TECH MEDIA COMPUTER SYSTEMS CORPORATION
=======================================

   TOP TECH 16 SOUND CARD

   Card Type     CD-ROM interface/Sound card                      
   Chipset       ESS Technology, Inc.                             
   Controller    
   I/O Options   CD-ROM interfaces (5), CD-ROM audio in (2),      
                 Game/MIDI port, line in, mic in, speaker in,     
                 speaker out (2), volume                          
   Maximum DRAM  N/A                                              

<gopher://bitreich.org/I/th99/i/S-T/50948-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |     Purpose      | Location |      Purpose      | Location |
   |------------------+----------+-------------------+----------|
   | Sony CD-ROM      |   CN1    | Panasonic/Mitsumi |    J2    |
   | interface        |          | audio in          |          |
   |------------------+----------+-------------------+----------|
   | Mitsumi CD-ROM   |   CN2    | PC speaker out    |    J3    |
   | interface        |          |                   |          |
   |------------------+----------+-------------------+----------|
   | Panasonic CD-ROM |   CN3    | Mic in            |    J4    |
   | interface        |          |                   |          |
   |------------------+----------+-------------------+----------|
   | Sony CD-ROM      |   CN4    | Line in           |    J5    |
   | interface        |          |                   |          |
   |------------------+----------+-------------------+----------|
   | Panasonic CD-ROM |   CN5    | Speaker out       |    J6    |
   | interface        |          |                   |          |
   |------------------+----------+-------------------+----------|
   | Game/MIDI port   |   CN6    | Sony audio in     |    J7    |
   |------------------+----------+-------------------+----------|
   | PC speaker in    |    J1    | Volume            |   VR1    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             CD-ROM I/O PORT ADDRESS SELECTION              |
   |------------------------------------------------------------|
   |Address |SW1/1 |SW1/2 |SW1/3 |SW1/4 |SW1/5|SW1/6|SW1/7|SW1/8|
   |--------+------+------+------+------+-----+-----+-----+-----|
   |Disabled|  On  |  On  |  On  |  On  | On  | On  | On  | On  |
   |--------+------+------+------+------+-----+-----+-----+-----|
   |  200h  | Off  |  On  |  On  |  On  | On  | On  | On  | On  |
   |--------+------+------+------+------+-----+-----+-----+-----|
   |  210h  | Off  |  On  |  On  |  On  | On  | Off | On  | On  |
   |--------+------+------+------+------+-----+-----+-----+-----|
   |  220h  | Off  |  On  |  On  |  On  | Off | On  | On  | On  |
   |--------+------+------+------+------+-----+-----+-----+-----|
   |  230h  | Off  |  On  |  On  |  On  | Off | Off | On  | On  |
   |--------+------+------+------+------+-----+-----+-----+-----|
   |  240h  | Off  |  On  |  On  | Off  | On  | On  | On  | On  |
   |--------+------+------+------+------+-----+-----+-----+-----|
   |  300h  | Off  | Off  |  On  |  On  | On  | On  | On  | On  |
   |--------+------+------+------+------+-----+-----+-----+-----|
   |  310h  | Off  | Off  |  On  |  On  | On  | Off | On  | On  |
   |--------+------+------+------+------+-----+-----+-----+-----|
   |  320h  | Off  | Off  |  On  |  On  | Off | On  | On  | On  |
   |--------+------+------+------+------+-----+-----+-----+-----|
   |  330h  | Off  | Off  |  On  | Off  | On  | On  | On  | On  |
   |--------+------+------+------+------+-----+-----+-----+-----|
   |  340h  | Off  | Off  |  On  | Off  | On  | On  | On  | On  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                GAME/MIDI PORT CONFIGURATION                |
   |------------------------------------------------------------|
   |          Setting           |              JP1              |
   |----------------------------+-------------------------------|
   |          Enabled           |       Pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |          Disabled          |       Pins 2 & 3 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 AUDIO SOUND CONFIGURATION                  |
   |------------------------------------------------------------|
   |          Setting           |              JP3              |
   |----------------------------+-------------------------------|
   |          Enabled           |       Pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |          Disabled          |       PIns 2 & 3 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    INTERRUPT SELECTION                     |
   |------------------------------------------------------------|
   |            IRQ             |              JP4              |
   |----------------------------+-------------------------------|
   |>> |           9            |   Pins 2 & 3, 5 & 6 closed    |
   |---+------------------------+-------------------------------|
   |   |           5            |   Pins 1 & 2, 5 & 6 closed    |
   |---+------------------------+-------------------------------|
   |   |           7            |   Pins 2 & 3, 4 & 5 closed    |
   |---+------------------------+-------------------------------|
   |   |           10           |   Pins 1 & 2, 4 & 5 closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 BASE I/O ADDRESS SELECTION                 |
   |------------------------------------------------------------|
   |          Address           |              JP5              |
   |----------------------------+-------------------------------|
   |            220h            |   Pins 2 & 3, 5 & 6 closed    |
   |----------------------------+-------------------------------|
   |            230h            |   Pins 1 & 2, 5 & 6 closed    |
   |----------------------------+-------------------------------|
   |            240h            |   Pins 2 & 3, 4 & 5 closed    |
   |----------------------------+-------------------------------|
   |            250h            |   Pins 1 & 2, 4 & 5 closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                       DMA SELECTION                        |
   |------------------------------------------------------------|
   |          Channel           |              JP6              |
   |----------------------------+-------------------------------|
   |            NONE            |   Pins 2 & 3, 5 & 6 closed    |
   |----------------------------+-------------------------------|
   |             0              |   Pins 1 & 2, 5 & 6 closed    |
   |----------------------------+-------------------------------|
   |             1              |   Pins 2 & 3, 4 & 5 closed    |
   |----------------------------+-------------------------------|
   |             3              |   Pins 1 & 2, 4 & 5 closed    |
   +------------------------------------------------------------+