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

   PTI-227

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

   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/20081-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                  Function                   |   Location   |
   |---------------------------------------------+--------------|
   | 40-pin IDE (AT) Interface connector         |     JP1      |
   |---------------------------------------------+--------------|
   | 2-pin connector-Drive Active LED            |     JP2      |
   |---------------------------------------------+--------------|
   | 34-pin control cable connector-floppy drive |     JP9      |
   |---------------------------------------------+--------------|
   | 15-pin game port-internal                   |     JP10     |
   |---------------------------------------------+--------------|
   | 9-pin serial port 2 (COM2)-internal         |     JP11     |
   |---------------------------------------------+--------------|
   | 9-pin serial port 1 (COM1)-external         |     JP12     |
   |---------------------------------------------+--------------|
   | 25-pin parallel port-external               |     JP13     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |            Function            |   Location   |  Setting   |
   |--------------------------------+--------------+------------|
   |>> | Single IDE drive on chain  |     JP3      |   closed   |
   |---+----------------------------+--------------+------------|
   |   | Two IDE drives on chain    |     JP3      |    open    |
   |---+----------------------------+--------------+------------|
   |>> | Parallel port (CN13) is an |     JP4      |   closed   |
   |   | output port                |              |            |
   |---+----------------------------+--------------+------------|
   |   | Parallel port (CN13) is an |     JP4      |    open    |
   |   | input or output port       |              |            |
   |---+----------------------------+--------------+------------|
   |>> | Supports IBM BIOS          |     JP5      | pins 2 & 3 |
   |   |                            |              |   closed   |
   |---+----------------------------+--------------+------------|
   |   | Supports other BIOS        |     JP5      | pins 1 & 2 |
   |   |                            |              |   closed   |
   |---+----------------------------+--------------+------------|
   |>> | Hard drive port address is | JP7/jumper 1 | pins 1 & 2 |
   |   | 1F0-1F7h, 3F6-3F7h         |              |   closed   |
   |---+----------------------------+--------------+------------|
   |   | Hard drive port address is | JP7/jumper 1 | pins 2 & 3 |
   |   | 170-177h, 376-377h         |              |   closed   |
   |---+----------------------------+--------------+------------|
   |>> | Floppy drive assignment    | JP7/jumper 2 | pins 1 & 2 |
   |   | changed (A: = B:; B: = A:) |              |   closed   |
   |---+----------------------------+--------------+------------|
   |   | Floppy drive assignment    | JP7/jumper 2 | pins 2 & 3 |
   |   | normal                     |              |   closed   |
   |---+----------------------------+--------------+------------|
   |>> | Floppy drive port address  | JP7/jumper 3 | pins 1 & 2 |
   |   | is 3F0-3F7h                |              |   closed   |
   |---+----------------------------+--------------+------------|
   |   | Floppy drive port address  | JP7/jumper 3 | pins 2 & 3 |
   |   | is 370-377h                |              |   closed   |
   |---+----------------------------+--------------+------------|
   |>> | Hard drive enabled         | JP7/jumper 4 | pins 2 & 3 |
   |   |                            |              |   closed   |
   |---+----------------------------+--------------+------------|
   |   | Hard drive disabled        | JP7/jumper 4 | pins 1 & 2 |
   |   |                            |              |   closed   |
   |---+----------------------------+--------------+------------|
   |>> | Floppy drive enabled       | JP7/jumper 5 | pins 2 & 3 |
   |   |                            |              |   closed   |
   |---+----------------------------+--------------+------------|
   |   | Floppy drive disabled      | JP7/jumper 5 | pins 1 & 2 |
   |   |                            |              |   closed   |
   |---+----------------------------+--------------+------------|
   |>> | AT compatible              | JP7/jumper 6 | pins 2 & 3 |
   |   |                            |              |   closed   |
   |---+----------------------------+--------------+------------|
   |   | XT compatible              | JP7/jumper 6 | pins 1 & 2 |
   |   |                            |              |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 1 CONFIGURATION                 |
   |------------------------------------------------------------|
   |       COM        |    JP6/jumper 1    |    JP6/jumper 2    |
   |------------------+--------------------+--------------------|
   |>> |  COM1 (3F8)  | pins 2 & 3 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |  COM3 (3E8)  | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |  COM4 (2E8)  | pins 2 & 3 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |   Disabled   | pins 1 & 2 closed  | pins 1 & 2 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              SERIAL PORT 1 INTERRUPT REQUEST               |
   |------------------------------------------------------------|
   |    IRQ     | JP8/jumper 1  | JP8/jumper 2  | JP8/jumper 3  |
   |------------+---------------+---------------+---------------|
   |>> |  IRQ4  |    closed     |     open      |     open      |
   |---+--------+---------------+---------------+---------------|
   |   |  IRQ3  |     open      |    cloqed     |     open      |
   |---+--------+---------------+---------------+---------------|
   |   |  IRQ5  |     open      |     open      |    closed     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 2 CONFIGURATION                 |
   |------------------------------------------------------------|
   |       COM        |    JP6/jumper 3    |    JP6/jumper 4    |
   |------------------+--------------------+--------------------|
   |>> |  COM2 (2F8)  | pins 2 & 3 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |  COM3 (3E8)  | pins 2 & 3 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |  COM4 (2E8)  | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |   Disabled   | pins 1 & 2 closed  | pins 1 & 2 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              SERIAL PORT 2 INTERRUPT REQUEST               |
   |------------------------------------------------------------|
   |    IRQ     | JP8/jumper 4  | JP8/jumper 5  | JP8/jumper 6  |
   |------------+---------------+---------------+---------------|
   |>> |  IRQ3  |    closed     |     open      |     open      |
   |---+--------+---------------+---------------+---------------|
   |   |  IRQ4  |     open      |    closed     |     open      |
   |---+--------+---------------+---------------+---------------|
   |   |  IRQ5  |     open      |     open      |    closed     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT CONFIGURATION                 |
   |------------------------------------------------------------|
   |       LPT        |    JP6/jumper 5    |    JP6/jumper 6    |
   |------------------+--------------------+--------------------|
   |>> |  LPT1 (378)  | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |  LPT1 (3BC)  | pins 2 & 3 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |  LPT2 (278)  | pins 2 & 3 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |   Disabled   | pins 1 & 2 closed  | pins 1 & 2 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              PARALLEL PORT INTERRUPT REQUEST               |
   |------------------------------------------------------------|
   |       IRQ        |    JP8/jumper 5    |    JP8/jumper 6    |
   |------------------+--------------------+--------------------|
   |>> |     IRQ7     |       closed       |        open        |
   |---+--------------+--------------------+--------------------|
   |   |     IRQ5     |        open        |       closed       |
   +------------------------------------------------------------+