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       # ROLAND CORPORATION
       
          SCC-1
       
          Card Type          Sound Card                                  
          Chipset/Controller Roland                                      
          I/O Options        Line out, MIDI port, speaker                
          Maximum DRAM       N/A                                         
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |     Purpose      | Location |      Purpose      | Location |
          |------------------+----------+-------------------+----------|
          | MIDI port input  |   CN1    | Audio out (right) |   CN4    |
          |------------------+----------+-------------------+----------|
          | MIDI port output |   CN2    | Speaker jack      |   CN5    |
          |------------------+----------+-------------------+----------|
          | Audio out (left) |   CN3    |                   |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 I/O ADDRESS CONFIGURATION                  |
          |------------------------------------------------------------|
          |    Data     |  Command   |  Status   |  SW1/1   |  SW1/2   |
          |-------------+------------+-----------+----------+----------|
          | » |  330h   |    330h    |   331h    |   Off    |   Off    |
          |---+---------+------------+-----------+----------+----------|
          |   |  332h   |    332h    |   333h    |    On    |   Off    |
          |---+---------+------------+-----------+----------+----------|
          |   |  334h   |    334h    |   335h    |   Off    |    On    |
          |---+---------+------------+-----------+----------+----------|
          |   |  336h   |    336h    |   337h    |    On    |    On    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      INTERRUPT SELECT                      |
          |------------------------------------------------------------|
          |            IRQ             |              JP1              |
          |----------------------------+-------------------------------|
          | » |          IRQ2          |       Pins 1 & 2 closed       |
          |---+------------------------+-------------------------------|
          |   |          IRQ3          |       Pins 3 & 4 closed       |
          |---+------------------------+-------------------------------|
          |   |          IRQ4          |       Pins 5 & 6 closed       |
          |---+------------------------+-------------------------------|
          |   |          IRQ5          |       Pins 7 & 8 closed       |
          |---+------------------------+-------------------------------|
          |   |          IRQ6          |      Pins 9 & 10 closed       |
          |---+------------------------+-------------------------------|
          |   |          IRQ7          |      Pins 11 & 12 closed      |
          +------------------------------------------------------------+