MODULAR CIRCUIT TECHNOLOGY
==========================

   MCT-IDEIO

   Data bus:            16-bit ISA                                
   Size:                Half-length, full-height card             
   Hard drive           Two IDE (AT) Interface drives             
   supported:           
   Floppy drives        Two 360KB, 720KB, 1.2MB, or 1.44MB drives 
   supported:           

<gopher://bitreich.org/I/th99/c/M-O/20735-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                  Function                   |   Location   |
   |---------------------------------------------+--------------|
   | 40-pin connector - IDE(AT) interface        |     CN1      |
   |---------------------------------------------+--------------|
   | 2-pin connector - drive active LED          |     CN2      |
   |---------------------------------------------+--------------|
   | 34-pin connector - floppy drive interface   |     CN3      |
   |---------------------------------------------+--------------|
   | 16-pin connector - game port - internal     |     CN4      |
   |---------------------------------------------+--------------|
   | 10-pin connector - serial port 2 - internal |     CN5      |
   |---------------------------------------------+--------------|
   | 9-pin connector - serial port 1 - external  |     CN6      |
   |---------------------------------------------+--------------|
   | 25-pin connector - parallel port - external |     CN7      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                USER CONFIGURABLE SETTINGS                  |
   |------------------------------------------------------------|
   |            Function            | Location |    Setting     |
   |--------------------------------+----------+----------------|
   |>> | IDE(AT) interface enabled  |  JP3/H   |   Pins 2 & 3   |
   |   |                            |          |     closed     |
   |---+----------------------------+----------+----------------|
   |   | IDE(AT) interface disabled |  JP3/H   |   Pins 1 & 2   |
   |   |                            |          |     closed     |
   |---+----------------------------+----------+----------------|
   |>> | Game port enabled          |  JP3/I   |   Pins 2 & 3   |
   |   |                            |          |     closed     |
   |---+----------------------------+----------+----------------|
   |   | Game port disabled         |  JP3/I   |   Pins 1 & 2   |
   |   |                            |          |     closed     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              PARALLEL PORT ADDRESS SELECTION               |
   |------------------------------------------------------------|
   |      LPT       |        JP3/A        |        JP3/B        |
   |----------------+---------------------+---------------------|
   |>> |    LPT2    |  Pins 2 & 3 closed  |  Pins 2 & 3 closed  |
   |---+------------+---------------------+---------------------|
   |   |    LPT1    |  Pins 1 & 2 closed  |  Pins 2 & 3 closed  |
   |---+------------+---------------------+---------------------|
   |   |    LPT3    |  Pins 2 & 3 closed  |  Pins 1 & 2 closed  |
   |---+------------+---------------------+---------------------|
   |   |  Disabled  |  Pins 1 & 2 closed  |  Pins 1 & 2 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             PARALLEL PORT INTERRUPT SELECTION              |
   |------------------------------------------------------------|
   |         IRQ          |       JP9/I       |      JP9/J      |
   |----------------------+-------------------+-----------------|
   |>>   |      IRQ7      |       Open        |     Closed      |
   |-----+----------------+-------------------+-----------------|
   |     |      IRQ5      |      Closed       |      Open       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               SERIAL PORT ADDRESS SELECTION                |
   |------------------------------------------------------------|
   |  Port 1  | Port 2 | JP3/C  | JP3/D | JP3/E | JP8/A | JP8/B |
   |----------+--------+--------+-------+-------+-------+-------|
   |>>|  COM1  |  COM2  | 2 & 3  | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
   |-+--------+--------+--------+-------+-------+-------+-------|
   | |  COM2  |  COM3  | 2 & 3  | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 |
   |-+--------+--------+--------+-------+-------+-------+-------|
   | |  COM1  |  COM4  | 2 & 3  | 2 & 3 | 2 & 3 | 2 & 3 | 1 & 2 |
   |-+--------+--------+--------+-------+-------+-------+-------|
   | |  COM3  |  COM4  | 2 & 3  | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 |
   |-+--------+--------+--------+-------+-------+-------+-------|
   | |  COM1  |Disabled| 2 & 3  | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 |
   |-+--------+--------+--------+-------+-------+-------+-------|
   | |Disabled|  COM2  | 1 & 2  | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
   |-+--------+--------+--------+-------+-------+-------+-------|
   | |Disabled|Disabled| 1 & 2  | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 |
   |------------------------------------------------------------|
   |Note: Pins designated are in the closed position.           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |          PRIMARY SERIAL PORT INTERRUPT SELECTION           |
   |------------------------------------------------------------|
   |     IRQ     |   JP9/E   |   JP9/F   |   JP9/G   |  JP9/H   |
   |-------------+-----------+-----------+-----------+----------|
   |>> | IRQ4    |   Open    |   Open    |  Closed   |   Open   |
   |---+---------+-----------+-----------+-----------+----------|
   |   |  IRQ2   |  Closed   |   Open    |   Open    |   Open   |
   |---+---------+-----------+-----------+-----------+----------|
   |   |  IRQ3   |   Open    |   Open    |   Open    |  Closed  |
   |---+---------+-----------+-----------+-----------+----------|
   |   |  IRQ5   |   Open    |  Closed   |   Open    |   Open   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |         SECONDARY SERIAL PORT INTERRUPT SELECTION          |
   |------------------------------------------------------------|
   |     IRQ     |   JP9/A   |   JP9/B   |   JP9/C   |  JP9/D   |
   |-------------+-----------+-----------+-----------+----------|
   |>> | IRQ3    |   Open    |   Open    |   Open    |  Closed  |
   |---+---------+-----------+-----------+-----------+----------|
   |   |  IRQ2   |  Closed   |   Open    |   Open    |   Open   |
   |---+---------+-----------+-----------+-----------+----------|
   |   |  IRQ4   |   Open    |   Open    |  Closed   |   Open   |
   |---+---------+-----------+-----------+-----------+----------|
   |   |  IRQ5   |   Open    |  Closed   |   Open    |   Open   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |   PRIMARY SERIAL PORT NORMAL/FORCED TRUE CONFIGURATION     |
   |------------------------------------------------------------|
   |     Setting     |     JP1/A      |   JP1/B    |   JP1/C    |
   |-----------------+----------------+------------+------------|
   |>>  |   Normal   |   Pins 1 & 2   | Pins 1 & 2 | Pins 1 & 2 |
   |    |            |     closed     |   closed   |   closed   |
   |----+------------+----------------+------------+------------|
   |    | Force True |   Pins 2 & 3   | Pins 2 & 3 | Pins 2 & 3 |
   |    |            |     closed     |   closed   |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |  SECONDARY SERIAL PORT NORMAL/FORCED TRUE CONFIGURATION    |
   |------------------------------------------------------------|
   |     Setting      |     JP2/A     |   JP2/B    |   JP2/C    |
   |------------------+---------------+------------+------------|
   |>>  |   Normal    |  Pins 1 & 2   | Pins 1 & 2 | Pins 1 & 2 |
   |    |             |    closed     |   closed   |   closed   |
   |----+-------------+---------------+------------+------------|
   |    | Force True  |  Pins 2 & 3   | Pins 2 & 3 | Pins 2 & 3 |
   |    |             |    closed     |   closed   |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |         PRIMARY SERIAL PORT DTE/DCE CONFIGURATION          |
   |------------------------------------------------------------|
   |                         Jumper JP5                         |
   |------------------------------------------------------------|
<gopher://bitreich.org/I/th99/c/M-O/20735-2.png>
   |                       | [3][IMG]                   |
   |                               |                            |
   |           (default)           |                            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |        SECONDARY SERIAL PORT DTE/DCE CONFIGURATION         |
   |------------------------------------------------------------|
   |                         Jumper JP4                         |
   |------------------------------------------------------------|
<gopher://bitreich.org/I/th99/c/M-O/20735-4.png>
   |                       | [5][IMG]                   |
   |                               |                            |
   |           (default)           |                            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |           FLOPPY DRIVE INTERFACE CONFIGURATION             |
   |------------------------------------------------------------|
   |     Setting     |        JP3/F        |       JP3/G        |
   |-----------------+---------------------+--------------------|
   |>> |   Enabled   |  Pins 2 & 3 closed  | Pins 2 & 3 closed  |
   |---+-------------+---------------------+--------------------|
   |   |  Disabled   |  Pins 1 & 2 closed  | Pins 2 & 3 closed  |
   +------------------------------------------------------------+