DTK COMPUTER, INC.
==================

   ETN-003T

   NIC Type         Ethernet                                      
   Transfer Rate    10Mbps                                        
   Data Bus         16-bit ISA                                    
   Topology         Star                                          
   Wiring Type      Unshielded twisted pair                       
                                                                  
                    AUI transceiver via DB-15 port                
   Boot ROM         Available                                     

<gopher://bitreich.org/I/th99/n/C-D/40534-1.png>
   

   +------------------------------------------------------------+
   |                     INTERRUPT REQUEST                      |
   |------------------------------------------------------------|
   |   IRQ    |   W1A   |   W1B   |   W1C   |   W1D   |   W1E   |
   |----------+---------+---------+---------+---------+---------|
   |   | 2/9  | Closed  |  Open   |  Open   |  Open   |  Open   |
   |---+------+---------+---------+---------+---------+---------|
   |>> |  3   |  Open   | Closed  |  Open   |  Open   |  Open   |
   |---+------+---------+---------+---------+---------+---------|
   |   |  4   |  Open   |  Open   | Closed  |  Open   |  Open   |
   |---+------+---------+---------+---------+---------+---------|
   |   |  5   |  Open   |  Open   |  Open   | Closed  |  Open   |
   |---+------+---------+---------+---------+---------+---------|
   |   |  7   |  Open   |  Open   |  Open   |  Open   | Closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      I/O BASE ADDRESS                      |
   |------------------------------------------------------------|
   |   Address   |    W2A    |    W2B    |    W2C    |   W2D    |
   |-------------+-----------+-----------+-----------+----------|
   |   |  280h   |   Open    |  Closed   |  Closed   |   Open   |
   |---+---------+-----------+-----------+-----------+----------|
   |   |  2E0h   |  Closed   |  Closed   |   Open    |   Open   |
   |---+---------+-----------+-----------+-----------+----------|
   |>> |  300h   |  Closed   |   Open    |   Open    |   Open   |
   |---+---------+-----------+-----------+-----------+----------|
   |   |  320h   |   Open    |  Closed   |   Open    |   Open   |
   |---+---------+-----------+-----------+-----------+----------|
   |   |  340h   |   Open    |   Open    |  Closed   |   Open   |
   |---+---------+-----------+-----------+-----------+----------|
   |   |  360h   |   Open    |   Open    |   Open    |  Closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                          BOOT ROM                          |
   |------------------------------------------------------------|
   |             Setting             |            W4            |
   |---------------------------------+--------------------------|
   |>> |          Disabled           |           Open           |
   |---+-----------------------------+--------------------------|
   |   |           Enabled           |          Closed          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    BASE MEMORY ADDRESS                     |
   |------------------------------------------------------------|
   |    Address    |    W5A    |   W5B    |   W5C    |   W5D    |
   |---------------+-----------+----------+----------+----------|
   |>> |  C8000h   |  Closed   |  Closed  |   Open   |  Closed  |
   |---+-----------+-----------+----------+----------+----------|
   |   |  CC000h   |  Closed   |  Closed  |   Open   |   Open   |
   |---+-----------+-----------+----------+----------+----------|
   |   |  D0000h   |  Closed   |   Open   |  Closed  |  Closed  |
   |---+-----------+-----------+----------+----------+----------|
   |   |  D4000h   |  Closed   |   Open   |  Closed  |   Open   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                         CABLE TYPE                         |
   |------------------------------------------------------------|
   |                Type                |          W6           |
   |------------------------------------+-----------------------|
   |>> |    Unshielded twisted pair     |        Closed         |
   |---+--------------------------------+-----------------------|
   |   | AUI transceiver via DB-15 port |         Open          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     COMPATIBILITY MODE                     |
   |------------------------------------------------------------|
   |            Setting            |             W7             |
   |-------------------------------+----------------------------|
   |>>         |     Disabled      |     Pins 1 & 2 closed      |
   |-----------+-------------------+----------------------------|
   |           |      Enabled      |     Pins 2 & 3 closed      |
   |------------------------------------------------------------|
   | Note: On some systems the data bus timing is not truly IBM |
   | PC/AT compatible. If the card is not intitializing,        |
   | enabling the compatibility mode may allow the card to      |
   | function properly                                          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                FACTORY CONFIGURED SETTINGS                 |
   |------------------------------------------------------------|
   |            Jumper            |           Setting           |
   |------------------------------+-----------------------------|
   |             W3A              |            Open             |
   |------------------------------+-----------------------------|
   |             W3B              |           Closed            |
   |------------------------------+-----------------------------|
   |             W3C              |            Open             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DIAGNOSTIC LED(S)                      |
   |------------------------------------------------------------|
   | LED  | Color |  Status  |            Condition             |
   |------+-------+----------+----------------------------------|
   | LED1 | Green | Blinking |    Data is being transmitted     |
   |------+-------+----------+----------------------------------|
   | LED1 | Green |    On    |  Data is not being transmitted   |
   |------+-------+----------+----------------------------------|
   | LED1 | Green |   Off    |      Card is malfunctioning      |
   |------+-------+----------+----------------------------------|
   | LED2 |  Red  |    On    |       Card is transmitting       |
   |      |       |          |      continuously (Jabber)       |
   |------+-------+----------+----------------------------------|
   | LED2 |  Red  |   Off    |         Normal operation         |
   +------------------------------------------------------------+