
REVEAL COMPUTER PRODUCTS

SC400 PRO 16 (REV. 1)

Card Type                 Sound card
Chip Set                  Unidentified
Maximum Onboard Memory    None
I/O Options               Line in, microphone in, volume control, speaker
                          out, game/MIDI port, audio in - CD-ROM, CD-ROM
                          interfaces (2), PC speaker - internal, wavetable
                          connector
Data Bus                  16-bit ISA

[Image]

                                CONNECTIONS

         Function            Label            Function             Label

  Line in                     CN1     Audio in-CD-ROM               CN6

  Microphone in               CN2     CD-ROM interface              CN7
                                      (Panasonic)

  Volume control              CN3     CD-ROM interface              CN8
                                      (Mitsumi)

  Speaker out                 CN4     Wavetable connector           CN9

  Game/MIDI port              CN5     PC speaker - internal         J2
                                      (not used)

                        USER CONFIGURABLE SETTINGS

                  Function                    Label         Position

     Factory configured  do not alter         J1            Open
      (PC speaker amp)

     Factory configured  do not alter         J4           Closed

     Factory configured  do not alter         J5           Closed

     Factory configured  do not alter        JX1        Unidentified
      (microphone select)

     Factory configured  do not              JX2        Unidentified
      alter(microphone select)

      Programmable EEPROM enabled              JX3           Closed

      Programmable EEPROM disabled             JX3            Open

             MITSUMI INTERRUPT SELECTION

       IRQ          JP1/pins 1 & 2   JP1/pins 3 & 4

        12              Open             Closed

        15             Closed             Open

                 SPEAKER AMPLIFIER SELECTION

       Setting               JP2                  JP3

       Enabled         Pins 2 & 3 closed   Pins 2 & 3 closed

      Disabled         Pins 1 & 2 closed   Pins 1 & 2 closed

                 WAVETABLE ADDRESS SELECTION

       Address                J6                   J7

        530h           Pins 1 & 2 closed   Pins 1 & 2 closed

        EB0h           Pins 1 & 2 closed   Pins 2 & 3 closed

        F40h           Pins 2 & 3 closed   Pins 1 & 2 closed

        604h           Pins 2 & 3 closed   Pins 2 & 3 closed

