INFORMTECH INTERNATIONAL, INC.
==============================

   UN-1075

   +------------------------------------------------------------+
   +------------------------------------------------------------+

   Data bus:  16-bit, ISA

   Size:  Half-length, half-height card

   Hard drives supported:  Two IDE (AT) Interface drives

   Floppy drives supported:  Two 360KB, 720KB, 1.2MB, or 1.44MB
   drives

<gopher://bitreich.org/I/th99/c/I-L/20558-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                    Function                    | Location  |
   |------------------------------------------------+-----------|
   | 40-pin IDE (AT) Interface connector - internal |    JP1    |
   |------------------------------------------------+-----------|
   | 16-pin game port                               |    JP2    |
   |------------------------------------------------+-----------|
   | 10-pin serial port 1 connector - internal      |    JP3    |
   |------------------------------------------------+-----------|
   | 10-pin serial port 2 connector - external      |    JP4    |
   |------------------------------------------------+-----------|
   | 34-pin floppy drive connector - internal       |    JP5    |
   |------------------------------------------------+-----------|
   | HDD LED connector                              |    JP8    |
   |------------------------------------------------+-----------|
   | DB-25 parallel port connector - external       |   JP15    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function              | Location |  Setting   |
   |------------------------------------+----------+------------|
   |>> | IDEIOR path = ATBUS IOR        |    J1    | Pins 2 & 3 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | IDEIOR path = W83758P - IOROP  |    J1    | Pins 1 & 2 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | IDEIOW path = ATBUS IOW        |    J2    | Pins 2 & 3 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | IDEIOW path = W83758P - IOWOP  |    J2    | Pins 1 & 2 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Floppy drive A & B normal mode |  JP6/1   | Pins 1 & 2 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Floppy drive A & B change mode |  JP6/1   | Pins 2 & 3 |
   |   |                                |          |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function              | Location |  Setting   |
   |------------------------------------+----------+------------|
   |>> | Floppy drive address = 3F0h -  |  JP6/2   | Pins 2 & 3 |
   |   | 3F7h                           |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Floppy drive address = 370h -  |  JP6/2   | Pins 1 & 2 |
   |   | 377h                           |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | IDE bus enabled                |  JP6/3   | Pins 1 & 2 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | IDE bus disabled               |  JP6/3   | Pins 2 & 3 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | HDD address = 3F6h, 3F7h, 1F0h |  JP6/4   | Pins 2 & 3 |
   |   | - 1F7h                         |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | HDD address = 376h, 377h, 170h |  JP6/4   | Pins 1 & 2 |
   |   | - 177h                         |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Floppy drive controller        |  JP6/5   | Pins 1 & 2 |
   |   | enabled                        |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Floppy drive controller        |  JP6/5   | Pins 2 & 3 |
   |   | disabled                       |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Game port enabled              |   JP16   |   Closed   |
   |---+--------------------------------+----------+------------|
   |   | Game port disabled             |   JP16   |    Open    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             SERIAL PORT 1 (JP3) CONFIGURATION              |
   |------------------------------------------------------------|
   |    COM/Address     |       JP9/1       |       JP9/2       |
   |--------------------+-------------------+-------------------|
   |>> |   COM1/3F8h    | Pins 1 & 2 closed | Pins 2 & 3 closed |
   |---+----------------+-------------------+-------------------|
   |   |   COM3/3E8h    | Pins 2 & 3 closed | Pins 1 & 2 closed |
   |---+----------------+-------------------+-------------------|
   |   |   COM4/2E8h    | Pins 1 & 2 closed | Pins 1 & 2 closed |
   |---+----------------+-------------------+-------------------|
   |   |    Disabled    | Pins 2 & 3 closed | Pins 2 & 3 closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             SERIAL PORT 1 INTERRUPT SELECTION              |
   |------------------------------------------------------------|
   |      IRQ       |    JP12/1    |    JP12/2    |   JP12/3    |
   |----------------+--------------+--------------+-------------|
   |>> |    IRQ4    |    Closed    |     Open     |    Open     |
   |---+------------+--------------+--------------+-------------|
   |   |    IRQ3    |     Open     |    Closed    |    Open     |
   |---+------------+--------------+--------------+-------------|
   |   |    IRQ5    |     Open     |     Open     |   Closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             SERIAL PORT 2 (JP4) CONFIGURATION              |
   |------------------------------------------------------------|
   |    COM/Address     |       JP9/3       |       JP9/4       |
   |--------------------+-------------------+-------------------|
   |>> |   COM2/2F8h    | Pins 1 & 2 closed | Pins 2 & 3 closed |
   |---+----------------+-------------------+-------------------|
   |   |   COM3/3E8h    | Pins 1 & 2 closed | Pins 1 & 2 closed |
   |---+----------------+-------------------+-------------------|
   |   |   COM4/2E8h    | Pins 2 & 3 closed | Pins 1 & 2 closed |
   |---+----------------+-------------------+-------------------|
   |   |    Disabled    | Pins 2 & 3 closed | Pins 2 & 3 closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             SERIAL PORT 2 INTERRUPT SELECTION              |
   |------------------------------------------------------------|
   |      IRQ       |    JP12/4    |    JP12/5    |   JP12/6    |
   |----------------+--------------+--------------+-------------|
   |>> |    IRQ3    |    Closed    |     Open     |    Open     |
   |---+------------+--------------+--------------+-------------|
   |   |    IRQ4    |     Open     |    Closed    |    Open     |
   |---+------------+--------------+--------------+-------------|
   |   |    IRQ5    |     Open     |     Open     |   Closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             PARALLEL PORT (JP15) CONFIGURATION             |
   |------------------------------------------------------------|
   |    LPT/Address     |       JP9/5       |       JP9/6       |
   |--------------------+-------------------+-------------------|
   |>> |   LPT1/378h    | Pins 2 & 3 closed | Pins 1 & 2 closed |
   |---+----------------+-------------------+-------------------|
   |   |   LPT2/278h    | Pins 1 & 2 closed | Pins 2 & 3 closed |
   |---+----------------+-------------------+-------------------|
   |   |   LPT3/38Ch    | Pins 1 & 2 closed | Pins 1 & 2 closed |
   |---+----------------+-------------------+-------------------|
   |   |    Disabled    | Pins 2 & 3 closed | Pins 2 & 3 closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             PARALLEL PORT INTERRUPT SELECTION              |
   |------------------------------------------------------------|
   |          IRQ          |      JP12/7      |     JP12/8      |
   |-----------------------+------------------+-----------------|
   |>>   |      IRQ7       |      Closed      |      Open       |
   |-----+-----------------+------------------+-----------------|
   |     |      IRQ5       |       Open       |     Closed      |
   +------------------------------------------------------------+