MEDIA VISION TECHNOLOGY, INC.
=============================

   PRO AUDIO SPECTRUM 16 REV.C (650-0022-01)

   Card Type       Sound card                                     
   Chip Set        Unidentified                                   
   Maximum Onboard Unidentified                                   
   Memory          
   I/O Options     SCSI interface, Game/MIDI port, microphone in, 
                   stereo line in, stereo line out, audio in, PC  
                   speaker, auxiliary connector                   
   Data Bus        16-bit ISA                                     

<gopher://bitreich.org/I/th99/i/M-O/53363-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |     Function      | Label |        Function        | Label |
   |-------------------+-------+------------------------+-------|
   | Game/MIDI port    |  CN1  | 50-pin SCSI connector  |  J1   |
   |-------------------+-------+------------------------+-------|
   | Microphone in     |  CN2  | PC speaker connector   |  J4   |
   |-------------------+-------+------------------------+-------|
   | Stereo line out   |  CN3  | Audio in - CD-ROM      |  J5   |
   |-------------------+-------+------------------------+-------|
   | Stereo line in    |  CN4  | Auxiliary connector    |  J13  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function               | Label |   Position   |
   |-------------------------------------+-------+--------------|
   |>> | DMA sharing - disabled          |  J11  |  Pins 2 & 3  |
   |   |                                 |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |   | DMA sharing - enabled           |  J11  |  Pins 1 & 2  |
   |   |                                 |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |>> | Factory configured - do not     |  J9   | Unidentified |
   |   | alter                           |       |              |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 BASE I/O ADDRESS SELECTION                 |
   |------------------------------------------------------------|
   | Setting | J10/pins 1 & 2 | J10/pins 3 & 4 | J10/pins 5 & 6 |
   |---------+----------------+----------------+----------------|
   |>> | 220 |      Open      |      Open      |     Closed     |
   |---+-----+----------------+----------------+----------------|
   |   | 230 |      Open      |     Closed     |      Open      |
   |---+-----+----------------+----------------+----------------|
   |   | 240 |     Closed     |      Open      |      Open      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     BOARD ID SELECTION                     |
   |------------------------------------------------------------|
   |   Setting    | J2/pins 1 & 2 | J2/pins 3 &  | J2/pins 5 &  |
   |              |               |      4       |      6       |
   |--------------+---------------+--------------+--------------|
   |>>     |  0   |     Open      |     Open     |     Open     |
   |-------+------+---------------+--------------+--------------|
   |       |  1   |    Closed     |     Open     |     Open     |
   |-------+------+---------------+--------------+--------------|
   |       |  2   |     Open      |    Closed    |     Open     |
   |-------+------+---------------+--------------+--------------|
   |       |  3   |    Closed     |    Closed    |     Open     |
   |-------+------+---------------+--------------+--------------|
   |       |  4   |     Open      |     Open     |    Closed    |
   |------------------------------------------------------------|
   |      Note: When ID 4 is selected, the base I/O address is  |
   |      forced to 388h. For all other ID's the software scans |
   |      for available settings. Refer to the manufacturer's   |
   |      documentation for possible settings.                  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    INTERRUPT SELECTION                     |
   |------------------------------------------------------------|
   | Setting  | J12/pins 1 | J12/pins 3 | J12/pins 5 | J12/pins |
   |          |    & 2     |    & 4     |    & 6     |  7 & 8   |
   |----------+------------+------------+------------+----------|
   |   | IRQ2 |    Open    |    Open    |    Open    |  Closed  |
   |---+------+------------+------------+------------+----------|
   |   | IRQ3 |    Open    |    Open    |   Closed   |   Open   |
   |---+------+------------+------------+------------+----------|
   |>> | IRQ5 |    Open    |   Closed   |    Open    |   Open   |
   |---+------+------------+------------+------------+----------|
   |   | IRQ7 |   Closed   |    Open    |    Open    |   Open   |
   +------------------------------------------------------------+