
QUATECH, INC.

DS-200/DS-300/DS-300S

Card Type          Serial controller
Chipset/Controller 16450
I/O Options        Serial ports (2)
Maximum DRAM       N/A

[Image]

                            CONNECTIONS

        Purpose          Location         Purpose          Location

  Serial port 1            CN1      Serial port 2            CN2

                         INPUT CLOCK CONFIGURATION

                   MHz                                  J1

                 1.8432MHz               Pins 1 & 2, 3 & 6, 4 & 5 closed

                  3.6864MHz                  Pins 2 & 3, 4 & 5 closed

                  9.216MHz                   Pins 1 & 2, 5 & 6 closed

                  18.432MHz                      Pins 2 & 5 closed

                  PRIMARY PORT BASE MEMORY ADDRESS SELECT

        Address                   SW1                       SW2

          03F8h         Switches 1 & 2, 3 & 4,           All Off
                                5 & 6 on

           02E0h         Switches 1 & 2, 3 & 4,      Switches 4 & 5 on
                              5 & 6, 8 on

           02F8h         Switches 1 & 2, 3 & 4,           All Off
                              5 & 6, 8 on

           03E8h         Switches 1 & 2, 3 & 4,         Switch 4 on
                                5 & 6 on

  Note:All switches other than those designated as on should be placed in
  the Off position.

                 ALTERNATE PORT BASE MEMORY ADDRESS SELECT

        Address                   SW3                       SW4

          02F8h         Switches 1 & 2, 3 & 4,           All Off
                              5 & 6, 8 on

           02E0h         Switches 1 & 2, 3 & 4,      Switches 4 & 5 on
                              5 & 6, 8 on

           03E8h         Switches 1 & 2, 3 & 4,         Switch 4 on
                                5 & 6 on

           03F8h         Switches 1 & 2, 3 & 4,           All Off
                                5 & 6 on

  Note:All switches other than those designated as on should be placed in
  the Off position.

                       PRIMARY PORT INTERRUPT SELECT

                IRQ                                   J3

                IRQ2                           Jumper A closed

                IRQ3                           Jumper B closed

                IRQ4                           Jumper C closed

                IRQ5                           Jumper D closed

                IRQ6                           Jumper E closed

                IRQ7                           Jumper F closed

               IRQ10                           Jumper G closed

               IRQ11                           Jumper H closed

               IRQ12                           Jumper I closed

               IRQ14                           Jumper J closed

               IRQ15                           Jumper K closed

  Note: All jumpers other than those designated should be in the open
  position.

                      ALTERNATE PORT INTERRUPT SELECT

                IRQ                                   J4

                IRQ2                           Jumper A closed

                IRQ3                           Jumper B closed

                IRQ4                           Jumper C closed

                IRQ5                           Jumper D closed

                IRQ6                           Jumper E closed

                IRQ7                           Jumper F closed

               IRQ10                           Jumper G closed

               IRQ11                           Jumper H closed

               IRQ12                           Jumper I closed

               IRQ14                           Jumper J closed

               IRQ15                           Jumper K closed

  Note: All jumpers other than those designated should be in the open
  position.

                      PRIMARY PORT INTERRUPT SHARING

                 Setting                                 J2

         Dedicated interrupt level              Pins 1 & 2 closed

              Interrupt sharing                  Pins 2 & 3 closed

                     ALTERNATE PORT INTERRUPT SHARING

                 Setting                                 J2

         Dedicated interrupt level              Pins 4 & 5 closed

              Interrupt sharing                  Pins 5 & 6 closed

               PRIMARY PORT AUXILIARY CHANNEL CONFIGURATION

  Transmission    Reception              Loopback                  J5

      RTS           CTS                  XCLK/RCLK               Pins 1 &
                                                                2, 3 & 6,
                                                                  4 & 5
                                                                 closed

      XCLK          RCLK                  RTS/CTS                Pins 1 &
                                                                4, 2 & 3,
                                                                  5 & 6
                                                                 closed

      N/A           N/A       RTS/CTS/XCLK/RCLK/AUXOUT/AUXIN     Pins 1 &
                                                                4, 2 & 5,
                                                                  3 & 6
                                                                 closed

              ALTERNATE PORT AUXILIARY CHANNEL CONFIGURATION

  Transmission    Reception              Loopback                  J7

      RTS           CTS                  XCLK/RCLK               Pins 1 &
                                                                2, 3 & 6,
                                                                  4 & 5
                                                                 closed

      XCLK          RCLK                  RTS/CTS                Pins 1 &
                                                                4, 2 & 3,
                                                                  5 & 6
                                                                 closed

      N/A           N/A       RTS/CTS/XCLK/RCLK/AUXOUT/AUXIN     Pins 1 &
                                                                4, 2 & 5,
                                                                  3 & 6
                                                                 closed

    PRIMARY PORT DRIVER CONFIGURATION

       Driver                 J6

        - DTR         Pins 1 & 5 closed

        + DTR         Pins 2 & 6 closed

        - RTS         Pins 3 & 7 closed

        + RTS         Pins 4 & 8 closed

   ALTERNATE PORT DRIVER CONFIGURATION

       Driver                 J8

        - DTR         Pins 1 & 5 closed

        + DTR         Pins 2 & 6 closed

        - RTS         Pins 3 & 7 closed

        + RTS         Pins 4 & 8 closed

