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       # NETWORK INTERFACE TECHNOLOGY CORPORATION
       
          PCARC
       
          NIC Type         Arcnet                                        
          Transfer Rate    2.5Mbps                                       
          Data Bus         8-bit ISA                                     
          Topology         Star                                          
          Wiring Type      RG-62A/U 93ohm coaxial                        
          Boot ROM         Available                                     
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                   NODE ADDRESS SELECTION                   |
          |------------------------------------------------------------|
          |Address|SW3/1 |SW3/2 |SW3/3 |SW3/4 |SW3/5 |SW3/6|SW3/7|SW3/8|
          |-------+------+------+------+------+------+-----+-----+-----|
          |   0   |  On  |  On  |  On  |  On  |  On  | On  | On  | On  |
          |-------+------+------+------+------+------+-----+-----+-----|
          |   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: A total of 255 node address settings are available. |
          |  The switches are a binary representation of the decimal   |
          |  node addresses. Switch SW3/8 is the Least Significant Bit |
          |  and switch SW3/1 is the Most Significant Bit. The switches|
          |  have the following decimal values: switch SW3/8=1,        |
          |  SW3/7=2, SW3/6=4, SW3/5=8, SW3/4=16, SW3/3=32, SW3/2=64,  |
          |  SW3/1=128. Turn off the switches and add the values of the|
          |  off switches to obtain the correct node address. (on=0,   |
          |  off=1)                                                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  SHARED RAM CONFIGURATION                  |
          |------------------------------------------------------------|
          |  Address   |   SW1/3   |   SW1/4   |   SW1/5   |   SW1/6   |
          |------------+-----------+-----------+-----------+-----------|
          |   C0000h   |    Off    |    Off    |    Off    |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |   C4000h   |    Off    |    Off    |    Off    |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |   C8000h   |    Off    |    Off    |    On     |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |   CC000h   |    Off    |    Off    |    On     |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |   D0000h   |    Off    |    On     |    Off    |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |   D4000h   |    Off    |    On     |    Off    |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |   D8000h   |    Off    |    On     |    On     |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |   DC000h   |    Off    |    On     |    On     |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |   E0000h   |    On     |    Off    |    Off    |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |   E4000h   |    On     |    Off    |    Off    |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |   E8000h   |    On     |    Off    |    On     |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |   EC000h   |    On     |    Off    |    On     |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |   F0000h   |    On     |    On     |    Off    |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |   F4000h   |    On     |    On     |    Off    |    On     |
          |------------+-----------+-----------+-----------+-----------|
          |   F8000h   |    On     |    On     |    On     |    Off    |
          |------------+-----------+-----------+-----------+-----------|
          |   FC000h   |    On     |    On     |    On     |    On     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    INTERRUPT SELECTION                     |
          |------------------------------------------------------------|
          |  IRQ   |  SW2/4   |  SW2/5   |  SW2/6  |  SW2/7  |  SW2/8  |
          |--------+----------+----------+---------+---------+---------|
          |   2    |    On    |   Off    |   Off   |   Off   |   Off   |
          |--------+----------+----------+---------+---------+---------|
          |   3    |   Off    |    On    |   Off   |   Off   |   Off   |
          |--------+----------+----------+---------+---------+---------|
          |   4    |   Off    |   Off    |   On    |   Off   |   Off   |
          |--------+----------+----------+---------+---------+---------|
          |   5    |   Off    |   Off    |   Off   |   On    |   Off   |
          |--------+----------+----------+---------+---------+---------|
          |   7    |   Off    |   Off    |   Off   |   Off   |   On    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   TIME OUT CONFIGURATION                   |
          |------------------------------------------------------------|
          |  Response (micro  | Reconfig. |  Distance  | SW1/1 | SW1/2 |
          |       Sec)        |   (ms)    |            |       |       |
          |-------------------+-----------+------------+-------+-------|
          |       74.7        |    840    | 3.8 miles  |  Off  |  Off  |
          |-------------------+-----------+------------+-------+-------|
          |       283.4       |   1680    | 17.5 miles |  Off  |  On   |
          |-------------------+-----------+------------+-------+-------|
          |       561.8       |   1680    | 35.5 miles |  On   |  Off  |
          |-------------------+-----------+------------+-------+-------|
          |      1118.6       |   1680    | 71.4miles  |  On   |  On   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 BASE I/O ADDRESS SELECTION                 |
          |------------------------------------------------------------|
          | Address  |  SW1/7  |  SW1/8  |  SW2/1  |  SW2/2  |  SW2/3  |
          |----------+---------+---------+---------+---------+---------|
          |   200h   |   Off   |   Off   |   Off   |   Off   |   Off   |
          |----------+---------+---------+---------+---------+---------|
          |   210h   |   Off   |   Off   |   Off   |   Off   |   On    |
          |----------+---------+---------+---------+---------+---------|
          |   220h   |   Off   |   Off   |   Off   |   On    |   Off   |
          |----------+---------+---------+---------+---------+---------|
          |   230h   |   Off   |   Off   |   Off   |   On    |   On    |
          |----------+---------+---------+---------+---------+---------|
          |   240h   |   Off   |   Off   |   On    |   Off   |   Off   |
          |----------+---------+---------+---------+---------+---------|
          |   250h   |   Off   |   Off   |   On    |   Off   |   On    |
          |----------+---------+---------+---------+---------+---------|
          |   260h   |   Off   |   Off   |   On    |   On    |   Off   |
          |----------+---------+---------+---------+---------+---------|
          |   270h   |   Off   |   Off   |   On    |   On    |   On    |
          |----------+---------+---------+---------+---------+---------|
          |   280h   |   Off   |   On    |   Off   |   Off   |   Off   |
          |----------+---------+---------+---------+---------+---------|
          |   290h   |   Off   |   On    |   Off   |   Off   |   On    |
          |----------+---------+---------+---------+---------+---------|
          |   2A0h   |   Off   |   On    |   Off   |   On    |   Off   |
          |----------+---------+---------+---------+---------+---------|
          |   2B0h   |   Off   |   On    |   Off   |   On    |   On    |
          |----------+---------+---------+---------+---------+---------|
          |   2C0h   |   Off   |   On    |   On    |   Off   |   Off   |
          |----------+---------+---------+---------+---------+---------|
          |   2D0h   |   Off   |   On    |   On    |   Off   |   On    |
          |----------+---------+---------+---------+---------+---------|
          |   2E0h   |   Off   |   On    |   On    |   On    |   Off   |
          |----------+---------+---------+---------+---------+---------|
          |   2F0h   |   Off   |   On    |   On    |   On    |   On    |
          |----------+---------+---------+---------+---------+---------|
          |   300h   |   On    |   Off   |   Off   |   Off   |   Off   |
          |----------+---------+---------+---------+---------+---------|
          |   310h   |   On    |   Off   |   Off   |   Off   |   On    |
          |----------+---------+---------+---------+---------+---------|
          |   320h   |   On    |   Off   |   Off   |   On    |   Off   |
          |----------+---------+---------+---------+---------+---------|
          |   330h   |   On    |   Off   |   Off   |   On    |   On    |
          |----------+---------+---------+---------+---------+---------|
          |   340h   |   On    |   Off   |   On    |   Off   |   Off   |
          |----------+---------+---------+---------+---------+---------|
          |   350h   |   On    |   Off   |   On    |   Off   |   On    |
          |----------+---------+---------+---------+---------+---------|
          |   360h   |   On    |   Off   |   On    |   On    |   Off   |
          |----------+---------+---------+---------+---------+---------|
          |   370h   |   On    |   Off   |   On    |   On    |   On    |
          |----------+---------+---------+---------+---------+---------|
          |   380h   |   On    |   On    |   Off   |   Off   |   Off   |
          |----------+---------+---------+---------+---------+---------|
          |   390h   |   On    |   On    |   Off   |   Off   |   On    |
          |----------+---------+---------+---------+---------+---------|
          |   3A0h   |   On    |   On    |   Off   |   On    |   Off   |
          |----------+---------+---------+---------+---------+---------|
          |   3B0h   |   On    |   On    |   Off   |   On    |   On    |
          |----------+---------+---------+---------+---------+---------|
          |   3C0h   |   On    |   On    |   On    |   Off   |   Off   |
          |----------+---------+---------+---------+---------+---------|
          |   3D0h   |   On    |   On    |   On    |   Off   |   On    |
          |----------+---------+---------+---------+---------+---------|
          |   3E0h   |   On    |   On    |   On    |   On    |   Off   |
          |----------+---------+---------+---------+---------+---------|
          |   3F0h   |   On    |   On    |   On    |   On    |   On    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             FACTORY CONFIGURED - DO NOT ALTER              |
          |------------------------------------------------------------|
          |         Jumper/Switch         |          Position          |
          |-------------------------------+----------------------------|
          |              JP1              |            N/A             |
          |-------------------------------+----------------------------|
          |              JP2              |            N/A             |
          |-------------------------------+----------------------------|
          |              JP3              |            N/A             |
          |-------------------------------+----------------------------|
          |              JP4              |            N/A             |
          |-------------------------------+----------------------------|
          |              JP5              |            N/A             |
          |-------------------------------+----------------------------|
          |              JP6              |            N/A             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DIAGNOSTIC LED(S)                      |
          |------------------------------------------------------------|
          |   LED   |   Status    |             Condition              |
          |---------+-------------+------------------------------------|
          |  LED1   |     On      |     Network connection is good     |
          |---------+-------------+------------------------------------|
          |  LED1   |  Blinking   | Network reconfigurations occurring |
          |---------+-------------+------------------------------------|
          |  LED1   |     Off     |     Network connection is bad      |
          +------------------------------------------------------------+