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

   PTI-217

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

   Data bus: 16-bit, ISA

   Size: Half-length full-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/C-D/20080-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                  Function                   |   Location   |
   |---------------------------------------------+--------------|
   | 4-pin connector-drive active LED            |      J1      |
   |---------------------------------------------+--------------|
   | 40-pin IDE (AT) Interface connector         |      J2      |
   |---------------------------------------------+--------------|
   | 34-pin control cable connector-floppy drive |      J3      |
   |---------------------------------------------+--------------|
   | 15-pin game port-internal                   |      J4      |
   |---------------------------------------------+--------------|
   | 9-pin serial port 2 (COM2)                  |      J5      |
   |---------------------------------------------+--------------|
   | 9-pin serial port 1 (COM1)                  |      J6      |
   |---------------------------------------------+--------------|
   | 25-pin parallel port-external               |      J7      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |            Function             |  Location   |  Setting   |
   |---------------------------------+-------------+------------|
   |>> | Floppy drive enabled        | JP1 and JP2 |   closed   |
   |---+-----------------------------+-------------+------------|
   |   | Floppy drive disabled       | JP1 and JP2 |    open    |
   |---+-----------------------------+-------------+------------|
   |>> | Hard drive enabled          |     JP3     |   closed   |
   |---+-----------------------------+-------------+------------|
   |   | Hard drive disabled         |     JP3     |    open    |
   |---+-----------------------------+-------------+------------|
   |>> | Single speed floppy drive   |     JP5     | pins 1 & 2 |
   |   | supported                   |             |   closed   |
   |---+-----------------------------+-------------+------------|
   |   | Dual speed floppy drive     |     JP5     | pins 2 & 3 |
   |   | supported                   |             |   closed   |
   |---+-----------------------------+-------------+------------|
   |>> | Game Port disabled          |     JP7     |    open    |
   |---+-----------------------------+-------------+------------|
   |   | Game Port enabled           |     JP7     |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function              | Location |  Setting   |
   |------------------------------------+----------+------------|
   |>> | Supports normal IDE drives     |   JP8    | pins 1 & 2 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Supports older IDE drives      |   JP8    | pins 2 & 3 |
   |   | (such as CP-342)               |          |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT CONFIGURATION                 |
   |------------------------------------------------------------|
   |            LPT             |              JP9              |
   |----------------------------+-------------------------------|
   |>> |          LPT1          |       pins 2 & 3 closed       |
   |---+------------------------+-------------------------------|
   |   |          LPT2          |       pins 1 & 2 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             PARALLEL PORT INTERRUPT SELECTION              |
   |------------------------------------------------------------|
   |            IRQ             |             JP11              |
   |----------------------------+-------------------------------|
   |>>   |         IRQ7         |       pins 2 & 3 closed       |
   |-----+----------------------+-------------------------------|
   |     |         IRQ5         |       pins 1 & 2 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 SERIAL PORT CONFIGURATION                  |
   |------------------------------------------------------------|
   | Serial Port 1 | Serial Port 2 (J5) |          JP4          |
   |     (J6)      |                    |                       |
   |---------------+--------------------+-----------------------|
   |>>    |  COM1  |        COM2        |   pins 2 & 3, 5 & 6   |
   |      |        |                    |        closed         |
   |------+--------+--------------------+-----------------------|
   |      |  COM1  |      Disabled      |   pins 2 & 3, 4 & 5   |
   |      |        |                    |        closed         |
   |------+--------+--------------------+-----------------------|
   |      |  COM2  |      Disabled      |   pins 1 & 2, 5 & 6   |
   |      |        |                    |        closed         |
   |------+--------+--------------------+-----------------------|
   |      |  COM3  |        COM4        |   pins 1 & 2, 4 & 5   |
   |      |        |                    |        closed         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              SERIAL PORT INTERRUPT SELECTION               |
   |------------------------------------------------------------|
   | Serial Port 1 (J6) |  Serial Port 2  |        JP10         |
   |                    |      (J5)       |                     |
   |--------------------+-----------------+---------------------|
   |>> | COM1 uses IRQ4 | COM2 uses IRQ3  |  pins 2 & 3, 4 & 5  |
   |   |                |                 |       closed        |
   |---+----------------+-----------------+---------------------|
   |   | COM1 uses IRQ3 | COM2 uses IRQ4  |  pins 1 & 2, 5 & 6  |
   |   |                |                 |       closed        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                FLOPPY DRIVE PRECOMPENSATION                |
   |------------------------------------------------------------|
   | JP6 Pins 1  | JP6 Pins 2 &-3  |                            |
   | & 2 Closed  |     Closed      |                            |
   |-------------+-----------------+----------------------------|
   |  Data Rate  | Precompensation |   Data   | Precompensation |
   |             |                 |   Rate   |                 |
   |-------------+-----------------+----------+-----------------|
   |  500 Kb/s   |      125ns      | 500 Kb/s |      125ns      |
   |-------------+-----------------+----------+-----------------|
   |  250 Kb/s   |      250ns      | 250 Kb/s |      125ns      |
   |-------------+-----------------+----------+-----------------|
   |  300 Kb/s   |      208ns      | 300 Kb/s |      125ns      |
   |-------------+-----------------+----------+-----------------|
   |  250 Kb/s   |      250ns      | 250 Kb/s |      125ns      |
   |-------------+-----------------+----------+-----------------|
   |  250 Kb/s   |      250ns      | 250 Kb/s |      125ns      |
   |-------------+-----------------+----------+-----------------|
   |  1000 Kb/s  |      83ns       |   1000   |      83ns       |
   |             |                 |   Kb/s   |                 |
   |-------------+-----------------+----------+-----------------|
   |  1000 Kb/s  |      83ns       |   1000   |      83ns       |
   |             |                 |   Kb/s   |                 |
   +------------------------------------------------------------+