DTK COMPUTER INC.
=================

   UN-1075

   Card Type            Hard drive controller card                
   Hard Drives          Two IDE (AT or XT) drives                 
   supported            
   Floppy drives        Two 360KB, 720KB, 1.2MB, or 1.44MB drives 
   supported            
   Data Bus             16-bit ISA                                
   Card Size            Three-quarter length, half-height card    

<gopher://bitreich.org/I/th99/c/C-D/21689-1.png>
   

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

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function                | Label |  Position  |
   |---------------------------------------+-------+------------|
   |>> | Floppy drive order is normal (A:, | JP6/A | Pins 1 & 2 |
   |   | B:)                               |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | Floppy drive order is reversed    | JP6/A | Pins 2 & 3 |
   |   | (B:, A:)                          |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |>> | Floppy drive address is 370h-377h | JP6/B | Pins 1 & 2 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | Floppy drive address is 3F0h-3F7h | JP6/B | Pins 2 & 3 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |>> | IDE(AT) interface enabled         | JP6/C | Pins 1 & 2 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | IDE(AT) interface disabled        | JP6/C | Pins 2 & 3 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |>> | IDE primary address is 367h,      | JP6/D | Pins 1 & 2 |
   |   | 377h, 170h-177h                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | IDE secondary address is 3F6h,    | JP6/D | Pins 2 & 3 |
   |   | 3F7h, 1F0h-1F7h                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |>> | Floppy drive interface enabled    | JP6/E | Pins 1 & 2 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | Floppy drive interface disabled   | JP6/E | Pins 2 & 3 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |>> | Game port enabled                 | JP16  |   Closed   |
   |---+-----------------------------------+-------+------------|
   |   | Game port disabled                | JP16  |    Open    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              PARALLEL PORT ADDRESS SELECTION               |
   |------------------------------------------------------------|
   |     Setting      |       JP9/E        |       JP9/F        |
   |------------------+--------------------+--------------------|
   |>> | LPT1 (378h)  | Pins 2 & 3 closed  | Pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   | LPT2 (278h)  | Pins 1 & 2 closed  | Pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   | LPT3 (3BCh)  | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |   Disabled   | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              SERIAL PORT 1 ADDRESS SELECTION               |
   |------------------------------------------------------------|
   |     Setting      |       JP9/A        |       JP9/B        |
   |------------------+--------------------+--------------------|
   |>> | 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 2 ADDRESS SELECTION               |
   |------------------------------------------------------------|
   |     Setting      |       JP9/C        |       JP9/D        |
   |------------------+--------------------+--------------------|
   |>> | 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 1 INTERRUPT SELECTION              |
   |------------------------------------------------------------|
   |      IRQ       |    JP12/A    |    JP12/B    |   JP12/C    |
   |----------------+--------------+--------------+-------------|
   |   |    IRQ3    |     Open     |    Closed    |    Open     |
   |---+------------+--------------+--------------+-------------|
   |>> |    IRQ4    |    Closed    |     Open     |    Open     |
   |---+------------+--------------+--------------+-------------|
   |   |    IRQ5    |     Open     |     Open     |   Closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             SERIAL PORT 2 INTERRUPT SELECTION              |
   |------------------------------------------------------------|
   |      IRQ       |    JP12/D    |    JP12/E    |   JP12/F    |
   |----------------+--------------+--------------+-------------|
   |>> |    IRQ3    |    Closed    |     Open     |    Open     |
   |---+------------+--------------+--------------+-------------|
   |   |    IRQ4    |     Open     |    Closed    |    Open     |
   |---+------------+--------------+--------------+-------------|
   |   |    IRQ5    |     Open     |     Open     |   Closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             PARALLEL PORT INTERRUPT SELECTION              |
   |------------------------------------------------------------|
   |         IRQ          |      JP12/G      |      JP12/H      |
   |----------------------+------------------+------------------|
   |>>    |       7       |      Closed      |       Open       |
   |------+---------------+------------------+------------------|
   |      |       5       |       Open       |      Closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT MODE SELECTION                |
   |------------------------------------------------------------|
   |        Mode         |      Label      |      Position      |
   |---------------------+-----------------+--------------------|
   |   Uni-directional   |      JP11       |       Closed       |
   |---------------------+-----------------+--------------------|
   |   Bi-directional    |      JP11       |        Open        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   IDEIOR PATH SELECTION                    |
   |------------------------------------------------------------|
   |           Function            | Label  |     Position      |
   |-------------------------------+--------+-------------------|
   |   | W83758p - IOROP (buffer)  |   J1   | Pins 1 & 2 closed |
   |---+---------------------------+--------+-------------------|
   |>> |         ATBUS IOR         |   J1   | Pins 2 & 3 closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   IDEIOW PATH SELECTION                    |
   |------------------------------------------------------------|
   |           Function            | Label  |     Position      |
   |-------------------------------+--------+-------------------|
   |   | W83758p - IOWOP (buffer)  |   J2   | Pins 1 & 2 closed |
   |---+---------------------------+--------+-------------------|
   |>> |         ATBUS IOW         |   J2   | Pins 2 & 3 closed |
   +------------------------------------------------------------+