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       # TIARA COMPUTER SYSTEMS, INC.
       
          LanCard/E*PC10BT
       
          NIC Type         Ethernet                                      
          Transfer Rate    10Mbps                                        
          Data Bus         8-bit ISA                                     
          Topology         Star                                          
          Wiring Type      Shielded/Unshielded twisted pair              
                                                                         
                           AUI transceiver via DB-15 port                
          Boot ROM         Available                                     
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                     INTERRUPT REQUEST                      |
          |------------------------------------------------------------|
          |   IRQ   |   JP1    |   JP2   |   JP3   |   JP4   |   JP5   |
          |---------+----------+---------+---------+---------+---------|
          |   |  2  |   Open   |  Open   |  Open   |  Open   | Closed  |
          |---+-----+----------+---------+---------+---------+---------|
          | » |  3  |  Closed  |  Open   |  Open   |  Open   |  Open   |
          |---+-----+----------+---------+---------+---------+---------|
          |   |  4  |   Open   | Closed  |  Open   |  Open   |  Open   |
          |---+-----+----------+---------+---------+---------+---------|
          |   |  5  |   Open   |  Open   | Closed  |  Open   |  Open   |
          |---+-----+----------+---------+---------+---------+---------|
          |   |  7  |   Open   |  Open   |  Open   | Closed  |  Open   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        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  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      I/O BASE ADDRESS                      |
          |------------------------------------------------------------|
          |    I/O     |      JPA      |      JPB      |      JPC      |
          |  Address   |               |               |               |
          |------------+---------------+---------------+---------------|
          |    | 200h  |  Pins 1 & 2   |  Pins 1 & 2   |  Pins 1 & 2   |
          |    |       |    Closed     |    Closed     |    Closed     |
          |----+-------+---------------+---------------+---------------|
          |    | 240h  |  Pins 1 & 2   |  Pins 1 & 2   |  Pins 2 & 3   |
          |    |       |    Closed     |    Closed     |    Closed     |
          |----+-------+---------------+---------------+---------------|
          |    | 280h  |  Pins 1 & 2   |  Pins 2 & 3   |  Pins 1 & 2   |
          |    |       |    Closed     |    Closed     |    Closed     |
          |----+-------+---------------+---------------+---------------|
          |    | 2C0h  |  Pins 1 & 2   |  Pins 2 & 3   |  Pins 2 & 3   |
          |    |       |    Closed     |    Closed     |    Closed     |
          |----+-------+---------------+---------------+---------------|
          | »  | 300h  |  Pins 2 & 3   |  Pins 1 & 2   |  Pins 1 & 2   |
          |    |       |    Closed     |    Closed     |    Closed     |
          |----+-------+---------------+---------------+---------------|
          |    | 340h  |  Pins 2 & 3   |  Pins 1 & 2   |  Pins 2 & 3   |
          |    |       |    Closed     |    Closed     |    Closed     |
          |----+-------+---------------+---------------+---------------|
          |    | 380h  |  Pins 2 & 3   |  Pins 2 & 3   |  Pins 1 & 2   |
          |    |       |    Closed     |    Closed     |    Closed     |
          |----+-------+---------------+---------------+---------------|
          |    | 3C0h  |  Pins 2 & 3   |  Pins 2 & 3   |  Pins 2 & 3   |
          |    |       |    Closed     |    Closed     |    Closed     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         CABLE TYPE                         |
          |------------------------------------------------------------|
          |         Setting          |  JPD   |  JPE   |  JPF  |  JPG  |
          |--------------------------+--------+--------+-------+-------|
          | » | Shielded/Unshielded  | Pins 1 | Pins 1 | Pins  | Pins  |
          |   |     twisted pair     |  & 2   |  & 2   | 1 & 2 | 1 & 2 |
          |---+----------------------+--------+--------+-------+-------|
          |   | AUI transceiver via  | Pins 2 | Pins 2 | Pins  | Pins  |
          |   |      DB-15 port      |  & 3   |  & 3   | 2 & 3 | 2 & 3 |
          |------------------------------------------------------------|
          | Note:Pins designated should be in the closed position.     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    BASE MEMORY ADDRESS                     |
          |------------------------------------------------------------|
          |  Address   |      JPP      |      JPQ      |      JPR      |
          |------------+---------------+---------------+---------------|
          |   | C0000h |  Pins 2 & 3   |  Pins 2 & 3   |  Pins 2 & 3   |
          |   |        |    Closed     |    Closed     |    Closed     |
          |---+--------+---------------+---------------+---------------|
          |   | C4000h |  Pins 2 & 3   |  Pins 1 & 2   |  Pins 2 & 3   |
          |   |        |    Closed     |    Closed     |    Closed     |
          |---+--------+---------------+---------------+---------------|
          |   | C8000h |  Pins 1 & 2   |  Pins 2 & 3   |  Pins 2 & 3   |
          |   |        |    Closed     |    Closed     |    Closed     |
          |---+--------+---------------+---------------+---------------|
          |   | CC000h |  Pins 1 & 2   |  Pins 1 & 2   |  Pins 2 & 3   |
          |   |        |    Closed     |    Closed     |    Closed     |
          |---+--------+---------------+---------------+---------------|
          | » | D0000h |  Pins 2 & 3   |  Pins 2 & 3   |  Pins 1 & 2   |
          |   |        |    Closed     |    Closed     |    Closed     |
          |---+--------+---------------+---------------+---------------|
          |   | D4000h |  Pins 2 & 3   |  Pins 1 & 2   |  Pins 1 & 2   |
          |   |        |    Closed     |    Closed     |    Closed     |
          |---+--------+---------------+---------------+---------------|
          |   | D8000h |  Pins 1 & 2   |  Pins 2 & 3   |  Pins 1 & 2   |
          |   |        |    Closed     |    Closed     |    Closed     |
          |---+--------+---------------+---------------+---------------|
          |   | DC000h |  Pins 1 & 2   |  Pins 1 & 2   |  Pins 1 & 2   |
          |   |        |    Closed     |    Closed     |    Closed     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   10BASE-T CONFIGURATION                   |
          |------------------------------------------------------------|
          |             Setting             |  LTS   |  JPK   |  JPH   |
          |---------------------------------+--------+--------+--------|
          | » | Link Test Pulse enabled     | Pins 1 | Pins 1 | Pins 2 |
          |   | (10Base-T receive level     |  & 2   |  & 2   |  & 3   |
          |   | standard)                   |        |        |        |
          |---+-----------------------------+--------+--------+--------|
          |   | Link Test Pulse disabled    | Pins 2 | Pins 2 | Pins 1 |
          |   | (10Base-T receive level     |  & 3   |  & 3   |  & 2   |
          |   | reduced by 4.5dB)           |        |        |        |
          |------------------------------------------------------------|
          | Note:Pins designated should be in the closed position.     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                          BOOT ROM                          |
          |------------------------------------------------------------|
          |          Setting           |          Jumper ROM           |
          |----------------------------+-------------------------------|
          | » |        Disabled        |       Pins 2 & 3 Closed       |
          |---+------------------------+-------------------------------|
          |   |        Enabled         |       Pins 1 & 2 Closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         WAIT STATE                         |
          |------------------------------------------------------------|
          |              Setting              |       Jumper WST       |
          |-----------------------------------+------------------------|
          | » |   Zero wait states disabled   |   Pins 2 & 3 Closed    |
          |---+-------------------------------+------------------------|
          |   |   Zero wait states enabled    |   Pins 1 & 2 Closed    |
          +------------------------------------------------------------+
       
 (IMG) IMG 2
          
       
          +------------------------------------------------------------+
          |                     DIAGNOSTIC LED(S)                      |
          |------------------------------------------------------------|
          |  LED  | Color  | Status |            Condition             |
          |-------+--------+--------+----------------------------------|
          |   1   | Green  |   On   |    Data is being transmitted     |
          |-------+--------+--------+----------------------------------|
          |   1   | Green  |  Off   |  Data is not being transmitted   |
          |-------+--------+--------+----------------------------------|
          |   2   | Green  |   On   |      Data is being received      |
          |-------+--------+--------+----------------------------------|
          |   2   | Green  |  Off   |    Data is not being received    |
          |-------+--------+--------+----------------------------------|
          |   3   | Green  |   On   |    Network connection is good    |
          |-------+--------+--------+----------------------------------|
          |   3   | Green  |  Off   |   Network connection is broken   |
          |-------+--------+--------+----------------------------------|
          |   4   | Amber  |   On   |      Collision is detected       |
          |-------+--------+--------+----------------------------------|
          |   4   | Amber  |  Off   |    No collisions are detected    |
          |-------+--------+--------+----------------------------------|
          | LED5  |  Red   |   On   |   Data is being received power   |
          |-------+--------+--------+----------------------------------|
          | LED5  |  Red   |  Off   | Data is not being received power |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                FACTORY CONFIGURED SETTINGS                 |
          |------------------------------------------------------------|
          |           Jumper           |            Setting            |
          |----------------------------+-------------------------------|
          |            JPN             |       Pins 1 & 2 Closed       |
          |----------------------------+-------------------------------|
          |            JPO             |       Pins 1 & 2 Closed       |
          +------------------------------------------------------------+