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       # THOMAS-CONRAD CORPORATION
       
          TC4035
       
          NIC Type         Token-Ring                                    
          Transfer Rate    4Mbps                                         
          Data Bus         8/16-bit ISA                                  
          Topology         Ring                                          
          Wiring Type      Shielded twisted pair                         
                                                                         
                           Unshielded twisted pair                       
          Boot ROM         Available                                     
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                         CABLE TYPE                         |
          |------------------------------------------------------------|
          |       Type       | JP2  | JP3  | JP4  | JP5  | JP6  | JP7  |
          |------------------+------+------+------+------+------+------|
          |»|Shielded twisted| Open |Closed|Closed| Open |Closed|Closed|
          | |      pair      |      |      |      |      |      |      |
          |-+----------------+------+------+------+------+------+------|
          | |   Unshielded   |Closed|Closed| Open |Closed|Closed| Open |
          | |  twisted pair  |      |      |      |      |      |      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         CARD SPEED                         |
          |------------------------------------------------------------|
          |             Speed              |            JP8            |
          |--------------------------------+---------------------------|
          | » |     System clock speed     |     Pins 2 & 3 Closed     |
          |---+----------------------------+---------------------------|
          |   |            8MHz            |     Pins 2 & 4 closed     |
          |---+----------------------------+---------------------------|
          |   |           16MHz            |     Pins 1 & 2 Closed     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      I/O BASE ADDRESS                      |
          |------------------------------------------------------------|
          |     Address      |    SW1/1    |    SW1/2    |    SW1/3    |
          |------------------+-------------+-------------+-------------|
          | » |    1A20h     |     Off     |     Off     |     Off     |
          |---+--------------+-------------+-------------+-------------|
          |   |    2A20h     |     On      |     Off     |     Off     |
          |---+--------------+-------------+-------------+-------------|
          |   |    3A20h     |     Off     |     On      |     Off     |
          |---+--------------+-------------+-------------+-------------|
          |   |    3A40h     |     On      |     On      |     Off     |
          |---+--------------+-------------+-------------+-------------|
          |   |    3A60h     |     Off     |     Off     |     On      |
          |---+--------------+-------------+-------------+-------------|
          |   |    3A80h     |     On      |     Off     |     On      |
          |---+--------------+-------------+-------------+-------------|
          |   |    3AA0h     |     Off     |     On      |     On      |
          |---+--------------+-------------+-------------+-------------|
          |   |    4AE0h     |     On      |     On      |     On      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      BOOT ROM ADDRESS                      |
          |------------------------------------------------------------|
          |      Address      |    SW1/4    |    SW1/5    |   SW1/6    |
          |-------------------+-------------+-------------+------------|
          | » |   Disabled    |     Off     |     Off     |    Off     |
          |---+---------------+-------------+-------------+------------|
          |   |     C400h     |     On      |     Off     |    Off     |
          |---+---------------+-------------+-------------+------------|
          |   |     C800h     |     Off     |     On      |    Off     |
          |---+---------------+-------------+-------------+------------|
          |   |     CC00h     |     On      |     On      |    Off     |
          |---+---------------+-------------+-------------+------------|
          |   |     D000h     |     Off     |     Off     |     On     |
          |---+---------------+-------------+-------------+------------|
          |   |     D400h     |     On      |     Off     |     On     |
          |---+---------------+-------------+-------------+------------|
          |   |     D800h     |     Off     |     On      |     On     |
          |---+---------------+-------------+-------------+------------|
          |   |     DC00h     |     On      |     On      |     On     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         WAIT STATE                         |
          |------------------------------------------------------------|
          |              Setting              |         SW1/7          |
          |-----------------------------------+------------------------|
          | » |   Zero wait states enabled    |          Off           |
          |---+-------------------------------+------------------------|
          |   |   Zero wait states disabled   |           On           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       DMA BURST SIZE                       |
          |------------------------------------------------------------|
          |               Mode                |         SW1/8          |
          |-----------------------------------+------------------------|
          | » | Long burst (14 microseconds)  |          Off           |
          |---+-------------------------------+------------------------|
          |   | Short burst (10 microseconds) |           On           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        DMA CHANNEL                         |
          |------------------------------------------------------------|
          |       Channel        |      SW2/1       |      SW2/2       |
          |----------------------+------------------+------------------|
          | » |       DMA5       |       Off        |        On        |
          |---+------------------+------------------+------------------|
          |   |       DMA1       |        On        |        On        |
          |---+------------------+------------------+------------------|
          |   |       DMA6       |        On        |       Off        |
          |---+------------------+------------------+------------------|
          |   |       DMA7       |       Off        |       Off        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     INTERRUPT REQUEST                      |
          |------------------------------------------------------------|
          |      IRQ       |    SW2/3     |    SW2/4     |    SW2/5    |
          |----------------+--------------+--------------+-------------|
          | » |    2/9     |     Off      |     Off      |     Off     |
          |---+------------+--------------+--------------+-------------|
          |   |     3      |      On      |     Off      |     Off     |
          |---+------------+--------------+--------------+-------------|
          |   |     5      |     Off      |     Off      |     On      |
          |---+------------+--------------+--------------+-------------|
          |   |     6      |     Off      |      On      |     Off     |
          |---+------------+--------------+--------------+-------------|
          |   |     7      |      On      |      On      |     Off     |
          |---+------------+--------------+--------------+-------------|
          |   |     10     |      On      |     Off      |     On      |
          |---+------------+--------------+--------------+-------------|
          |   |     11     |     Off      |      On      |     On      |
          |---+------------+--------------+--------------+-------------|
          |   |     12     |      On      |      On      |     On      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                FACTORY CONFIGURED SETTINGS                 |
          |------------------------------------------------------------|
          |            Jumper            |           Setting           |
          |------------------------------+-----------------------------|
          |             JP1              |           Unused            |
          |------------------------------+-----------------------------|
          |            SW2/6             |           Unused            |
          |------------------------------+-----------------------------|
          |            SW2/7             |           Unused            |
          |------------------------------+-----------------------------|
          |            SW2/8             |           Unused            |
          |------------------------------------------------------------|
          | Note:JP1 is not included on later versions of this card.   |
          +------------------------------------------------------------+
       
 (IMG) IMG 2
          
       
          +------------------------------------------------------------+
          |                            LEDS                            |
          |------------------------------------------------------------|
          | LED  | Color | Status |             Condition              |
          |------+-------+--------+------------------------------------|
          | LED1 |  Red  |   On   |    Data is being transmitted or    |
          |      |       |        |              received              |
          |------+-------+--------+------------------------------------|
          | LED1 |  Red  |  Off   |    Data is being transmitted or    |
          |      |       |        |              received              |
          |------+-------+--------+------------------------------------|
          | LED2 | Green |   On   |     Network connection is good     |
          |------+-------+--------+------------------------------------|
          | LED2 | Green |  Off   |    Network connection is broken    |
          +------------------------------------------------------------+