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