AZTECH LABS, INC.

SOUND GALAXY NX STEREO PRO EXTRA

Card Type                 Sound
Chipset Controller        Unidentified
I/O Options               CD-ROM interface (2), SCSI extension board, CD
                          Audio in, game/MIDI port, Line in, Speaker out,
                          Multimedia PC speaker out, PC speaker in,
                          Microphone jack, Volume control
Maximum DRAM              N/A

[Image]

                                CONNECTIONS

      Purpose           Location           Purpose           Location

  Line in                  CN1         CD audio in              CN6

  Microphone               CN2         SCSI extension           CN7
                                       board

  Audio out                CN3         Mitsumi CD-ROM           CN8

  Game/MIDI port           CN4         Panasonic CD-ROM         CN9

  Multimedia PC            CN5         PC speaker in           CN10
  speaker out

                           VIRTUAL PARALLEL PORT

           Setting                     J1                     J2

  »          Enabled                 Closed                 Closed

             Disabled                 Open                   Open

  Note: Address of virtual parallel port is 278h

                         PC SPEAKER AMPLIFICATION

                  Setting                                 J5

  »            Low amplification                         Open

               High amplification                       Closed

                              MICROPHONE TYPE

            Type                       JX1                   JX2

  »           Carbon            Pins 2 & 3 closed     Pins 2 & 3 closed

            Condenser           Pins 1 & 2 closed     Pins 1 & 2 closed

                                  EEPROM

                 Setting                                J3

  »                Enabled                            Closed

                  Disabled                             Open

                              MITSUMI CD-ROM

           IRQ                      J6                       J7

  »           11                  Closed                    Open

              12                   Open                    Closed