ACER OPEN

S30 16-BIT AUDIO CARD

Card Type                 Sound card
Chipset Controller        Unidentified
I/O Options               CD-ROM interface, CD-ROM audio, game/MIDI port,
                          line in, microphone in, PC speaker in,
                          speaker/line out, volume, wavetable
Maximum DRAM              N/A

[Image]

                                CONNECTIONS

       Purpose          Location            Purpose            Location

  IDE CD-ROM               CN1        Speaker/line out            J1
  interface

  CD-ROM audio in          CN2        Line in                     J2

  Wavetable module         CN3        Mic in                      J3
  connector

  Game/MIDI port           CN4        Volume                     VR1

  PC speaker in            CN5

                        BASE I/O ADDRESS SELECTION

          Address                    BA0                     BA1

  »          220h                  Closed                  Closed

             240h                   Open                   Closed

             260h                  Closed                   Open

             280h                   Open                    Open

                         MPU-401 ADDRESS SELECTION

                Address                               MPUA

  »                330h                              Closed

                   300h                               Open

                           MPU-401 CONFIGURATION

                 Setting                               MPUE

  »                Enabled                             Open

                  Disabled                            Closed

                          GAME PORT CONFIGURATION

                 Setting                               JYEN

  »                Enabled                            Closed

                  Disabled                             Open

                      CD-ROM INTERFACE CONFIGURATION

           Setting                     CD0                   CD1

  »          Enabled                 Closed                 Closed

             Disabled                 Open                   Open

             AUDIO OUTPUT AMPLIFIER CONFIGURATION

       Setting               J22                  J23

      Line out         Pins 1 & 2 closed   Pins 1 & 2 closed

       Speaker         Pins 2 & 3 closed   Pins 2 & 3 closed