
PURE DATA, LTD.

PDI508

NIC Type      ARCnet
Transfer Rate 2.5Mbps
Data Bus      16-bit ISA
Topology      Star
Wiring Type   RG-62A/U 93ohm coaxial
Boot ROM      Available

[Image]

                               NODE ADDRESS

  Node   SW3/1    SW3/2   SW3/3   SW3/4    SW3/5   SW3/6    SW3/7   SW3/8

   0       -       -        -       -       -        -       -        -

   1      On       On      On      On       On      On       On      Off

   2      On       On      On      On       On      On      Off      On

   3      On       On      On      On       On      On      Off      Off

   4      On       On      On      On       On      Off      On      On

  251     Off     Off      Off     Off     Off      On      Off      Off

  252     Off     Off      Off     Off     Off      Off      On      On

  253     Off     Off      Off     Off     Off      Off      On      Off

  254     Off     Off      Off     Off     Off      Off     Off      On

  255     Off     Off      Off     Off     Off      Off     Off      Off

       Note:Node address 0 is used for messaging between nodes and must
       not be used.

       A total of 255 node address settings are available. The switches
       are a binary representation of the decimal node addresses. Switch
       8 is the Least Significant Bit and switch 1 is the Most
       Significant Bit. The switches have the following decimal values:
       switch 8=1, 7=2, 6=4, 5=8, 4=16, 3=32, 2=64, 1=128. Turn off the
       switches and add the values of the off switches to obtain the
       correct node address. (On=0, off=1)

                 BASE MEMORY ADDRESS

  Address    SW1/1      SW1/2      SW1/3      SW1/4

   D000h      Off        Off        On         Off

   C000h      Off        Off        On         On

   E000h      Off        Off        Off        On

                   I/O BASE ADDRESS

  Address    SW1/7      SW1/8      SW2/1      SW2/2

   2E0h       Off        Off        Off        On

   2F0h       Off        Off        Off        Off

                      INTERRUPT REQUEST

   IRQ     SW2/3    SW2/4    SW2/5   SW2/6    SW2/7   SW2/8

    2       On      Off      Off      Off     Off      Off

    3       Off      On      Off      Off     Off      Off

    4       Off     Off       On      Off     Off      Off

    5       Off     Off      Off      On      Off      Off

    7       Off     Off      Off      Off     Off      On

   FACTORY CONFIGURED SETTINGS

     Switch          Setting

  SW1/5 & SW1/6       Unused

