BEHAVIOR TECH COMPUTER CORPORATION
==================================

   1831 SOUND CARD

   Card Type     Sound Card                                       
   Chipset       Creative Labs                                    
   Controller    
   I/O Options   Advanced signal processor socket, CD audio in,   
                 CD-ROM interfaces (3), game/MIDI port, line in,  
                 line out, microphone, pc speaker, speaker,       
                 wavetable connector                              
   Maximum DRAM  N/A                                              

<gopher://bitreich.org/I/th99/i/A-B/51383-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |     Purpose     | Location |      Purpose       | Location |
   |-----------------+----------+--------------------+----------|
   | Line in         |   CN1    | CD-ROM audio in    |   CN7    |
   |-----------------+----------+--------------------+----------|
   | Mic. in         |   CN2    | Wavetable          |   CN8    |
   |                 |          | connector          |          |
   |-----------------+----------+--------------------+----------|
   | Line out        |   CN3    | Advanced Signal    |   CN9    |
   |                 |          | Processor socket   |          |
   |-----------------+----------+--------------------+----------|
   | Speaker         |   CN4    | Sony CD-ROM        |   CN10   |
   |                 |          | interface          |          |
   |-----------------+----------+--------------------+----------|
   | Game/MIDI port  |   CN5    | Creative CD-ROM    |   CN11   |
   |                 |          | interface          |          |
   |-----------------+----------+--------------------+----------|
   | PC speaker      |   CN6    | Mitsumi CD-ROM     |   CN12   |
   | connector       |          | interface          |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CD-ROM INTERFACE TYPE                    |
   |------------------------------------------------------------|
   |       Type        |   JP1    |   JP2   |   JP3   |   JP4   |
   |-------------------+----------+---------+---------+---------|
   |>> | Creative Labs |  Closed  |  Open   |  Open   |  Open   |
   |---+---------------+----------+---------+---------+---------|
   |   |     Sony      |   Open   | Closed  |  Open   |  Open   |
   |---+---------------+----------+---------+---------+---------|
   |   |    Mitsumi    |   Open   |  Open   | Closed  |  Open   |
   |---+---------------+----------+---------+---------+---------|
   |   |   Disabled    |   Open   |  Open   |  Open   | Closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   I/O ADDRESS SELECTION                    |
   |------------------------------------------------------------|
   |       Address       |       JP10        |       JP11       |
   |---------------------+-------------------+------------------|
   |>> |      220h       |      Closed       |      Closed      |
   |---+-----------------+-------------------+------------------|
   |   |      240h       |       Open        |      Closed      |
   |---+-----------------+-------------------+------------------|
   |   |      260h       |      Closed       |       Open       |
   |---+-----------------+-------------------+------------------|
   |   |      280h       |       Open        |       Open       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CD ROM INTERRUPT SELECTION                 |
   |------------------------------------------------------------|
   |     IRQ      |      JP5      |     JP6      |     JP7      |
   |--------------+---------------+--------------+--------------|
   |>> |  IRQ11   |    Closed     |     Open     |     Open     |
   |---+----------+---------------+--------------+--------------|
   |   |   IRQ3   |     Open      |     Open     |    Closed    |
   |---+----------+---------------+--------------+--------------|
   |   |  IRQ10   |     Open      |    Closed    |     Open     |
   |---+----------+---------------+--------------+--------------|
   |   | Disabled |     Open      |     Open     |     Open     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  MIDI UART CONFIGURATION                   |
   |------------------------------------------------------------|
   |             Setting             |           JP8            |
   |---------------------------------+--------------------------|
   |>>  |          Enabled           |          Closed          |
   |----+----------------------------+--------------------------|
   |    |          Disabled          |           Open           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 BASE I/O ADDRESS SELECTION                 |
   |------------------------------------------------------------|
   |            Address             |            JP9            |
   |--------------------------------+---------------------------|
   |>>    |          330h           |          Closed           |
   |------+-------------------------+---------------------------|
   |      |          300h           |           Open            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  GAME PORT CONFIGURATION                   |
   |------------------------------------------------------------|
   |             Setting             |           JP14           |
   |---------------------------------+--------------------------|
   |>>  |          Enabled           |          Closed          |
   |----+----------------------------+--------------------------|
   |    |          Disabled          |           Open           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                FACTORY CONFIGURED SETTINGS                 |
   |------------------------------------------------------------|
   |            Jumper            |           Setting           |
   |------------------------------+-----------------------------|
   |             JP12             |           Closed            |
   |------------------------------+-----------------------------|
   |             JP13             |           Closed            |
   |------------------------------------------------------------|
   |   Note: JP12 and JP13 are used to enabled the optional     |
   |   Advanced Signal Processor. The settings used to enable   |
   |   this feature are unidentified.                           |
   +------------------------------------------------------------+