MICRODYNE CORPORATION
=====================

   NTR2000

   NIC Type         Token Ring                                    
   Transfer Rate    4/16Mbps                                      
   Data Bus         16-bit ISA                                    
   Topology         Ring                                          
   Wiring Type      AUI Transceiver via DB-15 port                
   Boot ROM         Available                                     

<gopher://bitreich.org/I/th99/n/M-O/40887-1.png>
   

   +------------------------------------------------------------+
   |                    INTERRUPT SELECTION                     |
   |------------------------------------------------------------|
   |        IRQ        |         W7         |        W8         |
   |-------------------+--------------------+-------------------|
   |>> |       2       |        Open        |       Open        |
   |---+---------------+--------------------+-------------------|
   |   |       3       |        Open        |      Closed       |
   |---+---------------+--------------------+-------------------|
   |   |       6       |       Closed       |       Open        |
   |---+---------------+--------------------+-------------------|
   |   |       7       |       Closed       |      Closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  NETWORK SPEED SELECTION                   |
   |------------------------------------------------------------|
   |              Speed              |           W11            |
   |---------------------------------+--------------------------|
   |>>   |           4Mbps           |           Open           |
   |-----+---------------------------+--------------------------|
   |     |          16Mbps           |          Closed          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      SHARED RAM SIZE                       |
   |------------------------------------------------------------|
   |       Size       |         W9         |        W10         |
   |------------------+--------------------+--------------------|
   |       8Kb        |        Open        |        Open        |
   |------------------+--------------------+--------------------|
   |       16Kb       |        Open        |       Closed       |
   |------------------+--------------------+--------------------|
   |       32Kb       |       Closed       |        Open        |
   |------------------+--------------------+--------------------|
   |       64Kb       |       Closed       |       Closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        ROM ADDRESS                         |
   |------------------------------------------------------------|
   | Address |   W1   |  W2  |   W3   |   W4   |   W5   |  W6   |
   |---------+--------+------+--------+--------+--------+-------|
   |>>| CC00h | Closed | Open |  Open  | Closed | Closed | Open  |
   |-+-------+--------+------+--------+--------+--------+-------|
   | | C000h | Closed | Open |  Open  |  Open  |  Open  | Open  |
   |-+-------+--------+------+--------+--------+--------+-------|
   | | C200h | Closed | Open |  Open  |  Open  |  Open  |Closed |
   |-+-------+--------+------+--------+--------+--------+-------|
   | | C400h | Closed | Open |  Open  |  Open  | Closed | Open  |
   |-+-------+--------+------+--------+--------+--------+-------|
   | | C600h | Closed | Open |  Open  |  Open  | Closed |Closed |
   |-+-------+--------+------+--------+--------+--------+-------|
   | | C800h | Closed | Open |  Open  | Closed |  Open  | Open  |
   |-+-------+--------+------+--------+--------+--------+-------|
   | | CA00h | Closed | Open |  Open  | Closed |  Open  |Closed |
   |-+-------+--------+------+--------+--------+--------+-------|
   | | CE00h | Closed | Open |  Open  | Closed | Closed |Closed |
   |-+-------+--------+------+--------+--------+--------+-------|
   | | D000h | Closed | Open | Closed |  Open  |  Open  | Open  |
   |-+-------+--------+------+--------+--------+--------+-------|
   | | DC00h | Closed | Open | Closed | Closed | Closed | Open  |
   |------------------------------------------------------------|
   |Note: Address DC00h is manufacturer's suggested alternate   |
   |default setting                                             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                          ADAPTER                           |
   |------------------------------------------------------------|
   |    Selection    | Port Address/Shared Memory |     W12     |
   |-----------------+----------------------------+-------------|
   |     Primary     |       00A20h/D8000h        |    Open     |
   |-----------------+----------------------------+-------------|
   |    Alternate    |       00A24h/D4000h        |   Closed    |
   +------------------------------------------------------------+