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       # TIARA COMPUTER SYSTEMS, INC.
       
          LanCard/E * 1000
       
          NIC Type         Ethernet                                      
          Transfer Rate    10Mbps                                        
          Data Bus         8-bit ISA                                     
          Topology         Linear Bus                                    
          Wiring Type      RG-58A/U 50ohm coaxial                        
                                                                         
                           AUI transceiver via DB-15 port                
          Boot ROM         Available                                     
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                     INTERRUPT REQUEST                      |
          |------------------------------------------------------------|
          |   IRQ   |   JP1    |   JP2   |   JP3   |   JP4   |   JP5   |
          |---------+----------+---------+---------+---------+---------|
          | » |  3  |   Open   | Closed  |  Open   |  Open   |  Open   |
          |---+-----+----------+---------+---------+---------+---------|
          |   |  2  |  Closed  |  Open   |  Open   |  Open   |  Open   |
          |---+-----+----------+---------+---------+---------+---------|
          |   |  4  |   Open   |  Open   | Closed  |  Open   |  Open   |
          |---+-----+----------+---------+---------+---------+---------|
          |   |  5  |   Open   |  Open   |  Open   | Closed  |  Open   |
          |---+-----+----------+---------+---------+---------+---------|
          |   |  7  |   Open   |  Open   |  Open   |  Open   | Closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        DMA CHANNEL                         |
          |------------------------------------------------------------|
          |  Channel  |  JP6   |  JP7  |  JP8  |  JP9  | JP10  | JP11  |
          |-----------+--------+-------+-------+-------+-------+-------|
          |»|Disabled |  Open  | Open  |Closed | Open  | Open  |Closed |
          |-+---------+--------+-------+-------+-------+-------+-------|
          | |  DMA1   | Closed | Open  | Open  |Closed | Open  | Open  |
          |-+---------+--------+-------+-------+-------+-------+-------|
          | |  DMA3   |  Open  |Closed | Open  | Open  |Closed | Open  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         CABLE TYPE                         |
          |------------------------------------------------------------|
          |               Type               |       JP12 - JP19       |
          |----------------------------------+-------------------------|
          |      RG-58A/U 50ohm coaxial      |    Pins 2 & 3 closed    |
          |----------------------------------+-------------------------|
          | Shielded/Unshielded twisted pair |    Pins 2 & 3 closed    |
          |----------------------------------+-------------------------|
          |  AUI transceiver via DB-15 port  |    Pins 1 & 2 closed    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      I/O BASE ADDRESS                      |
          |------------------------------------------------------------|
          |  Address   |   JP20    |  JP21  |  JP22  |  JP23  |  JP24  |
          |------------+-----------+--------+--------+--------+--------|
          | »  | 300h  | Pins 1 &  | Pins 1 | Pins 1 | Pins 2 | Pins 2 |
          |    |       |     2     |  & 2   |  & 2   |  & 3   |  & 3   |
          |----+-------+-----------+--------+--------+--------+--------|
          |    | 000h  | Pins 1 &  | Pins 1 | Pins 1 | Pins 1 | Pins 1 |
          |    |       |     2     |  & 2   |  & 2   |  & 2   |  & 2   |
          |----+-------+-----------+--------+--------+--------+--------|
          |    | 020h  | Pins 2 &  | Pins 1 | Pins 1 | Pins 1 | Pins 1 |
          |    |       |     3     |  & 2   |  & 2   |  & 2   |  & 2   |
          |----+-------+-----------+--------+--------+--------+--------|
          |    | 040h  | Pins 1 &  | Pins 2 | Pins 1 | Pins 1 | Pins 1 |
          |    |       |     2     |  & 3   |  & 2   |  & 2   |  & 2   |
          |----+-------+-----------+--------+--------+--------+--------|
          |    | 060h  | Pins 2 &  | Pins 2 | Pins 1 | Pins 1 | Pins 1 |
          |    |       |     3     |  & 3   |  & 2   |  & 2   |  & 2   |
          |----+-------+-----------+--------+--------+--------+--------|
          |    | 080h  | Pins 1 &  | Pins 1 | Pins 2 | Pins 1 | Pins 1 |
          |    |       |     2     |  & 2   |  & 3   |  & 2   |  & 2   |
          |----+-------+-----------+--------+--------+--------+--------|
          |    | 0A0h  | Pins 2 &  | Pins 1 | Pins 2 | Pins 1 | Pins 1 |
          |    |       |     3     |  & 2   |  & 3   |  & 2   |  & 2   |
          |----+-------+-----------+--------+--------+--------+--------|
          |    | 0C0h  | Pins 1 &  | Pins 2 | Pins 2 | Pins 1 | Pins 1 |
          |    |       |     2     |  & 3   |  & 3   |  & 2   |  & 2   |
          |----+-------+-----------+--------+--------+--------+--------|
          |    | 0E0h  | Pins 2 &  | Pins 2 | Pins 2 | Pins 1 | Pins 1 |
          |    |       |     3     |  & 3   |  & 3   |  & 2   |  & 2   |
          |----+-------+-----------+--------+--------+--------+--------|
          |    | 100h  | Pins 1 &  | Pins 1 | Pins 1 | Pins 2 | Pins 1 |
          |    |       |     2     |  & 2   |  & 2   |  & 3   |  & 2   |
          |----+-------+-----------+--------+--------+--------+--------|
          |    | 120h  | Pins 2 &  | Pins 1 | Pins 1 | Pins 2 | Pins 1 |
          |    |       |     3     |  & 2   |  & 2   |  & 3   |  & 2   |
          |----+-------+-----------+--------+--------+--------+--------|
          |    | 140h  | Pins 1 &  | Pins 2 | Pins 1 | Pins 2 | Pins 1 |
          |    |       |     2     |  & 3   |  & 2   |  & 3   |  & 2   |
          |----+-------+-----------+--------+--------+--------+--------|
          |    | 160h  | Pins 2 &  | Pins 2 | Pins 1 | Pins 2 | Pins 1 |
          |    |       |     3     |  & 3   |  & 2   |  & 3   |  & 2   |
          |----+-------+-----------+--------+--------+--------+--------|
          |    | 180h  | Pins 1 &  | Pins 1 | Pins 2 | Pins 2 | Pins 1 |
          |    |       |     2     |  & 2   |  & 3   |  & 3   |  & 2   |
          |----+-------+-----------+--------+--------+--------+--------|
          |    | 1A0h  | Pins 2 &  | Pins 1 | Pins 2 | Pins 2 | Pins 1 |
          |    |       |     3     |  & 2   |  & 3   |  & 3   |  & 2   |
          |----+-------+-----------+--------+--------+--------+--------|
          |    | 1C0h  | Pins 1 &  | Pins 2 | Pins 2 | Pins 2 | Pins 1 |
          |    |       |     2     |  & 3   |  & 3   |  & 3   |  & 2   |
          |----+-------+-----------+--------+--------+--------+--------|
          |    | 1E0h  | Pins 2 &  | Pins 2 | Pins 2 | Pins 2 | Pins 1 |
          |    |       |     3     |  & 3   |  & 3   |  & 3   |  & 2   |
          |----+-------+-----------+--------+--------+--------+--------|
          |    | 200h  | Pins 1 &  | Pins 1 | Pins 1 | Pins 1 | Pins 2 |
          |    |       |     2     |  & 2   |  & 2   |  & 2   |  & 3   |
          |----+-------+-----------+--------+--------+--------+--------|
          |    | 220h  | Pins 2 &  | Pins 1 | Pins 1 | Pins 1 | Pins 2 |
          |    |       |     3     |  & 2   |  & 2   |  & 2   |  & 3   |
          |----+-------+-----------+--------+--------+--------+--------|
          |    | 240h  | Pins 1 &  | Pins 2 | Pins 1 | Pins 1 | Pins 2 |
          |    |       |     2     |  & 3   |  & 2   |  & 2   |  & 3   |
          |----+-------+-----------+--------+--------+--------+--------|
          |    | 260h  | Pins 2 &  | Pins 2 | Pins 1 | Pins 1 | Pins 2 |
          |    |       |     3     |  & 3   |  & 2   |  & 2   |  & 3   |
          |----+-------+-----------+--------+--------+--------+--------|
          |    | 280h  | Pins 1 &  | Pins 1 | Pins 2 | Pins 1 | Pins 2 |
          |    |       |     2     |  & 2   |  & 3   |  & 2   |  & 3   |
          |----+-------+-----------+--------+--------+--------+--------|
          |    | 2A0h  | Pins 2 &  | Pins 1 | Pins 2 | Pins 1 | Pins 2 |
          |    |       |     3     |  & 2   |  & 3   |  & 2   |  & 3   |
          |----+-------+-----------+--------+--------+--------+--------|
          |    | 2C0h  | Pins 1 &  | Pins 2 | Pins 2 | Pins 1 | Pins 2 |
          |    |       |     2     |  & 3   |  & 3   |  & 2   |  & 3   |
          |----+-------+-----------+--------+--------+--------+--------|
          |    | 2E0h  | Pins 2 &  | Pins 2 | Pins 2 | Pins 1 | Pins 2 |
          |    |       |     3     |  & 3   |  & 3   |  & 2   |  & 3   |
          |----+-------+-----------+--------+--------+--------+--------|
          |    | 320h  | Pins 2 &  | Pins 1 | Pins 1 | Pins 2 | Pins 2 |
          |    |       |     3     |  & 2   |  & 2   |  & 3   |  & 3   |
          |----+-------+-----------+--------+--------+--------+--------|
          |    | 340h  | Pins 1 &  | Pins 2 | Pins 1 | Pins 2 | Pins 2 |
          |    |       |     2     |  & 3   |  & 2   |  & 3   |  & 3   |
          |----+-------+-----------+--------+--------+--------+--------|
          |    | 360h  | Pins 2 &  | Pins 2 | Pins 1 | Pins 2 | Pins 2 |
          |    |       |     3     |  & 3   |  & 2   |  & 3   |  & 3   |
          |----+-------+-----------+--------+--------+--------+--------|
          |    | 380h  | Pins 1 &  | Pins 1 | Pins 2 | Pins 2 | Pins 2 |
          |    |       |     2     |  & 2   |  & 3   |  & 3   |  & 3   |
          |----+-------+-----------+--------+--------+--------+--------|
          |    | 3A0h  | Pins 2 &  | Pins 1 | Pins 2 | Pins 2 | Pins 2 |
          |    |       |     3     |  & 2   |  & 3   |  & 3   |  & 3   |
          |----+-------+-----------+--------+--------+--------+--------|
          |    | 3C0h  | Pins 1 &  | Pins 2 | Pins 2 | Pins 2 | Pins 2 |
          |    |       |     2     |  & 3   |  & 3   |  & 3   |  & 3   |
          |----+-------+-----------+--------+--------+--------+--------|
          |    | 3E0h  | Pins 2 &  | Pins 2 | Pins 2 | Pins 2 | Pins 2 |
          |    |       |     3     |  & 3   |  & 3   |  & 3   |  & 3   |
          |------------------------------------------------------------|
          | Note:Pins designated should be in the closed position.     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             BASE MEMORY ADDRESS - FIRST DIGIT              |
          |------------------------------------------------------------|
          | Address  |    JP25     |   JP26    |   JP27    |   JP28    |
          | Segment  |             |           |           |           |
          |----------+-------------+-----------+-----------+-----------|
          |    0h    | Pins 2 & 3  | Pins 2 &  | Pins 2 &  | Pins 2 &  |
          |          |   closed    | 3 closed  | 3 closed  | 3 closed  |
          |----------+-------------+-----------+-----------+-----------|
          |    1h    | Pins 2 & 3  | Pins 2 &  | Pins 2 &  | Pins 1 &  |
          |          |   closed    | 3 closed  | 3 closed  | 2 closed  |
          |----------+-------------+-----------+-----------+-----------|
          |    2h    | Pins 2 & 3  | Pins 2 &  | Pins 1 &  | Pins 2 &  |
          |          |   closed    | 3 closed  | 2 closed  | 3 closed  |
          |----------+-------------+-----------+-----------+-----------|
          |    3h    | Pins 2 & 3  | Pins 2 &  | Pins 1 &  | Pins 1 &  |
          |          |   closed    | 3 closed  | 2 closed  | 2 closed  |
          |----------+-------------+-----------+-----------+-----------|
          |    4h    | Pins 2 & 3  | Pins 1 &  | Pins 2 &  | Pins 2 &  |
          |          |   closed    | 2 closed  | 3 closed  | 3 closed  |
          |----------+-------------+-----------+-----------+-----------|
          |    5h    | Pins 2 & 3  | Pins 1 &  | Pins 2 &  | Pins 1 &  |
          |          |   closed    | 2 closed  | 3 closed  | 2 closed  |
          |----------+-------------+-----------+-----------+-----------|
          |    6h    | Pins 2 & 3  | Pins 1 &  | Pins 1 &  | Pins 2 &  |
          |          |   closed    | 2 closed  | 2 closed  | 3 closed  |
          |----------+-------------+-----------+-----------+-----------|
          |    7h    | Pins 2 & 3  | Pins 1 &  | Pins 1 &  | Pins 1 &  |
          |          |   closed    | 2 closed  | 2 closed  | 2 closed  |
          |----------+-------------+-----------+-----------+-----------|
          |    8h    | Pins 1 & 2  | Pins 2 &  | Pins 2 &  | Pins 2 &  |
          |          |   closed    | 3 closed  | 3 closed  | 3 closed  |
          |----------+-------------+-----------+-----------+-----------|
          |    9h    | Pins 1 & 2  | Pins 2 &  | Pins 2 &  | Pins 1 &  |
          |          |   closed    | 3 closed  | 3 closed  | 2 closed  |
          |----------+-------------+-----------+-----------+-----------|
          |    Ah    | Pins 1 & 2  | Pins 2 &  | Pins 1 &  | Pins 2 &  |
          |          |   closed    | 3 closed  | 2 closed  | 3 closed  |
          |----------+-------------+-----------+-----------+-----------|
          |    Bh    | Pins 1 & 2  | Pins 2 &  | Pins 1 &  | Pins 1 &  |
          |          |   closed    | 3 closed  | 2 closed  | 2 closed  |
          |----------+-------------+-----------+-----------+-----------|
          |    Ch    | Pins 1 & 2  | Pins 1 &  | Pins 2 &  | Pins 2 &  |
          |          |   closed    | 2 closed  | 3 closed  | 3 closed  |
          |----------+-------------+-----------+-----------+-----------|
          |    Dh    | Pins 1 & 2  | Pins 1 &  | Pins 2 &  | Pins 1 &  |
          |          |   closed    | 2 closed  | 3 closed  | 2 closed  |
          |----------+-------------+-----------+-----------+-----------|
          |    Eh    | Pins 1 & 2  | Pins 1 &  | Pins 1 &  | Pins 2 &  |
          |          |   closed    | 2 closed  | 2 closed  | 3 closed  |
          |----------+-------------+-----------+-----------+-----------|
          |    Fh    | Pins 1 & 2  | Pins 1 &  | Pins 1 &  | Pins 1 &  |
          |          |   closed    | 2 closed  | 2 closed  | 2 closed  |
          |------------------------------------------------------------|
          | Note:The Address Segment is the first digit in the Base    |
          | Memory Address. Refer to the following table for the       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |          BASE MEMORY ADDRESS - LAST THREE DIGITS           |
          |------------------------------------------------------------|
          |    Address    |         JP29          |        JP30        |
          |---------------+-----------------------+--------------------|
          |  x000-x3FFh   |   Pins 2 & 3 closed   | Pins 2 & 3 closed  |
          |---------------+-----------------------+--------------------|
          |  x400-x7FFh   |   Pins 2 & 3 closed   | Pins 1 & 2 closed  |
          |---------------+-----------------------+--------------------|
          |  x800-xBFEh   |   Pins 1 & 2 closed   | Pins 2 & 3 closed  |
          |---------------+-----------------------+--------------------|
          |  xC00-xFFEh   |   Pins 1 & 2 closed   | Pins 1 & 2 closed  |
          |------------------------------------------------------------|
          | Note:Place the three digit address given here behind the   |
          | single digit given in the previous table to get            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                          BOOT ROM                          |
          |------------------------------------------------------------|
          |          Setting           |             JP31              |
          |----------------------------+-------------------------------|
          | » |        Disabled        |       Pins 2 & 3 closed       |
          |---+------------------------+-------------------------------|
          |   |        Enabled         |             Open              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |         FACTORY CONFIGURED SETTINGS - DO NOT ALTER         |
          |------------------------------------------------------------|
          |           Jumper            |           Setting            |
          |-----------------------------+------------------------------|
          |            JP32             |             Open             |
          |-----------------------------+------------------------------|
          |            JP33             |             Open             |
          |-----------------------------+------------------------------|
          |            JP34             |             Open             |
          +------------------------------------------------------------+