TECH MEDIA COMPUTER SYSTEMS CORPORATION

TOP TECH 16 SOUND CARD

Card Type                CD-ROM interface/Sound card
Chipset Controller       ESS Technology, Inc.
I/O Options              CD-ROM interfaces (5), CD-ROM audio in (2),
                         Game/MIDI port, line in, mic in, speaker in,
                         speaker out (2), volume
Maximum DRAM             N/A

[Image]

                                CONNECTIONS

      Purpose         Location             Purpose             Location

  Sony CD-ROM            CN1       Panasonic/Mitsumi audio        J2
  interface                        in

  Mitsumi CD-ROM         CN2       PC speaker out                 J3
  interface

  Panasonic CD-ROM       CN3       Mic in                         J4
  interface

  Sony CD-ROM            CN4       Line in                        J5
  interface

  Panasonic CD-ROM       CN5       Speaker out                    J6
  interface

  Game/MIDI port         CN6       Sony audio in                  J7

  PC speaker in          J1        Volume                        VR1

                     CD-ROM I/O PORT ADDRESS SELECTION

  Address    SW1/1  SW1/2   SW1/3   SW1/4   SW1/5   SW1/6   SW1/7   SW1/8

  Disabled    On     On      On      On      On      On      On      On

   200h      Off     On      On      On      On      On      On      On

   210h      Off     On      On      On      On     Off      On      On

   220h      Off     On      On      On      Off     On      On      On

   230h      Off     On      On      On      Off    Off      On      On

   240h      Off     On      On      Off     On      On      On      On

   300h      Off     Off     On      On      On      On      On      On

   310h      Off     Off     On      On      On     Off      On      On

   320h      Off     Off     On      On      Off     On      On      On

   330h      Off     Off     On      Off     On      On      On      On

   340h      Off     Off     On      Off     On      On      On      On

       GAME/MIDI PORT CONFIGURATION

       Setting               JP1

       Enabled        Pins 1 & 2 closed

      Disabled        Pins 2 & 3 closed

        AUDIO SOUND CONFIGURATION

       Setting               JP3

       Enabled        Pins 1 & 2 closed

      Disabled        PIns 2 & 3 closed

                            INTERRUPT SELECTION

                 IRQ                                  JP4

  »                 9                       Pins 2 & 3, 5 & 6 closed

                    5                       Pins 1 & 2, 5 & 6 closed

                    7                       Pins 2 & 3, 4 & 5 closed

                    10                      Pins 1 & 2, 4 & 5 closed

               BASE I/O ADDRESS SELECTION

          Address                       JP5

            220h             Pins 2 & 3, 5 & 6 closed

            230h             Pins 1 & 2, 5 & 6 closed

            240h             Pins 2 & 3, 4 & 5 closed

            250h             Pins 1 & 2, 4 & 5 closed

                     DMA SELECTION

          Channel                       JP6

            NONE             Pins 2 & 3, 5 & 6 closed

             0               Pins 1 & 2, 5 & 6 closed

             1               Pins 2 & 3, 4 & 5 closed

             3               Pins 1 & 2, 4 & 5 closed