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

   PTI-250DW, UN-1081VL

   Card Type            Hard drive controller card                
   Hard Drives          Two IDE (AT) drives                       
   supported            
   Floppy drives        Two 360KB, 720KB, 1.2MB, or 1.44MB drives 
   supported            
   Data Bus             32-bit VESA Local Bus                     
   Card Size            Full-length, half-height card             

<gopher://bitreich.org/I/th99/c/C-D/21632-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |     Function      | Location |     Function     | Location |
   |-------------------+----------+------------------+----------|
   | 25-pin parallel   |   CN8    | 16-pin game port |    J4    |
   | port - external   |          |                  |          |
   |-------------------+----------+------------------+----------|
   | 4-pin connector - |    J1    | Serial port 1    |    J5    |
   | drive active LED  |          |                  |          |
   |-------------------+----------+------------------+----------|
   | 40-pin primary    |    J2    | 10-pin serial    |    J6    |
   | IDE(AT) connector |          | port 2           |          |
   |-------------------+----------+------------------+----------|
   | 34-pin cable      |    J3    |                  |          |
   | connector -       |          |                  |          |
   | floppy drive      |          |                  |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Function                | Label | Position  |
   |----------------------------------------+-------+-----------|
   |>> | IDE(AT) IRQ 14 select              |  W6   | Pins 1 &  |
   |   |                                    |       | 2 closed  |
   |---+------------------------------------+-------+-----------|
   |   | IDE(AT) IRQ 15 select              |  W6   | Pins 2 &  |
   |   |                                    |       | 3 closed  |
   |---+------------------------------------+-------+-----------|
   |>> | Floppy drive address is 3F0h-3F7h  |  W7   | Pins 2 &  |
   |   |                                    |       | 3 closed  |
   |---+------------------------------------+-------+-----------|
   |   | Floppy drive address is 370h-377h  |  W7   | Pins 1 &  |
   |   |                                    |       | 2 closed  |
   |---+------------------------------------+-------+-----------|
   |>> | IDE primary address is 1F0h-1F7h,  |  W8   | Pins 2 &  |
   |   | 3F6h-3F7h                          |       | 3 closed  |
   |---+------------------------------------+-------+-----------|
   |   | IDE secondary address is           |  W8   | Pins 1 &  |
   |   | 170h-177h, 376h-377h               |       | 2 closed  |
   |---+------------------------------------+-------+-----------|
   |>> | IDE(AT) interface enabled          |  W9   | Pins 1 &  |
   |   |                                    |       | 2 closed  |
   |---+------------------------------------+-------+-----------|
   |   | IDE(AT) interface disabled         |  W9   | Pins 2 &  |
   |   |                                    |       | 3 closed  |
   |---+------------------------------------+-------+-----------|
   |>> | Floppy drive interface enabled     |  W10  | Pins 1 &  |
   |   |                                    |       | 2 closed  |
   |---+------------------------------------+-------+-----------|
   |   | Floppy drive interface disabled    |  W10  | Pins 2 &  |
   |   |                                    |       | 3 closed  |
   |---+------------------------------------+-------+-----------|
   |>> | Game port enabled                  |  W26  |  Closed   |
   |---+------------------------------------+-------+-----------|
   |   | Game port disabled                 |  W26  |   Open    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              PARALLEL PORT ADDRESS SELECTION               |
   |------------------------------------------------------------|
   |     Setting      |        W15         |        W16         |
   |------------------+--------------------+--------------------|
   |>> | 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      |        W11         |        W12         |
   |------------------+--------------------+--------------------|
   |>> | 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      |        W13         |        W14         |
   |------------------+--------------------+--------------------|
   |>> | 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       |     W18      |     W19      |     W20     |
   |----------------+--------------+--------------+-------------|
   |   |    IRQ3    |     Open     |    Closed    |    Open     |
   |---+------------+--------------+--------------+-------------|
   |>> |    IRQ4    |    Closed    |     Open     |    Open     |
   |---+------------+--------------+--------------+-------------|
   |   |    IRQ5    |     Open     |     Open     |   Closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             SERIAL PORT 2 INTERRUPT SELECTION              |
   |------------------------------------------------------------|
   |      IRQ       |     W21      |     W22      |     W23     |
   |----------------+--------------+--------------+-------------|
   |>> |    IRQ3    |    Closed    |     Open     |    Open     |
   |---+------------+--------------+--------------+-------------|
   |   |    IRQ4    |     Open     |    Closed    |    Open     |
   |---+------------+--------------+--------------+-------------|
   |   |    IRQ5    |     Open     |     Open     |   Closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             PARALLEL PORT INTERRUPT SELECTION              |
   |------------------------------------------------------------|
   |          IRQ          |       W24        |       W25       |
   |-----------------------+------------------+-----------------|
   |>>   |      IRQ7       |      Closed      |      Open       |
   |-----+-----------------+------------------+-----------------|
   |     |      IRQ5       |       Open       |     Closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT MODE SELECTION                |
   |------------------------------------------------------------|
   |              Mode              | Label |     Position      |
   |--------------------------------+-------+-------------------|
   |>> | Parallel port is           |  W17  | Pins 1 & 2 closed |
   |   | uni-directional            |       |                   |
   |---+----------------------------+-------+-------------------|
   |   | Parallel port is           |  W17  | Pins 2 & 3 closed |
   |   | bi-directional             |       |                   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |         FOR 33 MHZ VL-BUS COMPUTER (ALSO DX/2 66)          |
   |------------------------------------------------------------|
   | MBytes/sec. |   W1    |   W2    |   W3   |   W4   |   W5   |
   |-------------+---------+---------+--------+--------+--------|
   |     8.3     |  1 & 2  |  1 & 2  | 1 & 2  | 1 & 2  | 1 & 2  |
   |-------------+---------+---------+--------+--------+--------|
   |     7.4     |  1 & 2  |  2 & 3  | 2 & 3  | 1 & 2  | 1 & 2  |
   |-------------+---------+---------+--------+--------+--------|
   |     6.7     |  2 & 3  |  1 & 2  | 1 & 2  | 1 & 2  | 1 & 2  |
   |-------------+---------+---------+--------+--------+--------|
   |     6.1     |  2 & 3  |  1 & 2  | 2 & 3  | 1 & 2  | 1 & 2  |
   |-------------+---------+---------+--------+--------+--------|
   |     5.6     |  2 & 3  |  2 & 3  | 1 & 2  | 1 & 2  | 1 & 2  |
   |-------------+---------+---------+--------+--------+--------|
   |     5.1     |  2 & 3  |  2 & 3  | 2 & 3  | 1 & 2  | 1 & 2  |
   |-------------+---------+---------+--------+--------+--------|
   |     4.8     |  1 &2   |  1 & 2  | 1 & 2  | 2 & 3  | 1 & 2  |
   |-------------+---------+---------+--------+--------+--------|
   |     4.4     |  1 & 2  |  1 & 2  | 2 & 3  | 2 & 3  | 1 & 2  |
   |-------------+---------+---------+--------+--------+--------|
   |     4.2     |  1 & 2  |  2 & 3  | 1 & 2  | 2 & 3  | 1 & 2  |
   |-------------+---------+---------+--------+--------+--------|
   |     3.9     |  1 & 2  |  2 & 3  | 2 & 3  | 2 & 3  | 1 & 2  |
   |-------------+---------+---------+--------+--------+--------|
   |     3.7     |  2 & 3  |  1 & 2  | 1 & 2  | 2 & 3  | 1 & 2  |
   |-------------+---------+---------+--------+--------+--------|
   |     3.5     |  2 & 3  |  1 & 2  | 2 & 3  | 2 & 3  | 1 & 2  |
   |-------------+---------+---------+--------+--------+--------|
   |     3.3     |  2 & 3  |  2 & 3  | 1 & 2  | 2 & 3  | 1 & 2  |
   |------------------------------------------------------------|
   | Note: Pins designated are in the closed position           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               FOR &GT;33 MHZ VL-BUS COMPUTER               |
   |------------------------------------------------------------|
   | Mbytes/sec. |   W1    |   W2    |   W3   |   W4   |   W5   |
   |-------------+---------+---------+--------+--------+--------|
   |     7.2     |  1 & 2  |  1 & 2  | 1 & 2  | 1 & 2  | 2 & 3  |
   |-------------+---------+---------+--------+--------+--------|
   |     6.3     |  1 & 2  |  2 & 3  | 2 & 3  | 1 & 2  | 2 & 3  |
   |-------------+---------+---------+--------+--------+--------|
   |     5.6     |  2 & 3  |  1 & 2  | 1 & 2  | 1 & 2  | 2 & 3  |
   |-------------+---------+---------+--------+--------+--------|
   |     5.0     |  2 & 3  |  1 & 2  | 2 & 3  | 1 & 2  | 2 & 3  |
   |-------------+---------+---------+--------+--------+--------|
   |     4.5     |  2 & 3  |  2 & 3  | 1 & 2  | 1 & 2  | 2 & 3  |
   |-------------+---------+---------+--------+--------+--------|
   |     4.2     |  2 & 3  |  2 & 3  | 2 & 3  | 1 & 2  | 2 & 3  |
   |-------------+---------+---------+--------+--------+--------|
   |     3.8     |  1 & 2  |  1 & 2  | 1 & 2  | 2 & 3  | 2 & 3  |
   |-------------+---------+---------+--------+--------+--------|
   |     3.6     |  1 & 2  |  1 & 2  | 2 & 3  | 2 & 2  | 2 & 3  |
   |-------------+---------+---------+--------+--------+--------|
   |     3.3     |  1 & 2  |  2 & 3  | 1 & 2  | 2 & 3  | 2 & 3  |
   |------------------------------------------------------------|
   | Note: Pins designated are in the closed position           |
   +------------------------------------------------------------+