BEST UNION ELECTRONICS CO., LTD.

MM AUDIO TELEPHONY 3100

Card Type                  Sound card
Chip Set                   Unidentified
Maximum Onboard Memory     None
I/O Options                Game/MIDI port, line in, line out, microphone,
                           telephone
Data Bus                   16-bit ISA
Floppy drives supported    None

[Image]

                                CONNECTIONS

          Function            Label            Function            Label

  4-pin connector              CN1    Game/MIDI port                CN7

  4-pin connector              CN2    Telephone                      J1

  4-pin connector              CN3    Line in                        J2

  4-pin connector              CN4    Microphone                     J3

  3-pin connector              CN5    Line out                       J4

  4-pin connector              CN6

  Note: The exact function & purpose of CN1 - CN6 is unidentified.

                        USER CONFIGURABLE SETTINGS

                  Function                      Label        Position

  »   I/O port address is 220h - 22Fh           JMPBO        Pins 1 & 2
                                                              closed

      I/O port address is 240h - 24Fh           JMPBO        Pins 2 & 3
                                                              closed

  »   EEPROM hardware settings enabled         JMPCFG        Pins 1 & 2
                                                              closed

      EEPROM hardware settings disabled        JMPCFG        Pins 2 & 3
                                                              closed

  »   Condenser microphone select                JX1         Pins 1 & 2
                                                              closed

      Carbon microphone select                   JX1         Pins 2 & 3
                                                              closed