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

   MIO-100

   Card Type          Multi I/O card                              
   Chipset/Controller NEC                                         
   I/O Options        Clock, floppy drive interface, game port,   
                      parallel port, serial ports (2)             
   Maximum DRAM       N/A                                         

<gopher://bitreich.org/I/th99/i/C-D/50307-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |       Purpose        | Location |    Purpose    | Location |
   |----------------------+----------+---------------+----------|
   | Floppy drive         |   CN1    | Game port     |    J3    |
   | interface            |          |               |          |
   |----------------------+----------+---------------+----------|
   | External battery     |    J1    | Serial port 1 |    J4    |
   | connector            |          |               |          |
   |----------------------+----------+---------------+----------|
   | Serial port 2        |    J2    | Parallel port |    J5    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 SERIAL PORT CONFIGURATION                  |
   |------------------------------------------------------------|
   |   Port 1 (J4)    |  Port 2 (J2)  |   SW2/1    |   SW2/2    |
   |------------------+---------------+------------+------------|
   |>>   |    COM1    |     COM2      |     On     |     On     |
   |-----+------------+---------------+------------+------------|
   |     |    COM2    |     COM3      |    Off     |     On     |
   |-----+------------+---------------+------------+------------|
   |     |    COM3    |     COM4      |     On     |    Off     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT INTERRUPT SELECT                |
   |------------------------------------------------------------|
   | Port 1 (J4)  | Port 2 (J2) | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
   |--------------+-------------+-------+-------+-------+-------|
   |>>    | IRQ4  |    IRQ3     |  On   |  Off  |  Off  |  On   |
   |------+-------+-------------+-------+-------+-------+-------|
   |      | IRQ3  |    IRQ4     |  Off  |  On   |  On   |  Off  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |        SERIAL PORT NORMAL/FORCED TRUE CONFIGURATION        |
   |------------------------------------------------------------|
   | Port 1 (J4)  | Port 2  |        JP1        |      JP2      |
   |              |  (J2)   |                   |               |
   |--------------+---------+-------------------+---------------|
   |>>  | Normal  | Normal  |  Pins 1 & 2, 4 &  | Pins 1 & 2, 4 |
   |    |         |         |  5, 7 & 8 closed  |  & 5, 7 & 8   |
   |    |         |         |                   |    closed     |
   |----+---------+---------+-------------------+---------------|
   |    | Forced  | Forced  |  Pins 2 & 3, 5 &  | Pins 2 & 3, 5 |
   |    |  True   |  True   |  6, 8 & 9 closed  |  & 6, 8 & 9   |
   |    |         |         |                   |    closed     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             SERIAL PORT ENABLE/DISABLE SELECT              |
   |------------------------------------------------------------|
   |    Port 1 (J4)    |  Port 2 (J2)  |   SW2/4    |   SW2/5   |
   |-------------------+---------------+------------+-----------|
   |>> |    Enabled    |    Enabled    |     On     |    On     |
   |---+---------------+---------------+------------+-----------|
   |   |    Enabled    |   Disabled    |     On     |    Off    |
   |---+---------------+---------------+------------+-----------|
   |   |   Disabled    |    Enabled    |    Off     |    On     |
   |---+---------------+---------------+------------+-----------|
   |   |   Disabled    |   Disabled    |    Off     |    Off    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |            SERIAL PORT'S DTE/DCE CONFIGURATION             |
   |------------------------------------------------------------|
   |   Primary serial port J4    |   Secondary serial port J2   |
   |-----------------------------+------------------------------|
   |         Jumper JP4          |          Jumper JP3          |
   |                             |                              |
<gopher://bitreich.org/I/th99/i/C-D/50307-2.png>
   |                     | [3][IMG]                     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT CONFIGURATION                 |
   |------------------------------------------------------------|
   |      LPT       |     Port      |    SW2/3    |    SW2/6    |
   |----------------+---------------+-------------+-------------|
   |>> |     1      |    Enabled    |     Off     |     On      |
   |---+------------+---------------+-------------+-------------|
   |   |     2      |    Enabled    |     On      |     On      |
   |---+------------+---------------+-------------+-------------|
   |   |    N/A     |   Disabled    |     N/A     |     Off     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               PARALLEL PORT INTERRUPT SELECT               |
   |------------------------------------------------------------|
   |         IRQ          |      SW1/5       |      SW1/6       |
   |----------------------+------------------+------------------|
   |>>    |       7       |        On        |       Off        |
   |------+---------------+------------------+------------------|
   |      |       5       |       Off        |        On        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  CLOCK PORT CONFIGURATION                  |
   |------------------------------------------------------------|
   |         IRQ          |      SW1/7       |      SW1/8       |
   |----------------------+------------------+------------------|
   |>> |       IRQ2       |       Off        |        On        |
   |---+------------------+------------------+------------------|
   |   |       IRQ5       |        On        |       Off        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                CLOCK PORT INTERRUPT SELECT                 |
   |------------------------------------------------------------|
   |               Port                |         SW2/8          |
   |-----------------------------------+------------------------|
   |>>    |          Enabled           |           On           |
   |------+----------------------------+------------------------|
   |      |          Disabled          |          Off           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  GAME PORT CONFIGURATION                   |
   |------------------------------------------------------------|
   |               Port               |          SW2/7          |
   |----------------------------------+-------------------------|
   |>>  |           Enabled           |           On            |
   |----+-----------------------------+-------------------------|
   |    |          Disabled           |           Off           |
   +------------------------------------------------------------+