UNIDENTIFIED
============

   SMART DRIVE I/O ADAPTER

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

   Data bus: 16-bit, ISA

   Size: Half-length, full-height card

   Hard drives supported:  Two IDE Interface (AT) drives

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

<gopher://bitreich.org/I/th99/c/U-Z/20247-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                  Function                   |   Location   |
   |---------------------------------------------+--------------|
   | 40-pin AT Interface (IDE) connector         |     CN1      |
   |---------------------------------------------+--------------|
   | 34-pin control cable connector-floppy drive |     CN2      |
   |---------------------------------------------+--------------|
   | 15-pin game port                            |     CN3      |
   |---------------------------------------------+--------------|
   | 9-pin serial port 2 - internal              |     CN4      |
   |---------------------------------------------+--------------|
   | 9-pin serial port 1 - internal*             |     CN5      |
   |---------------------------------------------+--------------|
   | 9-pin serial port 1 - external*             |     CN6      |
   |---------------------------------------------+--------------|
   | 25-pin parallel port-external               |     CN7      |
   |---------------------------------------------+--------------|
   | 4-pin connector-drive active LED            |     CN11     |
   |------------------------------------------------------------|
   | Note:* These ports share the same I/O port addresses and   |
   | may not be used at the same time.                          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |            Function            |   Location   |  Setting   |
   |--------------------------------+--------------+------------|
   |>> | Configuration Register set | JP1/jumper 1 | pins 2 & 3 |
   |   | by hardware (jumpers)      |              |   closed   |
   |---+----------------------------+--------------+------------|
   |   | Configuration Register set | JP1/jumper 1 | pins 1 & 2 |
   |   | by software                |              |   closed   |
   |---+----------------------------+--------------+------------|
   |>> | Floppy drive enabled       | JP1/jumper 4 | pins 2 & 3 |
   |   |                            |              |   closed   |
   |---+----------------------------+--------------+------------|
   |   | Floppy drive disabled      | JP1/jumper 4 | pins 1 & 2 |
   |   |                            |              |   closed   |
   |---+----------------------------+--------------+------------|
   |>> | Factory configured - do    | JP1/jumper 5 | pins 1 & 2 |
   |   | not alter                  |              |   closed   |
   |---+----------------------------+--------------+------------|
   |>> | Two Floppy drives          | JP1/jumper 5 | pins 2 & 3 |
   |   | supported                  |              |   closed   |
   |---+----------------------------+--------------+------------|
   |>> | Hard drive enabled         | JP9 and JP10 |   closed   |
   |---+----------------------------+--------------+------------|
   |   | Hard drive disabled        | JP9 and JP10 |    open    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 SERIAL PORT CONFIGURATION                  |
   |------------------------------------------------------------|
   |   CN4    |  CN5/6   | JP1/jumper | JP1/jumper | JP1/jumper |
   |          |          |     6      |     7      |     8      |
   |----------+----------+------------+------------+------------|
   |   COM2   |   COM1   | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
   |----------+----------+------------+------------+------------|
   | Disabled |   COM1   | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 |
   |----------+----------+------------+------------+------------|
   |   COM1   |   COM2   | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 |
   |----------+----------+------------+------------+------------|
   |   COM1   | Disabled | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 |
   |----------+----------+------------+------------+------------|
   |   COM2   | Disabled | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 |
   |----------+----------+------------+------------+------------|
   | Disabled |   COM2   | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 |
   |----------+----------+------------+------------+------------|
   | Disabled | Disabled | pins 1 & 2 |    N/A     | pins 1 & 2 |
   |------------------------------------------------------------|
   | Note:Pins designated should be in the closed position.     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             PARALLEL PORT (CN7) CONFIGURATION              |
   |------------------------------------------------------------|
   |         LPT         |   JP1/jumper 2    |   JP1/jumper 3   |
   |---------------------+-------------------+------------------|
   |>> | LPT2 (378-37Ah) | pins 2 & 3 closed |    pins 2 & 3    |
   |   |                 |                   |      closed      |
   |---+-----------------+-------------------+------------------|
   |   | LPT3 (278-27Ah) | pins 1 & 2 closed |    pins 2 & 3    |
   |   |                 |                   |      closed      |
   |---+-----------------+-------------------+------------------|
   |   | LPT1 (3BC-3BEh) | pins 2 & 3 closed |    pins 1 & 2    |
   |   |                 |                   |      closed      |
   |---+-----------------+-------------------+------------------|
   |   |    Disabled     | pins 1 & 2 closed |    pins 1 & 2    |
   |   |                 |                   |      closed      |
   +------------------------------------------------------------+