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       # LANTECH COMPUTER CORPORATION
       
          EN2000/CT
       
          NIC Type              Ethernet                                 
          Network Transfer Rate 10Mbps                                   
          Data Bus              16-bit ISA                               
          Topology              Linear Bus, Star                         
          Wiring Type           Unshielded twisted pair                  
                                                                         
                                RG-58A/U 50ohm coaxial                   
          Boot ROM              Available                                
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |         Function          | Label |    Function    | Label |
          |---------------------------+-------+----------------+-------|
          | Unshielded twisted pair   |  CN1  | RG-58A/U 50ohm |  CN2  |
          | port                      |       | coaxial port   |       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  CONFIGURATION SELECTION                   |
          |------------------------------------------------------------|
          |             Setting              |   JP2/A    |   JP2/B    |
          |----------------------------------+------------+------------|
          |   Software configures I/O Base   |    Open    |   Closed   |
          |  address, Boot ROM address and   |            |            |
          |            Interrupt             |            |            |
          |----------------------------------+------------+------------|
          |   Hardware configures I/O Base   |   Closed   |    Open    |
          |  address, Boot ROM address and   |            |            |
          |            Interrupt             |            |            |
          |------------------------------------------------------------|
          |      Note: Jumpers JP1/C-JP1/J and JP2 must be set if      |
          |      hardware configuration is selected. If software       |
          |      configuration is selected JP1/A, JP1/C-J and JP2      |
          |      should be open.                                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 BASE I/O ADDRESS SELECTION                 |
          |------------------------------------------------------------|
          |    Address    |    JP1/A     |    JP1/B     |    JP1/C     |
          |---------------+--------------+--------------+--------------|
          |     300h      |     Open     |     Open     |     Open     |
          |---------------+--------------+--------------+--------------|
          |     320h      |    Closed    |     Open     |     Open     |
          |---------------+--------------+--------------+--------------|
          |     340h      |     Open     |    Closed    |     Open     |
          |---------------+--------------+--------------+--------------|
          |     360h      |    Closed    |    Closed    |     Open     |
          |---------------+--------------+--------------+--------------|
          |     200h      |     Open     |     Open     |    Closed    |
          |---------------+--------------+--------------+--------------|
          |     220h      |    Closed    |     Open     |    Closed    |
          |---------------+--------------+--------------+--------------|
          |     240h      |     Open     |    Closed    |    Closed    |
          |---------------+--------------+--------------+--------------|
          |     260h      |    Closed    |    Closed    |    Closed    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     BOOT ROM SELECTION                     |
          |------------------------------------------------------------|
          |    Size     |  JP1/D  |  JP1/E  | JP1/F  | JP1/G  | JP1/H  |
          |-------------+---------+---------+--------+--------+--------|
          |  Disabled   |   N/A   |   N/A   |  N/A   |  Open  |  Open  |
          |-------------+---------+---------+--------+--------+--------|
          | C000h, 16KB |  Open   |  Open   |  Open  |  Open  | Closed |
          |-------------+---------+---------+--------+--------+--------|
          | C400h, 16KB | Closed  |  Open   |  Open  |  Open  | Closed |
          |-------------+---------+---------+--------+--------+--------|
          | C800h, 16KB |  Open   | Closed  |  Open  |  Open  | Closed |
          |-------------+---------+---------+--------+--------+--------|
          | CC00h, 16KB | Closed  | Closed  |  Open  |  Open  | Closed |
          |-------------+---------+---------+--------+--------+--------|
          | D000h, 16KB |  Open   |  Open   | Closed |  Open  | Closed |
          |-------------+---------+---------+--------+--------+--------|
          | D400h, 16KB | Closed  |  Open   | Closed |  Open  | Closed |
          |-------------+---------+---------+--------+--------+--------|
          | D800h, 16KB |  Open   | Closed  | Closed |  Open  | Closed |
          |-------------+---------+---------+--------+--------+--------|
          | DC00h, 16KB | Closed  | Closed  | Closed |  Open  | Closed |
          |-------------+---------+---------+--------+--------+--------|
          | C000h, 32KB |  Open   |  Open   |  Open  | Closed |  Open  |
          |-------------+---------+---------+--------+--------+--------|
          | C800h, 32KB | Closed  |  Open   |  Open  | Closed |  Open  |
          |-------------+---------+---------+--------+--------+--------|
          | D000h, 32KB |  Open   | Closed  |  Open  | Closed |  Open  |
          |-------------+---------+---------+--------+--------+--------|
          | D800h, 32KB | Closed  | Closed  |  Open  | Closed |  Open  |
          |-------------+---------+---------+--------+--------+--------|
          | C000h, 64KB |  Open   |  Open   | Closed | Closed |  Open  |
          |-------------+---------+---------+--------+--------+--------|
          | D000h, 64KB | Closed  |  Open   | Closed | Closed |  Open  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    INTERRUPT SELECTION                     |
          |------------------------------------------------------------|
          |IRQ |JP2/C |JP2/D |JP2/E |JP2/F |JP2/G |JP2/H |JP2/I |JP2/J |
          |----+------+------+------+------+------+------+------+------|
          |2/9 | Open | Open | Open | Open | Open | Open | Open |Closed|
          |----+------+------+------+------+------+------+------+------|
          | 3  | Open | Open | Open | Open | Open | Open |Closed| Open |
          |----+------+------+------+------+------+------+------+------|
          | 4  | Open | Open | Open | Open | Open |Closed| Open | Open |
          |----+------+------+------+------+------+------+------+------|
          | 5  | Open | Open | Open | Open |Closed| Open | Open | Open |
          |----+------+------+------+------+------+------+------+------|
          | 10 | Open | Open | Open |Closed| Open | Open | Open | Open |
          |----+------+------+------+------+------+------+------+------|
          | 11 | Open | Open |Closed| Open | Open | Open | Open | Open |
          |----+------+------+------+------+------+------+------+------|
          | 12 | Open |Closed| Open | Open | Open | Open | Open | Open |
          |----+------+------+------+------+------+------+------+------|
          | 15 |Closed| Open | Open | Open | Open | Open | Open | Open |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DIAGNOSTIC LED(S)                      |
          |------------------------------------------------------------|
          |  LED   | Status  |                Condition                |
          |--------+---------+-----------------------------------------|
          |  LED1  |   On    |   Data is being transmitted/received    |
          |--------+---------+-----------------------------------------|
          |  LED1  |   Off   | Data is not being transmitted/received  |
          +------------------------------------------------------------+