
IOTECH, INC.

WBK21

Card Type   Multi-I/O
Chipset     Texas Instruments
I/O Options Parallel port, serial port
Data Bus    16-bit ISA
Card Size   Full height, half length

[Image]

                                CONNECTIONS

          Function             Label           Function             Label

  Serial port                  CN1     Parallel port                CN2

                        USER CONFIGURABLE SETTINGS

                  Setting                      Label         Position

     Parallel port address is LPT1:            JP1          Pins 1 & 2
                                                              closed

      Parallel port address is LPT2:            JP1          Pins 2 & 3
                                                              closed

     Parallel port enabled                     JP2          Pins 1 & 2
                                                              closed

      Parallel port disabled                    JP2          Pins 2 & 3
                                                              closed

     Serial port enabled                       JP3          Pins 1 & 2
                                                              closed

      Serial port disabled                      JP3          Pins 2 & 3
                                                              closed

                       SERIAL PORT ADDRESS SELECTION

     Setting         JP4/A      JP4/B      JP4/C      JP4/D       JP4/E

        3F8h       Closed     Closed       Open       Open       Open
       (COM1:)

         2F8h        Open      Closed      Closed      Open       Open
       (COM2:)

         3E8h        Open       Open       Closed     Closed      Open
       (COM3:)

         2E8h        Open       Open        Open      Closed     Closed
       (COM4:)

                      SERIAL PORT INTERRUPT SELECTION

   Setting       JP5/A        JP5/B       JP5/C       JP5/D       JP5/E

         2      Pins 1 &      Open        Open        Open        Open
                   2

         3        Open       Pins 1 &     Open        Open        Open
                                2

        4        Open        Open       Pins 1 &     Open        Open
                                            2

         5        Open        Open        Open       Pins 1 &     Open
                                                        2

         7        Open        Open        Open        Open       Pins 1 &
                                                                    2

            Note:Pins designated are in the closed position.

                     PARALLEL PORT INTERRUPT SELECTION

   Setting       JP5/A        JP5/B       JP5/C       JP5/D       JP5/E

         2      Pins 2 &      Open        Open        Open        Open
                   3

         3        Open       Pins 2 &     Open        Open        Open
                                3

         4        Open        Open       Pins 2 &     Open        Open
                                            3

         5        Open        Open        Open       Pins 2 &     Open
                                                        3

        7        Open        Open        Open        Open       Pins 2 &
                                                                    3

            Note:Pins designated are in the closed position.

