
PURE DATA LTD.

PDI8025

Transfer Rate 4/16Mbps
Data Bus      16-bit ISA
Topology      Ring
Wiring Type   Shielded/Unshielded twisted pair
Boot ROM      Available

[Image]

                              WATCHDOG TIMER

                 Setting                                JP1

          Watchdog timer enabled                Pins 2 & 3 Closed

           Watchdog timer disabled               Pins 1 & 2 Closed

  Note:The watchdog timer acts as a checksum for each data packet.

                                DMA CHANNEL

       Channel             JP2A              JP2B              JP2C

         DMA5            Closed             Open              Open

          DMA6             Open             Closed             Open

          DMA7             Open              Open             Closed

                                    INTERRUPT REQUEST

   IRQ     JP3A     JP3B     JP3C     JP3D    JP3E     JP3F     JP3G     JP3H     JP3I

     3    Open     Open     Open     Open    Open     Open     Open     Open    Closed

      4    Open     Open     Open     Open    Open     Open     Open     Closed   Open

      5    Open     Open     Open     Open    Open     Open     Closed   Open     Open

      7    Open     Open     Open     Open    Open     Closed   Open     Open     Open

      9    Open     Open     Open     Open    Closed   Open     Open     Open     Open

      10   Open     Open     Open    Closed   Open     Open     Open     Open     Open

      11   Open     Open    Closed    Open    Open     Open     Open     Open     Open

      12   Open    Closed    Open     Open    Open     Open     Open     Open     Open

      15  Closed    Open     Open     Open    Open     Open     Open     Open     Open

                             LLC EPROM ENABLE

                 Setting                                JP4

          External EPROMs enabled               Pins 2 & 3 Closed

           External EPROMs disabled              Pins 1 & 2 Closed

  Note:The LLC EPROMs contain the Logic Link Control program. These chips
  are installed on the card at the factory. The card will function
  properly with the LLC chips disabled.

                                CARD TIMING

                      Setting                                 JP5

           Oscillator select internal (6MHz)          Pins 2 & 3 Closed

        Oscillator select external (Host bus speed     Pins 1 & 2 Closed
                     of 8 or 10MHz)

                             DIAGNOSTIC LED(S)

       Color                  Status                   Condition

        Red                On/Blinking         I/O Bus activity detected

        Red                    Off                 No I/O Bus activity
                                                        detected

       Green                    On                 Card is attached to
                                                        network

       Green                   Off              Card is not initializing

                     I/O BASE ADDRESS AND BASE MEMORY ADDRESS

  I/O     Memory    SW1/1   SW1/2   SW1/3   SW1/4   SW1/5   SW1/6   SW1/7   SW1/8

  0A20h   Disabled   On      On      On      On      On      On      On      On

  0A20h    C0000     On      On      On      On     Off      On      On      On

  0A20h    C4000     On      On      On      Off     On      On      On      On

  0A20h    CC000     On      On      On      Off    Off      On      On      On

  0A20h    D0000     On      On      Off     On      On      On      On      On

  0A20h    D4000     On      On      Off     On     Off      On      On      On

  0A20h    D8000     On      On      Off     Off     On      On      On      On

  0A20h    DC000     On      On      Off     Off    Off      On      On      On

  1A20h   Disabled   On      Off     On      On      On      On      On      On

  1A20h    C0000     On      Off     On      On     Off      On      On      On

  1A20h    C4000     On      Off     On      Off     On      On      On      On

  1A20h    CC000     On      Off     On      Off    Off      On      On      On

  1A20h    D0000     On      Off     Off     On      On      On      On      On

  1A20h    D4000     On      Off     On      On     Off      On      On      On

  1A20h    D8000     On      Off     Off     Off     On      On      On      On

  1A20h    DC000     On      Off     Off     Off    Off      On      On      On

  2A20h   Disabled   Off     On      On      On      On      On      On      On

  2A20h    C0000     Off     On      On      On     Off      On      On      On

  2A20h    C4000     Off     On      On      Off     On      On      On      On

  2A20h    CC000     Off     On      On      Off    Off      On      On      On

  2A20h    D0000     Off     On      Off     On      On      On      On      On

  2A20h    D4000     Off     On      Off     On     Off      On      On      On

  2A20h    D8000     Off     On      Off     Off     On      On      On      On

  2A20h    DC000     Off     On      Off     Off    Off      On      On      On

  3A20h   Disabled   Off     Off     On      On      On      On      On      On

  3A20h    C0000     Off     Off     On      On     Off      On      On      On

  3A20h    C4000     Off     Off     On      Off     On      On      On      On

  3A20h    CC000     Off     Off     On      Off    Off      On      On      On

  3A20h    D0000     Off     Off     Off     On      On      On      On      On

  3A20h    D4000     Off     Off     Off     On     Off      On      On      On

  3A20h    D8000     Off     Off     Off     Off     On      On      On      On

  3A20h    DC000     Off     Off     Off     Off    Off      On      On      On

