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

   MIO-400AF

   +------------------------------------------------------------+
   | DATA BUS:                                        | 16-BIT, |
   |                                                  | ISA     |
   |--------------------------------------------------+---------|
   | Size:         | Three/quarter-length,            |         |
   |               | full-height card                 |         |
   |---------------+----------------------------------|         |
   | Hard drive    | Two IDE (AT) Interface drives    |         |
   | supported:    |                                  |         |
   |---------------+----------------------------------|         |
   | Floppy drives | Two 360KB, 720KB, 1.2MB, or      |         |
   | supported:    | 1.44MB drives                    |         |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/c/C-D/20400-1.png>
                                                         

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                   Function                    |  Location  |
   |-----------------------------------------------+------------|
   | 25-pin parallel port (LPT1/2/3) - external    |    CN1     |
   |-----------------------------------------------+------------|
   | 15-pin monochrome video port - external       |    CN2     |
   |-----------------------------------------------+------------|
   | 40-pin IDE(AT) Interface connector            |    CN3     |
   |-----------------------------------------------+------------|
   | 34-pin control cable connector - floppy drive |    CN4     |
   |-----------------------------------------------+------------|
   | 10-pin serial port (COM2/3/4) - internal      |    CN6     |
   |-----------------------------------------------+------------|
   | 10-pin serial port (COM1/2/3) - internal      |    CN5     |
   |-----------------------------------------------+------------|
   | 2-pin connector - Drive active LED            |     J1     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                USER CONFIGURABLE SETTINGS                  |
   |------------------------------------------------------------|
   |              Function              | Location |  Setting   |
   |------------------------------------+----------+------------|
   |>> | IDE low reset signal enabled   |   JP5    | Pins 2 & 3 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | IDE high reset signal enabled  |   JP5    | Pins 1 & 2 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Bus speed <10MHz enabled       |   JP6    | Pins 2 & 3 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Bus speed >10MHz enabled       |   JP6    | Pins 1 & 2 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Parallel port Interrupt        |   JP7    | Pins 2 & 3 |
   |   | Request IRQ 7 enabled          |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Parallel port Interrupt        |   JP7    | Pins 1 & 2 |
   |   | Request IRQ 5 enabled          |          |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                USER CONFIGURABLE SETTINGS                  |
   |------------------------------------------------------------|
   |            Function            |   Location   |  Setting   |
   |--------------------------------+--------------+------------|
   |>> | Single speed floppy drives |     JP8      | Pins 2 & 3 |
   |   | supported                  |              |   closed   |
   |---+----------------------------+--------------+------------|
   |   | Dual speed floppy drives   |     JP8      | Pins 1 & 2 |
   |   | supported                  |              |   closed   |
   |---+----------------------------+--------------+------------|
   |>> | Video display port enabled |     JP9      | Pins 2 & 3 |
   |   |                            |              |   closed   |
   |---+----------------------------+--------------+------------|
   |   | Video display port         |     JP9      | Pins 1 & 2 |
   |   | disabled                   |              |   closed   |
   |---+----------------------------+--------------+------------|
   |>> | Floppy drive enabled       | SW1/switch 5 |   Closed   |
   |---+----------------------------+--------------+------------|
   |   | Floppy drive disabled      | SW1/switch 5 |    Open    |
   |---+----------------------------+--------------+------------|
   |>> | Hard drive enabled         | SW1/switch 6 |   Closed   |
   |---+----------------------------+--------------+------------|
   |   | Hard drive disabled        | SW1/switch 6 |    Open    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |       SERIAL PORT NORMAL/FORCED TRUE CONFIGURATION         |
   |------------------------------------------------------------|
<gopher://bitreich.org/I/th99/c/C-D/20400-2.png>
   |                 |             |        |           |
   |-----------------+-------------+----------------+-----------|
   |   |   Port 1    |   Port 2    |      JP1       |    JP2    |
   |   |    (CN5)    |    (CN6)    |                |           |
   |---+-------------+-------------+----------------+-----------|
   |>> |   Normal    |   Normal    | Pins 2 & 3, 5  | Pins 2 &  |
   |   |             |             |      & 6,      | 3, 5 & 6, |
   |   |             |             |                |           |
   |   |             |             |  8 & 9 closed  |   8 & 9   |
   |   |             |             |                |  closed   |
   |---+-------------+-------------+----------------+-----------|
   |   | Forced True | Forced True | Pins 1 & 2, 4  | Pins 1 &  |
   |   |             |             |      & 5,      | 2, 4 & 5, |
   |   |             |             |                |           |
   |   |             |             |  7 & 8 closed  |   7 & 8   |
   |   |             |             |                |  closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |            SERIAL PORT'S DTE/DCE CONFIGURATION             |
   |------------------------------------------------------------|
   |     Serial port 1 (CN5)      |     Serial port 2 (CN6)     |
   |------------------------------+-----------------------------|
   |          Jumper JP3          |         Jumper JP4          |
   |                              |                             |
<gopher://bitreich.org/I/th99/c/C-D/20400-3.png>
   |                      | [4][IMG]                    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |           SERIAL PORT 1 (CN5) INTERRUPT REQUEST            |
   |------------------------------------------------------------|
   |  IRQ  | JP10/jumper | JP10/ jumper |   JP10/   |   JP10/   |
   |       |      1      |      2       | jumper 3  | jumper 4  |
   |-------+-------------+--------------+-----------+-----------|
   |   | 2 |   Closed    |     Open     |   Open    |   Open    |
   |---+---+-------------+--------------+-----------+-----------|
   |>> | 3 |    Open     |    Closed    |   Open    |   Open    |
   |---+---+-------------+--------------+-----------+-----------|
   |   | 4 |    Open     |     Open     |  Closed   |   Open    |
   |---+---+-------------+--------------+-----------+-----------|
   |   | 5 |    Open     |     Open     |   Open    |  Closed   |
   +------------------------------------------------------------+

    

   +------------------------------------------------------------+
   |           SERIAL PORT 2 (CN6) INTERRUPT REQUEST            |
   |------------------------------------------------------------|
   |  IRQ  | JP11/jumper | JP11/ jumper |   JP11/   |   JP11/   |
   |       |      1      |      2       | jumper 3  | jumper 4  |
   |-------+-------------+--------------+-----------+-----------|
   |   | 2 |   Closed    |     Open     |   Open    |   Open    |
   |---+---+-------------+--------------+-----------+-----------|
   |   | 3 |    Open     |    Closed    |   Open    |   Open    |
   |---+---+-------------+--------------+-----------+-----------|
   |>> | 4 |    Open     |     Open     |  Closed   |   Open    |
   |---+---+-------------+--------------+-----------+-----------|
   |   | 5 |    Open     |     Open     |   Open    |  Closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              SERIAL PORT CONFIGURATION - SW1               |
   |------------------------------------------------------------|
   |    CN5    |   CN6   |Switch 1 |Switch 2 |Switch 7 |Switch 8|
   |-----------+---------+---------+---------+---------+--------|
   |>>|COM1     |COM2     |   On    |   On    |   On    |   On   |
   |-+---------+---------+---------+---------+---------+--------|
   | |  COM1   |Disabled |   Off   |   Off   |   On    |  Off   |
   |-+---------+---------+---------+---------+---------+--------|
   | |Disabled |  COM2   |   N/A   |   N/A   |   Off   |   On   |
   |-+---------+---------+---------+---------+---------+--------|
   | |  COM2   |  COM3   |   Off   |   On    |   On    |   On   |
   |-+---------+---------+---------+---------+---------+--------|
   | |  COM3   |  COM4   |   On    |   Off   |   On    |   On   |
   |-+---------+---------+---------+---------+---------+--------|
   | |Disabled |Disabled |   N/A   |   Off   |   Off   |  Off   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             PARALLEL PORT (CN1) CONFIGURATION              |
   |------------------------------------------------------------|
   |        LPT         |   SW1/switch 3    |   SW1/switch 4    |
   |--------------------+-------------------+-------------------|
   |>> |      LPT1      |        Off        |        On         |
   |---+----------------+-------------------+-------------------|
   |   |      LPT2      |        On         |        Off        |
   |---+----------------+-------------------+-------------------|
   |   |      LPT3      |        Off        |        Off        |
   |---+----------------+-------------------+-------------------|
   |   |    Disabled    |        On         |        On         |
   +------------------------------------------------------------+