(TXT) View Source
       
       # DIAMOND FLOWER, INC.
       
          MS-422
       
          Card Type          Multi I/O card                              
          Chipset/Controller UMC82450                                    
          I/O Options        Serial ports (2)                            
          Maximum DRAM       N/A                                         
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |   Purpose   | Location |        Purpose         | Location |
          |-------------+----------+------------------------+----------|
          | Serial port |   CN1    | Protective/ground      |   JP9    |
          | 1           |          | connector              |          |
          |-------------+----------+------------------------+----------|
          | Serial port |   CN2    |                        |          |
          | 2           |          |                        |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 SERIAL PORT CONFIGURATION                  |
          |------------------------------------------------------------|
          |   Port 1 (CN1)    | Port 2 (CN2)  |   SW1/1    |   SW1/2   |
          |-------------------+---------------+------------+-----------|
          | »   |    COM1     |     COM2      |    Off     |    Off    |
          |-----+-------------+---------------+------------+-----------|
          |     |    COM1     |   Disabled    |     On     |    Off    |
          |-----+-------------+---------------+------------+-----------|
          |     |    COM2     |     COM3      |    Off     |    On     |
          |-----+-------------+---------------+------------+-----------|
          |     |    COM3     |     COM4      |     On     |    On     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                SERIAL PORT INTERRUPT SELECT                |
          |------------------------------------------------------------|
          | Port 1 (CN1) |   Port 2    | SW1/3 | SW1/4 | SW1/5 | SW1/6 |
          |              |    (CN2)    |       |       |       |       |
          |--------------+-------------+-------+-------+-------+-------|
          | » |   IRQ4   |    IRQ3     |  On   |  Off  |  Off  |  On   |
          |---+----------+-------------+-------+-------+-------+-------|
          |   |   IRQ3   |    IRQ4     |  Off  |  On   |  On   |  Off  |
          |---+----------+-------------+-------+-------+-------+-------|
          |   | Disabled |  Disabled   |  Off  |  Off  |  Off  |  Off  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    RS-422 DRIVER SELECT                    |
          |------------------------------------------------------------|
          |   Port 1 (CN1)   | Port 2 (CN2)  |    JP1     |    JP2     |
          |------------------+---------------+------------+------------|
          |  Controlled by   | Controlled by | Pins 1 & 2 | Pins 1 & 2 |
          |       RTS        |      RTS      |   closed   |   closed   |
          |------------------+---------------+------------+------------|
          |    Always on     |   Always on   |    Open    |    Open    |
          |------------------+---------------+------------+------------|
          |    Always Off    |  Always Off   | Pins 2 & 3 | Pins 2 & 3 |
          |                  |               |   closed   |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     RS-422/232 SELECT                      |
          |------------------------------------------------------------|
          | Port 1 (CN1) | Port 2 (CN2) |       JP4       |    JP3     |
          |--------------+--------------+-----------------+------------|
          |    RS-422    |    RS-422    |   Pins 1 & 2    | Pins 1 & 2 |
          |              |              |     closed      |   closed   |
          |--------------+--------------+-----------------+------------|
          |    RS-422    |    RS-232    |   Pins 1 & 2    | Pins 2 & 3 |
          |              |              |     closed      |   closed   |
          |--------------+--------------+-----------------+------------|
          |    RS-232    |    RS-422    |   Pins 2 & 3    | Pins 1 & 2 |
          |              |              |     closed      |   closed   |
          |--------------+--------------+-----------------+------------|
          |    RS-232    |    RS-232    |   Pins 2 & 3    | Pins 2 & 3 |
          |              |              |     closed      |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    PORT DIAGNOSTIC MODE                    |
          |------------------------------------------------------------|
          |   Port 1 (CN1)    | Port 2 (CN2)  |    JP7     |    JP8    |
          |-------------------+---------------+------------+-----------|
          | » |    Normal     |    Normal     | Pins 1 & 2 | Pins 1 &  |
          |   |   operation   |   operation   |   closed   | 2 closed  |
          |---+---------------+---------------+------------+-----------|
          |   |      IBM      |      IBM      | Pins 2 & 3 | Pins 2 &  |
          |   |  diagnostic   |  diagnostic   |   closed   | 3 closed  |
          |   |     test      |     test      |            |           |
          +------------------------------------------------------------+