TANDON CORPORATION

QUAD SERIAL OPTION BOARD

Category               I/O
Data Bus Type          8-bit ISA
Memory Type            Unidentified
Maximum Onboard Memory Unidentified

[Image]

                           CONNECTIONS

             Purpose                         Location

  37-pin multi serial connector                CN1

            DSR CONTROL SETTINGS (CHANNEL 1)

          Setting                       JP1

  DSR controlled by driver       Pins 1 & 2 closed

      DSR forced true            Pins 2 & 3 closed

      DSR forced false               All open

            DCD CONTROL SETTINGS (CHANNEL 1)

          Setting                       JP2

  DCD controlled by driver       Pins 1 & 2 closed

      DCD forced true            Pins 2 & 3 closed

      DCD forced false               All open

            CTS CONTROL SETTINGS (CHANNEL 1)

          Setting                       JP3

  CTS controlled by driver       Pins 1 & 2 closed

      CTS forced true            Pins 2 & 3 closed

      CTS forced false               All open

            DTR CONTROL SETTINGS (CHANNEL 1)

          Setting                       JP4

  DTR controlled by driver       Pins 1 & 2 closed

      DTR forced true            Pins 2 & 3 closed

      DTR forced false               All open

            RTS CONTROL SETTINGS (CHANNEL 1)

          Setting                       JP5

  RTS controlled by driver       Pins 1 & 2 closed

      RTS forced true            Pins 2 & 3 closed

      RTS forced false               All open

            DSR CONTROL SETTINGS (CHANNEL 2)

          Setting                       JP6

  DSR controlled by driver       Pins 1 & 2 closed

      DSR forced true            Pins 2 & 3 closed

      DSR forced false               All open

            DCD CONTROL SETTINGS (CHANNEL 2)

          Setting                       JP7

  DCD controlled by driver       Pins 1 & 2 closed

      DCD forced true            Pins 2 & 3 closed

      DCD forced false               All open

            CTS CONTROL SETTINGS (CHANNEL 2)

          Setting                       JP8

  CTS controlled by driver       Pins 1 & 2 closed

      CTS forced true            Pins 2 & 3 closed

      CTS forced false               All open

            DTR CONTROL SETTINGS (CHANNEL 2)

          Setting                       JP9

  DTR controlled by driver       Pins 1 & 2 closed

      DTR forced true            Pins 2 & 3 closed

      DTR forced false               All open

            RTS CONTROL SETTINGS (CHANNEL 2)

          Setting                      JP10

  RTS controlled by driver       Pins 1 & 2 closed

      RTS forced true            Pins 2 & 3 closed

      RTS forced false               All open

            DSR CONTROL SETTINGS (CHANNEL 3)

          Setting                      JP11

  DSR controlled by driver       Pins 1 & 2 closed

      DSR forced true            Pins 2 & 3 closed

      DSR forced false               All open

            DCD CONTROL SETTINGS (CHANNEL 3)

          Setting                      JP12

  DCD controlled by driver       Pins 1 & 2 closed

      DCD forced true            Pins 2 & 3 closed

      DCD forced false               All open

            CTS CONTROL SETTINGS (CHANNEL 3)

          Setting                      JP13

  CTS controlled by driver       Pins 1 & 2 closed

      CTS forced true            Pins 2 & 3 closed

      CTS forced false               All open

            DTR CONTROL SETTINGS (CHANNEL 3)

          Setting                      JP14

  DTR controlled by driver       Pins 1 & 2 closed

      DTR forced true            Pins 2 & 3 closed

      DTR forced false               All open

            RTS CONTROL SETTINGS (CHANNEL 3)

          Setting                      JP15

  RTS controlled by driver       Pins 1 & 2 closed

      RTS forced true            Pins 2 & 3 closed

      RTS forced false               All open

            DSR CONTROL SETTINGS (CHANNEL 4)

          Setting                      JP16

  DSR controlled by driver       Pins 1 & 2 closed

      DSR forced true            Pins 2 & 3 closed

      DSR forced false               All open

            DCD CONTROL SETTINGS (CHANNEL 4)

          Setting                      JP17

  DCD controlled by driver       Pins 1 & 2 closed

      DCD forced true            Pins 2 & 3 closed

      DCD forced false               All open

            CTS CONTROL SETTINGS (CHANNEL 4)

          Setting                      JP18

  CTS controlled by driver       Pins 1 & 2 closed

      CTS forced true            Pins 2 & 3 closed

      CTS forced false               All open

            DTR CONTROL SETTINGS (CHANNEL 4)

          Setting                      JP19

  DTR controlled by driver       Pins 1 & 2 closed

      DTR forced true            Pins 2 & 3 closed

      DTR forced false               All open

            RTS CONTROL SETTINGS (CHANNEL 4)

          Setting                      JP20

  RTS controlled by driver       Pins 1 & 2 closed

      RTS forced true            Pins 2 & 3 closed

      RTS forced false               All open

                     BOARD NUMBER SETTINGS

       Address               JP21                 JP22

   Primary board 1     Pins 1 & 2 closed    Pins 1 & 2 closed

  Secondary board 2    Pins 2 & 3 closed    Pins 2 & 3 closed

            TWO BOARD ADDRESSING

    Primary Board         Secondary Board

  280-287h = Port 1A    2A0-2A7h = Port 2A

  288-28Fh = Port 1B    2A8-2AFh = Port 2B

  290-297h = Port 1C    2B0-2B8h = Port 2C

  298-29Fh = Port 1D    2B8-2BFh = Port 2D