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       # DECISION COMPUTER INTERNATIONAL CO., LTD.
       
          PCCOM 8-BIT ISA 8-PORT DB-37 RS-232/422
       
          Card Type         Serial                                       
          Chipset           GoldStar                                     
          I/O Options       Serial ports (8)                             
          Data Bus          8-bit ISA                                    
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |      Function       | Label  |      Function       | Label |
          |---------------------+--------+---------------------+-------|
          | Serial ports via    |   J1   | Daisy chain         |  J3   |
          | DB-37 port          |        | connector (see      |       |
          |                     |        | pinout below)       |       |
          |---------------------+--------+---------------------+-------|
          | Unidentified        |   J2   |                     |       |
          |------------------------------------------------------------|
          |      Note:Standard DB-25 serial ports are provided on an   |
          |      included adapter cable.                               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         J3 PINOUT                          |
          |------------------------------------------------------------|
          |        Function        | Pin |       Function        | Pin |
          |------------------------+-----+-----------------------+-----|
          | Daisy chain out        |  1  | Daisy chain in        |  3  |
          |------------------------+-----+-----------------------+-----|
          | Daisy chain out        |  2  | Daisy chain in        |  4  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |                Setting                 | Label | Position  |
          |----------------------------------------+-------+-----------|
          | » | Interrupt master                   |  JP1  |  Closed   |
          |---+------------------------------------+-------+-----------|
          |   | Interrupt slave                    |  JP1  |   Open    |
          |---+------------------------------------+-------+-----------|
          | » | Factory configured - do not alter  | SW3/7 |    On     |
          |---+------------------------------------+-------+-----------|
          | » | Interrupt vector enabled           | SW3/8 |    Off    |
          |---+------------------------------------+-------+-----------|
          |   | Interrupt vector disabled          | SW3/8 |    On     |
          |------------------------------------------------------------|
          |      Note:Only one board per system should be set to       |
          |      interrupt master.                                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      BASE I/O ADDRESS                      |
          |------------------------------------------------------------|
          |  Setting   |   SW1/1   |   SW1/2   |   SW1/3   |   SW1/4   |
          |------------+-----------+-----------+-----------+-----------|
          |    000h    |    On     |    On     |    On     |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |    040h    |    On     |    On     |    On     |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |    080h    |    On     |    On     |    Off    |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |    0C0h    |    On     |    On     |    Off    |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |    100h    |    On     |    Off    |    On     |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |    140h    |    On     |    Off    |    On     |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |    180h    |    On     |    Off    |    Off    |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |    1C0h    |    On     |    Off    |    Off    |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |    200h    |    Off    |    On     |    On     |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |    240h    |    Off    |    On     |    On     |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |    280h    |    Off    |    On     |    Off    |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |    2C0h    |    Off    |    On     |    Off    |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |    300h    |    Off    |    Off    |    On     |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |    340h    |    Off    |    Off    |    On     |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |    380h    |    Off    |    Off    |    Off    |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |    3C0h    |    Off    |    Off    |    Off    |    Off    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         INTERRUPT                          |
          |------------------------------------------------------------|
          | Setting | SW2/1  | SW2/2  | SW2/3  | SW2/4 | SW2/5 | SW2/6 |
          |---------+--------+--------+--------+-------+-------+-------|
          |  IRQ2   |   On   |  Off   |  Off   |  Off  |  Off  |  Off  |
          |---------+--------+--------+--------+-------+-------+-------|
          |  IRQ3   |  Off   |   On   |  Off   |  Off  |  Off  |  Off  |
          |---------+--------+--------+--------+-------+-------+-------|
          |  IRQ4   |  Off   |  Off   |   On   |  Off  |  Off  |  Off  |
          |---------+--------+--------+--------+-------+-------+-------|
          |  IRQ5   |  Off   |  Off   |  Off   |  On   |  Off  |  Off  |
          |---------+--------+--------+--------+-------+-------+-------|
          |  IRQ6   |  Off   |  Off   |  Off   |  Off  |  On   |  Off  |
          |---------+--------+--------+--------+-------+-------+-------|
          |  IRQ7   |  Off   |  Off   |  Off   |  Off  |  Off  |  On   |
          |---------+--------+--------+--------+-------+-------+-------|
          |  Slave  |  Off   |  Off   |  Off   |  Off  |  Off  |  Off  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      INTERRUPT VECTOR                      |
          |------------------------------------------------------------|
          | Setting | SW3/1  | SW3/2  | SW3/3  | SW3/4 | SW3/5 | SW3/6 |
          |---------+--------+--------+--------+-------+-------+-------|
          |  000h   |   On   |   On   |   On   |  On   |  On   |  On   |
          |---------+--------+--------+--------+-------+-------+-------|
          |  010h   |   On   |   On   |   On   |  On   |  On   |  Off  |
          |---------+--------+--------+--------+-------+-------+-------|
          |  020h   |   On   |   On   |   On   |  On   |  Off  |  On   |
          |---------+--------+--------+--------+-------+-------+-------|
          |  030h   |   On   |   On   |   On   |  On   |  Off  |  Off  |
          |---------+--------+--------+--------+-------+-------+-------|
          |  040h   |   On   |   On   |   On   |  Off  |  On   |  On   |
          |---------+--------+--------+--------+-------+-------+-------|
          |  3B0h   |  Off   |  Off   |  Off   |  On   |  Off  |  Off  |
          |---------+--------+--------+--------+-------+-------+-------|
          |  3C0h   |  Off   |  Off   |  Off   |  Off  |  On   |  On   |
          |---------+--------+--------+--------+-------+-------+-------|
          |  3D0h   |  Off   |  Off   |  Off   |  Off  |  On   |  Off  |
          |---------+--------+--------+--------+-------+-------+-------|
          |  3E0h   |  Off   |  Off   |  Off   |  Off  |  Off  |  On   |
          |---------+--------+--------+--------+-------+-------+-------|
          |  3F0h   |  Off   |  Off   |  Off   |  Off  |  Off  |  Off  |
          |------------------------------------------------------------|
          |      Note:A total of 64 vector address settings are        |
          |      available. The switches are a binary representation   |
          |      of the decimal memory addresses. SW3/1 is the Most    |
          |      Significant Bit and switch SW3/6 is the Least         |
          |      Significant Bit. The switches have the following      |
          |      decimal values: SW3/1=512, SW3/2=256, SW3/3=128,      |
          |      SW3/4=64, SW3/5=32, SW3/6=16. Turn off the switches   |
          |      and add the values of the switches that are off to    |
          |      obtain the correct address. (Off=1, On=0)             |
          +------------------------------------------------------------+