(TXT) View Source
       
       # CNET TECHNOLOGY, INC.
       
          CN190ST
       
          NIC Type         ARCnet                                        
          Transfer Rate    2.5Mbps                                       
          Data Bus         16-bit ISA                                    
          Topology         Star                                          
          Wiring Type      Unshielded twisted pair                       
                                                                         
                           RG-62A/U 93ohm coaxial                        
          Boot ROM         Available                                     
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        NODE ADDRESS                        |
          |------------------------------------------------------------|
          |Node |SW1/1 |SW1/2 |SW1/3 |SW1/4 |SW1/5 |SW1/6 |SW1/7 |SW1/8|
          |-----+------+------+------+------+------+------+------+-----|
          |  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  |   JP1    |   JP2    |
          |                  |       Time        |          |          |
          |------------------+-------------------+----------+----------|
          |      74.7µs      |       840ms       |   Open   |   Open   |
          |------------------+-------------------+----------+----------|
          |     283.4µs      |      1680ms       |  Closed  |   Open   |
          |------------------+-------------------+----------+----------|
          |     561.8µs      |      1680ms       |   Open   |  Closed  |
          |------------------+-------------------+----------+----------|
          |     1118.6µs     |      1680ms       |  Closed  |  Closed  |
          |------------------------------------------------------------|
          | Note:All NICs on the network must have this option set the |
          | same.                                                      |
          +------------------------------------------------------------+
       
       +---------------------------------------------------------------------------------+
       |                                INTERRUPT REQUEST                                |
       |---------------------------------------------------------------------------------|
       |IRQ | JP3  | JP4  | JP5  | JP6  | JP7  | JP9  | JP10 | JP11 | JP12 | JP14 | JP15 |
       |----+------+------+------+------+------+------+------+------+------+------+------|
       |»|3 |Closed| Open | Open | Open | Open | Open | Open | Open | Open | Open | Open |
       |-+--+------+------+------+------+------+------+------+------+------+------+------|
       | |4 | Open |Closed| Open | Open | Open | Open | Open | Open | Open | Open | Open |
       |-+--+------+------+------+------+------+------+------+------+------+------+------|
       | |5 | Open | Open |Closed| Open | Open | Open | Open | Open | Open | Open | Open |
       |-+--+------+------+------+------+------+------+------+------+------+------+------|
       | |6 | Open | Open | Open |Closed| Open | Open | Open | Open | Open | Open | Open |
       |-+--+------+------+------+------+------+------+------+------+------+------+------|
       | |7 | Open | Open | Open | Open |Closed| Open | Open | Open | Open | Open | Open |
       |-+--+------+------+------+------+------+------+------+------+------+------+------|
       | |9 | Open | Open | Open | Open | Open |Closed| Open | Open | Open | Open | Open |
       |-+--+------+------+------+------+------+------+------+------+------+------+------|
       | |10| Open | Open | Open | Open | Open | Open |Closed| Open | Open | Open | Open |
       |-+--+------+------+------+------+------+------+------+------+------+------+------|
       | |11| Open | Open | Open | Open | Open | Open | Open |Closed| Open | Open | Open |
       |-+--+------+------+------+------+------+------+------+------+------+------+------|
       | |12| Open | Open | Open | Open | Open | Open | Open | Open |Closed| Open | Open |
       |-+--+------+------+------+------+------+------+------+------+------+------+------|
       | |14| Open | Open | Open | Open | Open | Open | Open | Open | Open |Closed| Open |
       |-+--+------+------+------+------+------+------+------+------+------+------+------|
       | |15| Open | Open | Open | Open | Open | Open | Open | Open | Open | Open |Closed|
       +---------------------------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         CABLE TYPE                         |
          |------------------------------------------------------------|
          |               Type                |      JP16 & JP17       |
          |-----------------------------------+------------------------|
          | » |    Unshielded twisted pair    |   Pins 1 & 2 Closed    |
          |---+-------------------------------+------------------------|
          |   |    RG-62A/U 93ohm coaxial     |   Pins 2 & 3 Closed    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      I/O BASE ADDRESS                      |
          |------------------------------------------------------------|
          |  Address   |   SW2/1   |   SW2/2   |   SW2/3   |   SW2/4   |
          |------------+-----------+-----------+-----------+-----------|
          |    200h    |    On     |    On     |    On     |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |    220h    |    On     |    On     |    On     |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |    240h    |    On     |    On     |    Off    |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |    260h    |    On     |    On     |    Off    |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |    280h    |    On     |    Off    |    On     |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |    2A0h    |    On     |    Off    |    On     |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |    2C0h    |    On     |    Off    |    Off    |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |    2E0h    |    On     |    Off    |    Off    |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |    300h    |    Off    |    On     |    On     |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |    320h    |    Off    |    On     |    On     |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |    340h    |    Off    |    On     |    Off    |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |    360h    |    Off    |    On     |    Off    |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |    380h    |    Off    |    Off    |    On     |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |    3A0h    |    Off    |    Off    |    On     |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |    3C0h    |    Off    |    Off    |    Off    |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |    3E0h    |    Off    |    Off    |    Off    |    Off    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |         BASE MEMORY ADDRESS & BOOT ROM ADDRESS         |
          |------------------------------------------------------------|
          | Base Address |  Boot ROM   | SW2/5 | SW2/6 | SW2/7 | SW2/8 |
          |              |   Address   |       |       |       |       |
          |--------------+-------------+-------+-------+-------+-------|
          |     | C0000h |   C4000h    |  Off  |  On   |  On   |  On   |
          |-----+--------+-------------+-------+-------+-------+-------|
          |     | C8000h |   CC000h    |  Off  |  On   |  On   |  Off  |
          |-----+--------+-------------+-------+-------+-------+-------|
          | »   | D0000h |   D4000h    |  Off  |  On   |  Off  |  On   |
          |-----+--------+-------------+-------+-------+-------+-------|
          |     | D8000h |   DC000h    |  Off  |  On   |  Off  |  Off  |
          |-----+--------+-------------+-------+-------+-------+-------|
          |     | E0000h |   E4000h    |  Off  |  Off  |  On   |  On   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DIAGNOSTIC LED(S)                      |
          |------------------------------------------------------------|
          |  LED  | Status |                 Condition                 |
          |-------+--------+-------------------------------------------|
          | LED1  |   On   |   Data is being transmitted or received   |
          |-------+--------+-------------------------------------------|
          | LED1  |  Off   | Data is not being transmitted or received |
          +------------------------------------------------------------+