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       # DIAMOND FLOWER, INC.
       
          DIO-200A
       
          Card Type          Multi I/O                                   
          Chipset/Controller National Semiconductor                      
          I/O Options        Game, parallel port, serial ports (2)       
          Maximum DRAM       N/A                                         
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |       Purpose        | Location |    Purpose    | Location |
          |----------------------+----------+---------------+----------|
          | External battery     |    J1    | Serial port 2 |    J4    |
          | connector            |          |               |          |
          |----------------------+----------+---------------+----------|
          | Serial port 1        |    J2    | Parallel port |    J5    |
          |----------------------+----------+---------------+----------|
          | Game port            |    J3    |               |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 SERIAL PORT CONFIGURATION                  |
          |------------------------------------------------------------|
          |  Port 1 (J4)  | Port 2 (J2)  | SW2/switch 2 | SW2/switch 3 |
          |---------------+--------------+--------------+--------------|
          | » |   COM1    |     COM2     |      On      |     Off      |
          |---+-----------+--------------+--------------+--------------|
          |   |   COM2    |     COM3     |     Off      |      On      |
          |---+-----------+--------------+--------------+--------------|
          |   |   COM3    |     COM4     |      On      |      On      |
          |---+-----------+--------------+--------------+--------------|
          |   | Disabled  |   Disabled   |     Off      |     Off      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              SERIAL PORT INTERRUPT SELECTION               |
          |------------------------------------------------------------|
          |    Port 1 (J4)    |    SW1/switch 3    |   SW1/switch 4    |
          |-------------------+--------------------+-------------------|
          | »   |    IRQ4     |         On         |        Off        |
          |-----+-------------+--------------------+-------------------|
          |     |    IRQ3     |        Off         |        On         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              SERIAL PORT INTERRUPT SELECTION               |
          |------------------------------------------------------------|
          |    Port 2 (J2)    |    SW1/switch 1    |   SW1/switch 2    |
          |-------------------+--------------------+-------------------|
          | »   |    IRQ3     |         On         |        Off        |
          |-----+-------------+--------------------+-------------------|
          |     |    IRQ4     |        Off         |        On         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |       SERIAL PORT NORMAL/FORCED TRUE CONFIGURATION         |
          |------------------------------------------------------------|
          |   Port 1    | Port 2  |        JP3         |      JP2      |
          |-------------+---------+--------------------+---------------|
          | » | Normal  | Normal  | Pins 1 & 2, 4 & 5, | Pins 1 & 2, 4 |
          |   |         |         |    7 & 8 closed    |  & 5, 7 & 8   |
          |   |         |         |                    |    closed     |
          |---+---------+---------+--------------------+---------------|
          |   | Forced  | Forced  | Pins 2 & 3, 5 & 6, | Pins 2 & 3, 5 |
          |   |  True   |  True   |    8 & 9 closed    |  & 6, 8 & 9   |
          |   |         |         |                    |    closed     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |            SERIAL PORT'S DTE/DCE CONFIGURATION             |
          |------------------------------------------------------------|
          |   Primary serial port J4    |   Secondary serial port J2   |
          |-----------------------------+------------------------------|
          |         Jumper JP4          |          Jumper JP1          |
          |                             |                              |
 (IMG) IMG 2
          |                     | [3][IMG]                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  PARALLEL PORT SETTINGS                    |
          |------------------------------------------------------------|
          |            LPT             |         SW2/switch 1          |
          |----------------------------+-------------------------------|
          | »  |           1           |              Off              |
          |----+-----------------------+-------------------------------|
          |    |           2           |              On               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 PARALLEL PORT INTERRUPTS                   |
          |------------------------------------------------------------|
          |       IRQ        |    SW1/switch 5    |    SW1/switch 6    |
          |------------------+--------------------+--------------------|
          | » |     IRQ7     |        Off         |         On         |
          |---+--------------+--------------------+--------------------|
          |   |     IRQ5     |         On         |        Off         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CLOCK CONFIGURATION                     |
          |------------------------------------------------------------|
          |            Clock             |        SW2/switch 4         |
          |------------------------------+-----------------------------|
          | » |         Enabled          |             On              |
          |---+--------------------------+-----------------------------|
          |   |         Disabled         |             Off             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  CLOCK INTERRUPT SELECT                    |
          |------------------------------------------------------------|
          |            IRQ             | SW2/switch 7  | SW2/switch 8  |
          |----------------------------+---------------+---------------|
          | » |           2            |      Off      |      On       |
          |---+------------------------+---------------+---------------|
          |   |           5            |      On       |      Off      |
          +------------------------------------------------------------+