COMPUDYNE
=========

   BOOMBOARD

   Card Type              Sound card                              
   Chip Set               Unidentified                            
   Maximum Onboard Memory None                                    
   I/O Options            Volume, audio in, audio out, Game port  
   Data Bus               8-bit ISA                               

<gopher://bitreich.org/I/th99/i/C-D/52563-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |   Function    | Label |          Function          | Label |
   |---------------+-------+----------------------------+-------|
   | Joystick port |  CN1  | Volume                     |  CN4  |
   |---------------+-------+----------------------------+-------|
   | Audio in      |  CN2  | Pro AudiSpectrum connector |  J5   |
   |---------------+-------+----------------------------+-------|
   | Audio out     |  CN3  |                            |       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Function                | Label | Position  |
   |----------------------------------------+-------+-----------|
   | FM synthesizer enabled                 | SW1/4 |    On     |
   |----------------------------------------+-------+-----------|
   | FM synthesizer disabled                | SW1/4 |    Off    |
   |----------------------------------------+-------+-----------|
   | Game port enabled                      | SW1/5 |    On     |
   |----------------------------------------+-------+-----------|
   | Game port disabled                     | SW1/5 |    Off    |
   |----------------------------------------+-------+-----------|
   | Audio compression enabled              | SW1/6 |    On     |
   |----------------------------------------+-------+-----------|
   | Audio compression disabled             | SW1/6 |    Off    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 BASE I/O ADDRESS SELECTION                 |
   |------------------------------------------------------------|
   |    Setting    |    SW1/1     |    SW1/2     |    SW1/3     |
   |---------------+--------------+--------------+--------------|
   |  $210 - $21F  |     Off      |      On      |      On      |
   |---------------+--------------+--------------+--------------|
   |  $220 - $22F  |      On      |     Off      |      On      |
   |---------------+--------------+--------------+--------------|
   |  $230 - $23F  |     Off      |     Off      |      On      |
   |---------------+--------------+--------------+--------------|
   |  $240 - $24F  |      On      |      On      |     Off      |
   |---------------+--------------+--------------+--------------|
   |  $250 - $25F  |     Off      |      On      |     Off      |
   |---------------+--------------+--------------+--------------|
   |  $260 - $26F  |     Off      |     Off      |     Off      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    INTERRUPT SELECTION                     |
   |------------------------------------------------------------|
   |   IRQ   |    J1/A    |    J1/B    |    J1/C    |   J1/D    |
   |---------+------------+------------+------------+-----------|
   |    2    |   Closed   |    Open    |    Open    |   Open    |
   |---------+------------+------------+------------+-----------|
   |    3    |    Open    |   Closed   |    Open    |   Open    |
   |---------+------------+------------+------------+-----------|
   |    5    |    Open    |    Open    |   Closed   |           |
   |---------+------------+------------+------------+-----------|
   |    7    |    Open    |    Open    |    Open    |  Closed   |
   +------------------------------------------------------------+