DIAMOND FLOWER, INC.
====================

   DIO-550G

   Card Type           Multi-I/O card                             
   Chip Set            Startech                                   
   I/O Options         Serial ports (2), parallel port, game port 
   Data Bus            8-bit ISA                                  

<gopher://bitreich.org/I/th99/i/C-D/54454-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |       Function       | Label |      Function       | Label |
   |----------------------+-------+---------------------+-------|
   | Game port            |  J1   | Serial port 1       |  J3   |
   |----------------------+-------+---------------------+-------|
   | Serial port 2        |  J2   | Parallel port       |  J4   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |           Function           | Label |      Position       |
   |------------------------------+-------+---------------------|
   |>> | Game port enabled        |  JP2  | Pins 25 & 38 closed |
   |---+--------------------------+-------+---------------------|
   |   | Game port disabled       |  JP2  | Pins 12 & 25 closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              PARALLEL PORT ADDRESS SELECTION               |
   |------------------------------------------------------------|
   |          Setting           |              JP2              |
   |----------------------------+-------------------------------|
   |>> |      LPT1 (378h)       |      Pins 6 & 19 closed       |
   |---+------------------------+-------------------------------|
   |   |      LPT2 (278h)       |      Pins 18 & 31 closed      |
   |---+------------------------+-------------------------------|
   |   |      LPT3 (3BCh)       |      Pins 5 & 18 closed       |
   |---+------------------------+-------------------------------|
   |   |        Disabled        |      Pins 19 & 32 closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              SERIAL PORT 1 ADDRESS SELECTION               |
   |------------------------------------------------------------|
   |          Setting           |              JP2              |
   |----------------------------+-------------------------------|
   |>> |      COM1 (3F8h)       |      Pins 14 & 27 closed      |
   |---+------------------------+-------------------------------|
   |   |      COM2 (2F8h)       |      Pins 15 & 28 closed      |
   |---+------------------------+-------------------------------|
   |   |      COM3 (3E8h)       |      Pins 16 & 29 closed      |
   |---+------------------------+-------------------------------|
   |   |      COM4 (2E8h)       |      Pins 17 & 30 closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              SERIAL PORT 2 ADDRESS SELECTION               |
   |------------------------------------------------------------|
   |          Setting           |              JP2              |
   |----------------------------+-------------------------------|
   |   |      COM1 (3F8h)       |      Pins 1 & 14 closed       |
   |---+------------------------+-------------------------------|
   |>> |      COM2 (2F8h)       |      Pins 2 & 15 closed       |
   |---+------------------------+-------------------------------|
   |   |      COM3 (3E8h)       |      Pins 3 & 16 closed       |
   |---+------------------------+-------------------------------|
   |   |      COM4 (2E8h)       |      Pins 4 & 17 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             SERIAL PORT 1 INTERRUPT SELECTION              |
   |------------------------------------------------------------|
   |            IRQ             |              JP2              |
   |----------------------------+-------------------------------|
   |    |         IRQ2          |      Pins 7 & 20 closed       |
   |----+-----------------------+-------------------------------|
   |    |         IRQ3          |      Pins 21 & 34 closed      |
   |----+-----------------------+-------------------------------|
   |>>  |         IRQ4          |      Pins 8 & 21 closed       |
   |----+-----------------------+-------------------------------|
   |    |         IRQ5          |      Pins 20 & 33 closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             SERIAL PORT 2 INTERRUPT SELECTION              |
   |------------------------------------------------------------|
   |            IRQ             |              JP2              |
   |----------------------------+-------------------------------|
   |    |         IRQ2          |      Pins 9 & 22 closed       |
   |----+-----------------------+-------------------------------|
   |>>  |         IRQ3          |      Pins 23 & 36 closed      |
   |----+-----------------------+-------------------------------|
   |    |         IRQ4          |      Pins 10 & 23 closed      |
   |----+-----------------------+-------------------------------|
   |    |         IRQ5          |      Pins 22 & 35 closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             PARALLEL PORT INTERRUPT SELECTION              |
   |------------------------------------------------------------|
   |            IRQ             |              JP2              |
   |----------------------------+-------------------------------|
   |>>  |         IRQ7          |      Pins 11 & 24 closed      |
   |----+-----------------------+-------------------------------|
   |    |         IRQ5          |      Pins 24 & 37 closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT MODE SELECTION                |
   |------------------------------------------------------------|
   |             Setting              |           JP2           |
   |----------------------------------+-------------------------|
   |>> | Uni-directional              |   Pins 26 & 39 closed   |
   |---+------------------------------+-------------------------|
   |   | Bi-Directional (EPP/ECP)     |   Pins 13 & 26 closed   |
   +------------------------------------------------------------+