION PORT A              |
   |------------------------------------------------------------|
   |          Address           |             SEL A             |
   |----------------------------+-------------------------------|
   |    |         3BCh          |       Pins 1 & 2 closed       |
   |----+-----------------------+-------------------------------|
   |>>  |         378h          |       Pins 3 & 4 closed       |
   |----+-----------------------+-------------------------------|
   |    |         278h          |       Pins 5 & 6 closed       |
   |----+-----------------------+-------------------------------|
   |    |         268h          |       Pins 7 & 8 closed       |
   |----+-----------------------+-------------------------------|
   |    |         280h          |      Pins 9 & 10 closed       |
   |----+-----------------------+-------------------------------|
   |    |         288h          |      Pins 11 & 12 closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             BASE I/O ADDRESS SELECTION PORT B              |
   |------------------------------------------------------------|
   |          Address           |             SEL B             |
   |----------------------------+-------------------------------|
   |    |         3BCh          |       Pins 1 & 2 closed       |
   |----+-----------------------+-------------------------------|
   |    |         378h          |       Pins 3 & 4 closed       |
   |----+-----------------------+-------------------------------|
   |>>  |         278h          |       Pins 5 & 6 closed       |
   |----+-----------------------+-------------------------------|
   |    |         268h          |       Pins 7 & 8 closed       |
   |----+-----------------------+-------------------------------|
   |    |         280h          |      Pins 9 & 10 closed       |
   |----+-----------------------+-------------------------------|
   |    |         288h          |      Pins 11 & 12 closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |            PARALLEL PORT A INTERRUPT SELECTION             |
   |------------------------------------------------------------|
   |            IRQ             |           IRQA/1-18           |
   |----------------------------+-------------------------------|
   |      |          9          |       Pins 1 & 2 closed       |
   |------+---------------------+-------------------------------|
   |      |          3          |       Pins 3 & 4 closed       |
   |------+---------------------+-------------------------------|
   |      |          4          |       Pins 5 & 6 closed       |
   |------+---------------------+-------------------------------|
   |      |          5          |       Pins 7 & 8 closed       |
   |------+---------------------+-------------------------------|
   |>>    |          7          |      Pins 9 & 10 closed       |
   |------+---------------------+-------------------------------|
   |      |         10          |      Pins 11 & 12 closed      |
   |------+---------------------+-------------------------------|
   |      |         11          |      Pins 13 & 14 closed      |
   |------+---------------------+-------------------------------|
   |      |         12          |      Pins 15 & 16 closed      |
   |------+---------------------+-------------------------------|
   |      |         15          |      Pins 17 & 18 closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |            PARALLEL PORT B INTERRUPT SELECTION             |
   |------------------------------------------------------------|
   |            IRQ             |           IRQB/1-18           |
   |----------------------------+-------------------------------|
   |      |          9          |       Pins 1 & 2 closed       |
   |------+---------------------+-------------------------------|
   |      |          3          |       Pins 3 & 4 closed       |
   |------+---------------------+-------------------------------|
   |      |          4          |       Pins 5 & 6 closed       |
   |------+---------------------+-------------------------------|
   |>>    |          5          |       Pins 7 & 8 closed       |
   |------+---------------------+-------------------------------|
   |      |          7          |      Pins 9 & 10 closed       |
   |------+---------------------+-------------------------------|
   |      |         10          |      Pins 11 & 12 closed      |
   |------+---------------------+-------------------------------|
   |      |         11          |      Pins 13 & 14 closed      |
   |------+---------------------+-------------------------------|
   |      |         12          |      Pins 15 & 16 closed      |
   |------+---------------------+-------------------------------|
   |      |         15          |      Pins 17 & 18 closed      |
   +------------------------------------------------------------+