
CNET TECHNOLOGY, INC.

CN160A

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

[Image]

                               NODE ADDRESS

  Node   SW2/1    SW2/2   SW2/3   SW2/4    SW2/5   SW2/6    SW2/7   SW2/8

   0       -       -        -       -       -        -       -        -

   1      Off      On      On      On       On      On       On      On

   2      On      Off      On      On       On      On       On      On

   3      Off     Off      On      On       On      On       On      On

   4      On       On      Off     On       On      On       On      On

  251     Off     Off      On      Off     Off      Off     Off      Off

  252     On       On      Off     Off     Off      Off     Off      Off

  253     Off      On      Off     Off     Off      Off     Off      Off

  254     On      Off      Off     Off     Off      Off     Off      Off

  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
       1 is the Least Significant Bit and switch 8 is the Most
       Significant Bit. The switches have the following decimal values:
       switch 1=1, 2=2, 3=4, 4=8, 5=16, 6=32, 7=64, 8=128. Turn off the
       switches and add the values of the off switches to obtain the
       correct node address. (On=0, off=1)

                     RESPONSE/RECONFIGURATION TIMEOUTS

  Response Time     Reconfiguration Time        JP1              JP2

      74.7s               840ms                Open            Open

     283.4s               1680ms              Closed           Open

     561.8s               1680ms               Open           Closed

     1118.6s              1680ms              Closed          Closed

  Note: All NICs on the network must have this option set the same.

                                          INTERRUPT REQUEST

   IRQ    JP3     JP4      JP5      JP6      JP7      JP8      JP9     JP10    JP11    JP12     JP13

     2   Open    Open     Open     Open    Open     Open     Open     Open    Open    Open    Closed

      3   Open    Open     Open     Open    Open     Closed   Open     Open    Open    Open     Open

      4   Open    Open     Open     Open    Open     Open     Closed   Open    Open    Open     Open

      5   Open    Open     Open     Open    Open     Open     Open     Closed  Open    Open     Open

      7   Open    Open     Open     Open    Open     Open     Open     Open    Open   Closed    Open

      10  Open    Open     Open     Open    Closed   Open     Open     Open    Open    Open     Open

      11  Open    Open     Open    Closed   Open     Open     Open     Open    Open    Open     Open

      12  Open    Open    Closed    Open    Open     Open     Open     Open    Open    Open     Open

      15  Open   Closed    Open     Open    Open     Open     Open     Open    Open    Open     Open

                             I/O BASE ADDRESS

   Address      SW1/1     SW1/2     SW1/3     SW1/4     SW1/5      SW1/6

       260h      Off       On         On       Off       Off        On

       290h      Off       On        Off        On        On        Off

      2E0h      Off       On        Off       Off       Off        On

       2F0h      Off       On        Off       Off       Off        Off

       300h      Off       Off        On        On        On        On

       350h      Off       Off        On       Off        On        Off

       380h      Off       Off       Off        On        On        On

       3E0h      Off       Off       Off       Off       Off        On

         BASE MEMORY ADDRESS &AMP; BOOT ROM ADDRESS (REV.D, VER: A
                              05-01-0005-03)

  Base Address       Boot ROM     SW1/7     SW1/7      SW1/9     SW1/10
                     Address

       C0000h        C8000h        Off       Off        On         On

      D0000h        D8000h        Off       Off        On         Off

       E0000h        E8000h        Off       Off        Off        On

    BASE MEMORY ADDRESS &AMP; BOOT ROM ADDRESSS (VER: A 05-01-0005-04 OR
                                  ABOVE)

  Base Address       Boot ROM     SW1/7     SW1/8      SW1/9     SW1/10
                     Address

       C0000h        C2000h         On        On        On         On

       C4000h        C6000h         On        On        On         Off

       CC000h        CE000h         On        On        Off        Off

      D0000h        D2000h         On       Off        On         On

       D4000h        D6000h         On       Off        On         Off

       D8000h        DA000h         On       Off        Off        On

       DC000h        DE000h         On       Off        Off        Off

       E0000h        E2000h        Off        On        On         On

                             DIAGNOSTIC LED(S)

       LED               Status                     Condition

       LED1                On                Link integrity is good

       LED1               Off               Link integrity is broken

       LED2                On              Data is being transmitted or
                                                    recieved

       LED2               Off            Data is not being transmitted or
                                                    recieved

