RACAL INTERLAN, INC.
====================

   INTERLAN AT SERIES

   NIC Type         Ethernet                                      
   Transfer Rate    10Mbps                                        
   Data Bus         16-bit ISA                                    
   Topology         Linear bus                                    
   Wiring Type      Unshielded twisted pair                       
                                                                  
                    RG58A/U 50ohm coaxial                         
                                                                  
                    AUI tranceiver via DB-15                      
   Boot ROM         Available                                     

<gopher://bitreich.org/I/th99/n/P-R/40604-1.png>
   

   +------------------------------------------------------------+
   |                         CABLE TYPE                         |
   |------------------------------------------------------------|
   |                Type                |          NTS          |
   |------------------------------------+-----------------------|
   |   |    Unshielded twisted pair     |    Configuration 2    |
   |---+--------------------------------+-----------------------|
   |>> |     RG58A/U 50ohm coaxial      |    Configuration 1    |
   |---+--------------------------------+-----------------------|
   |   | AUI transceiver via DB-15 port |    Configuration 3    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      BASE I/O ADDRESS                      |
   |------------------------------------------------------------|
   |  Address   |   JP1A    |   JP1B    |   JP1C    |   JP1D    |
   |------------+-----------+-----------+-----------+-----------|
   |    300h    |  Closed   |   Open    |   Open    |   Open    |
   |------------+-----------+-----------+-----------+-----------|
   |    320h    |   Open    |  Closed   |   Open    |   Open    |
   |------------+-----------+-----------+-----------+-----------|
   |    340h    |   Open    |   Open    |  Closed   |   Open    |
   |------------+-----------+-----------+-----------+-----------|
   |    360h    |   Open    |   Open    |   Open    |  Closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     INTERRUPT SETTINGS                     |
   |------------------------------------------------------------|
   |   IRQ   |    JP2A    |    JP2B    |    JP2C    |   JP2D    |
   |---------+------------+------------+------------+-----------|
   |   2/9   |    Open    |   Closed   |    Open    |   Open    |
   |---------+------------+------------+------------+-----------|
   |    5    |   Closed   |    Open    |    Open    |   Open    |
   |---------+------------+------------+------------+-----------|
   |   12    |    Open    |    Open    |   Closed   |   Open    |
   |---------+------------+------------+------------+-----------|
   |   15    |    Open    |    Open    |    Open    |  Closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      BOOT ROM ADDRESS                      |
   |------------------------------------------------------------|
   |    Address    |  JP3A  |  JP3B  |  JP3C  |  JP3D  |  JP3E  |
   |---------------+--------+--------+--------+--------+--------|
   |   |  No Boot  | Closed |  Open  |  Open  |  Open  |  Open  |
   |   |    Rom    |        |        |        |        |        |
   |---+-----------+--------+--------+--------+--------+--------|
   |   |  C0000h   |  Open  | Closed |  Open  |  Open  |  Open  |
   |---+-----------+--------+--------+--------+--------+--------|
   |   |  C4000h   |  Open  |  Open  | Closed |  Open  |  Open  |
   |---+-----------+--------+--------+--------+--------+--------|
   |>> |  C8000h   |  Open  |  Open  |  Open  | Closed |  Open  |
   |---+-----------+--------+--------+--------+--------+--------|
   |   |  CC000h   |  Open  |  Open  |  Open  |  Open  | Closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    BASE MEMORY ADDRESS                     |
   |------------------------------------------------------------|
   |  Address   |   JP4A    |   JP4B    |   JP4C    |   JP4D    |
   |------------+-----------+-----------+-----------+-----------|
   |   D0000    |  Closed   |   Open    |   Open    |   Open    |
   |------------+-----------+-----------+-----------+-----------|
   |   D4000    |   Open    |  Closed   |   Open    |   Open    |
   |------------+-----------+-----------+-----------+-----------|
   |   D8000    |   Open    |   Open    |  Closed   |   Open    |
   |------------+-----------+-----------+-----------+-----------|
   |   DC000    |   Open    |   Open    |   Open    |  Closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                       LINK INTEGRITY                       |
   |------------------------------------------------------------|
   |              Function               |         LDJ          |
   |-------------------------------------+----------------------|
   |>>   |    Link intergity enabled     |  Pins 1 & 2 closed   |
   |-----+-------------------------------+----------------------|
   |     |    Link integrity disabled    |  Pins 2 & 3 closed   |
   |------------------------------------------------------------|
   | Note: If card is used in a pre-10BaseT cabling network,    |
   | disable the link integrity function.                       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  MAIN BOARD COMPATIBILITY                  |
   |------------------------------------------------------------|
   |             Setting              |    W14     |    W21     |
   |----------------------------------+------------+------------|
   |  NIC installed in a Compaq EISA  | Pins 1 & 2 | Pins 2 & 3 |
   |              system              |   closed   |   closed   |
   |----------------------------------+------------+------------|
   |  NIC installed in a true IBM XT  | Pins 2 & 3 | Pins 1 & 2 |
   |              system              |   closed   |   closed   |
   |----------------------------------+------------+------------|
   | NIC installed in any other 100%  | Pins 1 & 2 | Pins 1 & 2 |
   |      IBM compatible system       |   closed   |   closed   |
   +------------------------------------------------------------+