AQUILA COMMUNICATIONS

AQ-PCA 100

NIC Type:      ARCnet
Transfer Rate: 2.5Mbps
Data Bus:      8-bit ISA
Topology:      Star
Wiring Type    RG-62A/U 93ohm coaxial
Boot ROM       Available

[Image]

                          INTERRUPT SELECT - JP1

     IRQ        Jumper A    Jumper B    Jumper C    Jumper D    Jumper E

  »    IRQ2      Closed       Open        Open        Open        Open

       IRQ3       Open       Closed       Open        Open        Open

       IRQ4       Open        Open       Closed       Open        Open

       IRQ5       Open        Open        Open       Closed       Open

       IRQ7       Open        Open        Open        Open       Closed

                             EXTENDED TIME-OUT

           Setting                    SW1/1                  SW1/2

  »            78µs                    Off                    Off

              285µs                    Off                    On

              563µs                    On                     Off

              1130µs                   On                     On

  Note: All nodes in the network must have identical time-out settings.

                              MEMORY ADDRESS

   RAM Address     ROM Address    SW1/2      SW1/4      SW1/5     SW1/6

  »    D0000h         N/A          Off        Off        Off       Off

       D0000h        D4000h        On         Off        Off       Off

                              MEMORY ADDRESS

  RAM Address    ROM Address    SW1/2      SW1/4      SW1/5       SW1/6

    D0000h         D4000h        Off        Off         On         On

    D0000h         E4000h        On         Off         On         On

    C0000h          N/A          Off        Off        Off         On

    C0000h         C4000h        On         Off        Off         On

    C2000h          N/A          Off         On        Off         On

    C2000h         C4000h        On          On        Off         On

    D2000h          N/A          Off         On        Off         Off

    D2000h         D4000h        On          On        Off         Off

    E0000h          N/A          Off        Off         On         Off

    E0000h         E4000h        On         Off         On         Off

    E2000h          N/A          Off         On         On         Off

    E2000h         E4000h        On          On         On         Off

  Note:Boot ROM addresses switch settings are only valid on cards with
  boot ROM installed.

                                I/O ADDRESS

       Address             SW1/8             SW1/9            SW1/10

  »        2E0h             Off               Off               Off

           280h             Off               On                On

           2F0h             Off               Off               On

           300h             Off               On                Off

           330h              On               Off               Off

           380h              On               Off               On

           3E0h              On               On                Off

                              NODE ID NUMBER

   ID #     SW2/1   SW2/2   SW2/3   SW2/4   SW2/5   SW2/6   SW2/7   SW2/8

  »   255    On      On      On      On      On      On      On      On

      1     Off     Off     Off     Off     Off     Off     Off      On

  Note: Nodes can be numbered from 1 to 255. The switches are a binary
  representation of the node numbers. When a switch is on, the
  corresponding bit is set to 1 and has the following decimal value:
  SW2/1=128, SW2/2=64, SW2/3=32, SW2/4=16, SW2/5=8, SW2/6=4, SW2/7=2,
  SW2/8=1.