REVEAL COMPUTER PRODUCTS
========================

   SC400 PRO 16 (REV. 4A)

   Card Type       Sound card                                     
   Chip Set        Unidentified                                   
   Maximum Onboard None                                           
   Memory          
   I/O Options     Line in, microphone in, line out, speaker out, 
                   game/MIDI port, audio in - CD-ROM, CD-ROM      
                   interfaces (4), wavetable connector            
   Data Bus        16-bit ISA                                     

<gopher://bitreich.org/I/th99/i/P-R/53947-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |     Function      | Label |        Function        | Label |
   |-------------------+-------+------------------------+-------|
   | Line in           |  CN1  | CD-ROM interface       |  CN7  |
   |                   |       | (Panasonic)            |       |
   |-------------------+-------+------------------------+-------|
   | Microphone in     |  CN2  | CD-ROM interface       |  CN8  |
   |                   |       | (Mitsumi)              |       |
   |-------------------+-------+------------------------+-------|
   | Line out          |  CN3  | CD-ROM interface       |  CN9  |
   |                   |       | (Sony)                 |       |
   |-------------------+-------+------------------------+-------|
   | Speaker out       |  CN4  | Wavetable connector    | CN10  |
   |-------------------+-------+------------------------+-------|
   | Game/MIDI port    |  CN5  | Expansion connector    | CN11  |
   |-------------------+-------+------------------------+-------|
   | Audio in - CD-ROM |  CN6  | CD-ROM interface (IDE) | CN12  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function               | Label |   Position   |
   |-------------------------------------+-------+--------------|
   |>> | Factory configured - do not     |  JX   | Unidentified |
   |   | alter (microphone select)       |       |              |
   |---+---------------------------------+-------+--------------|
   |   | Programmable EEPROM enabled     |  J3   |  Pins 1 & 2  |
   |   |                                 |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |   | Programmable EEPROM disabled    |  J3   |  Pins 2 & 3  |
   |   |                                 |       |    closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 BASE I/O ADDRESS SELECTION                 |
   |------------------------------------------------------------|
   |          Address           |              J4               |
   |----------------------------+-------------------------------|
   |            220             |       Pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |            240             |       Pins 2 & 3 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 IDE CD-ROM PORT SELECTION                  |
   |------------------------------------------------------------|
   |  Port  |      Port enabled       |      Port disabled      |
   |--------+-------------------------+-------------------------|
   |   1    |  JCD/pins 1 & 2 closed  |  JCD/pins 2 & 3 closed  |
   |--------+-------------------------+-------------------------|
   |   2    |  JCD/pins 4 & 5 closed  |  JCD/pins 5 & 6 closed  |
   |--------+-------------------------+-------------------------|
   |   3    |  JCD/pins 7 & 8 closed  |  JCD/pins 8 & 9 closed  |
   |--------+-------------------------+-------------------------|
   |   4    | JCD/pins 10 & 11 closed | JCD/pins 11 & 12 closed |
   |--------+-------------------------+-------------------------|
   |   5    | JCD/pins 13 & 14 closed | JCD/pins 14 & 15 closed |
   |--------+-------------------------+-------------------------|
   |   6    | JCD/pins 16 & 17 closed | JCD/pins 17 & 18 closed |
   +------------------------------------------------------------+