(TXT) View Source
       
       # CHAINTECH COMPUTER COMPANY, LTD.
       
          SQ-688C
       
          Card Type     Sound card                                       
          Chipset       Unidentified                                     
          Controller    
          I/O Options   Audio connector (3), CD-ROM IDE interface,       
                        game/MIDI port, line in, microphone in, line     
                        out, volume, wavetable interface                 
          Maximum DRAM  N/A                                              
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |      Purpose       | Location |     Purpose     | Location |
          |--------------------+----------+-----------------+----------|
          | Game/MIDI port     |   CN1    | LED connector   |   JP1    |
          |--------------------+----------+-----------------+----------|
          | CD-ROM IDE         |    J1    | Audio connector |   JP12   |
          | interface          |          |                 |          |
          |--------------------+----------+-----------------+----------|
          | Wavetable          |    J2    | Audio connector |   JP13   |
          | interface          |          |                 |          |
          |--------------------+----------+-----------------+----------|
          | Line in            |    J3    | Audio connector |   JP14   |
          |--------------------+----------+-----------------+----------|
          | Mic in             |    J4    | Volume          |   VR1    |
          |--------------------+----------+-----------------+----------|
          | Line out           |    J5    |                 |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 BASE I/O ADDRESS SELECTION                 |
          |------------------------------------------------------------|
          |     Address      |        JP10        |        JP11        |
          |------------------+--------------------+--------------------|
          | » |     220h     | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
          |---+--------------+--------------------+--------------------|
          |   |     230h     | Pins 2 & 3 closed  | Pins 1 & 2 closed  |
          |---+--------------+--------------------+--------------------|
          |   |     240h     | Pins 1 & 2 closed  | Pins 2 & 3 closed  |
          |---+--------------+--------------------+--------------------|
          |   |     250h     | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    INTERRUPT SELECTION                     |
          |------------------------------------------------------------|
          |       IRQ        |   JP8/Pins 5 & 6   |   JP8/Pins 7 & 8   |
          |------------------+--------------------+--------------------|
          | » |      7       |       Closed       |        Open        |
          |---+--------------+--------------------+--------------------|
          |   |     2/9      |        Open        |        Open        |
          |---+--------------+--------------------+--------------------|
          |   |      5       |        Open        |       Closed       |
          |---+--------------+--------------------+--------------------|
          |   |      10      |       Closed       |       Closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   DMA CHANNEL SELECTION                    |
          |------------------------------------------------------------|
          |     Channel      |   JP8/Pins 1 & 2   |   JP8/Pins 3 & 4   |
          |------------------+--------------------+--------------------|
          | »  |      1      |       Closed       |        Open        |
          |----+-------------+--------------------+--------------------|
          |    |      0      |        Open        |       Closed       |
          |----+-------------+--------------------+--------------------|
          |    |      3      |       Closed       |       Closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                IDE INTERRUPT CONFIGURATION                 |
          |------------------------------------------------------------|
          |        IRQ         |        JP2        |        JP4        |
          |--------------------+-------------------+-------------------|
          | » | 15 (Secondary) | Pins 1 & 2 closed | Pins 1 & 2 closed |
          |---+----------------+-------------------+-------------------|
          |   |  14 (Primary)  | Pins 2 & 3 closed | Pins 2 & 3 closed |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     IDE CONFIGURATION                      |
          |------------------------------------------------------------|
          |          Setting           |              JP3              |
          |----------------------------+-------------------------------|
          | » |        Enabled         |       Pins 1 & 2 closed       |
          |---+------------------------+-------------------------------|
          |   |        Disabled        |       Pins 2 & 3 closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  GAME PORT CONFIGURATION                   |
          |------------------------------------------------------------|
          |          Setting           |              JP9              |
          |----------------------------+-------------------------------|
          | » |        Enabled         |       Pins 1 & 2 closed       |
          |---+------------------------+-------------------------------|
          |   |        Disabled        |       Pins 2 & 3 closed       |
          +------------------------------------------------------------+