CHAINTECH COMPUTER COMPANY, LTD.

SQ-688C

Card Type                 Sound card
Chipset Controller        Unidentified
I/O Options               Audio connector (3), CD-ROM IDE interface,
                          game/MIDI port, line in, microphone in, line
                          out, volume, wavetable interface
Maximum DRAM              N/A

[Image]

                              CONNECTIONS

        Purpose           Location          Purpose          Location

  Game/MIDI port            CN1       LED connector             JP1

  CD-ROM IDE interface       J1       Audio connector          JP12

  Wavetable interface        J2       Audio connector          JP13

  Line in                    J3       Audio connector          JP14

  Mic in                     J4       Volume                    VR1

  Line out                   J5

                        BASE I/O ADDRESS SELECTION

         Address                    JP10                    JP11

  »          220h            Pins 2 & 3 closed        Pins 2 & 3 closed

             230h            Pins 2 & 3 closed        Pins 1 & 2 closed

             240h            Pins 1 & 2 closed        Pins 2 & 3 closed

             250h            Pins 1 & 2 closed        Pins 1 & 2 closed

                            INTERRUPT SELECTION

           IRQ                JP8/Pins 5 & 6           JP8/Pins 7 & 8

  »           7                   Closed                    Open

             2/9                   Open                     Open

              5                    Open                    Closed

             10                   Closed                   Closed

                           DMA CHANNEL SELECTION

        Channel              JP8/Pins 1 & 2            JP8/Pins 3 & 4

  »           1                  Closed                     Open

              0                   Open                     Closed

              3                  Closed                    Closed

                        IDE INTERRUPT CONFIGURATION

              IRQ                       JP2                   JP4

  »        15 (Secondary)        Pins 1 & 2 closed     Pins 1 & 2 closed

            14 (Primary)         Pins 2 & 3 closed     Pins 2 & 3 closed

                             IDE CONFIGURATION

                Setting                                 JP3

  »                Enabled                       Pins 1 & 2 closed

                  Disabled                       Pins 2 & 3 closed

                          GAME PORT CONFIGURATION

                Setting                                 JP9

  »                Enabled                       Pins 1 & 2 closed

                  Disabled                       Pins 2 & 3 closed