(TXT) View Source
       
       # RACAL INTERLAN, INC.
       
          NI5210-8K/NI5210-16K(REVISION BB)
       
          NIC Type         Ethernet                                      
          Transfer Rate    10Mbps                                        
          Data Bus         8-bit ISA                                     
          Topology         Linear bus                                    
          Wiring Type      RG58A/U 50ohm coaxial                         
                                                                         
                           AUI tranceiver via DB-15                      
          Boot ROM         Available                                     
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                         CABLE TYPE                         |
          |------------------------------------------------------------|
          |                Type                |          JP3          |
          |------------------------------------+-----------------------|
          | » |     RG58A/U 50ohm coaxial      |    Configuration 1    |
          |---+--------------------------------+-----------------------|
          |   | AUI transceiver via DB-15 port |    Configuration 2    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      BASE I/O ADDRESS                      |
          |------------------------------------------------------------|
          | Address | JP1/A  | JP1/B  | JP1/C  | JP1/D | JP1/E | JP1/F |
          |---------+--------+--------+--------+-------+-------+-------|
          |   200   | Pins 1 | Pins 1 | Pins 1 | Pins  | Pins  | Pins  |
          |         |  & 2   |  & 2   |  & 2   | 1 & 2 | 1 & 2 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   208   | Pins 1 | Pins 1 | Pins 1 | Pins  | Pins  | Pins  |
          |         |  & 2   |  & 2   |  & 2   | 1 & 2 | 1 & 2 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   210   | Pins 1 | Pins 1 | Pins 1 | Pins  | Pins  | Pins  |
          |         |  & 2   |  & 2   |  & 2   | 1 & 2 | 2 & 3 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   218   | Pins 1 | Pins 1 | Pins 1 | Pins  | Pins  | Pins  |
          |         |  & 2   |  & 2   |  & 2   | 1 & 2 | 2 & 3 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   220   | Pins 1 | Pins 1 | Pins 1 | Pins  | Pins  | Pins  |
          |         |  & 2   |  & 2   |  & 2   | 2 & 3 | 1 & 2 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   228   | Pins 1 | Pins 1 | Pins 1 | Pins  | Pins  | Pins  |
          |         |  & 2   |  & 2   |  & 2   | 2 & 3 | 1 & 2 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   230   | Pins 1 | Pins 1 | Pins 1 | Pins  | Pins  | Pins  |
          |         |  & 2   |  & 2   |  & 2   | 2 & 3 | 2 & 3 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   238   | Pins 1 | Pins 1 | Pins 1 | Pins  | Pins  | Pins  |
          |         |  & 2   |  & 2   |  & 2   | 2 & 3 | 2 & 3 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   240   | Pins 1 | Pins 1 | Pins 2 | Pins  | Pins  | Pins  |
          |         |  & 2   |  & 2   |  & 3   | 1 & 2 | 1 & 2 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   248   | Pins 1 | Pins 1 | Pins 2 | Pins  | Pins  | Pins  |
          |         |  & 2   |  & 2   |  & 3   | 1 & 2 | 1 & 2 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   250   | Pins 1 | Pins 1 | Pins 2 | Pins  | Pins  | Pins  |
          |         |  & 2   |  & 2   |  & 3   | 1 & 2 | 2 & 3 | 1 & 2 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                BASE I/O ADDRESS (CONTINUED)                |
          |------------------------------------------------------------|
          | Address | JP1/A  | JP1/B  | JP1/C  | JP1/D | JP1/E | JP1/F |
          |---------+--------+--------+--------+-------+-------+-------|
          |   258   | Pins 1 | Pins 1 | Pins 2 | Pins  | Pins  | Pins  |
          |         |  & 2   |  & 2   |  & 3   | 1 & 2 | 2 & 3 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   260   | Pins 1 | Pins 1 | Pins 2 | Pins  | Pins  | Pins  |
          |         |  & 2   |  & 2   |  & 3   | 2 & 3 | 1 & 2 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   268   | Pins 1 | Pins 1 | Pins 2 | Pins  | Pins  | Pins  |
          |         |  & 2   |  & 2   |  & 3   | 2 & 3 | 1 & 2 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   270   | Pins 1 | Pins 1 | Pins 2 | Pins  | Pins  | Pins  |
          |         |  & 2   |  & 2   |  & 3   | 2 & 3 | 2 & 3 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   278   | Pins 1 | Pins 1 | Pins 2 | Pins  | Pins  | Pins  |
          |         |  & 2   |  & 2   |  & 3   | 2 & 3 | 2 & 3 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   280   | Pins 1 | Pins 2 | Pins 1 | Pins  | Pins  | Pins  |
          |         |  & 2   |  & 3   |  & 2   | 1 & 2 | 1 & 2 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   288   | Pins 1 | Pins 2 | Pins 1 | Pins  | Pins  | Pins  |
          |         |  & 2   |  & 3   |  & 2   | 1 & 2 | 1 & 2 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   290   | Pins 1 | Pins 2 | Pins 1 | Pins  | Pins  | Pins  |
          |         |  & 2   |  & 3   |  & 2   | 1 & 2 | 2 & 3 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   298   | Pins 1 | Pins 2 | Pins 1 | Pins  | Pins  | Pins  |
          |         |  & 2   |  & 3   |  & 2   | 1 & 2 | 2 & 3 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   2A0   | Pins 1 | Pins 2 | Pins 1 | Pins  | Pins  | Pins  |
          |         |  & 2   |  & 3   |  & 2   | 2 & 3 | 1 & 2 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   2A8   | Pins 1 | Pins 2 | Pins 1 | Pins  | Pins  | Pins  |
          |         |  & 2   |  & 3   |  & 2   | 2 & 3 | 1 & 2 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   2B0   | Pins 1 | Pins 2 | Pins 1 | Pins  | Pins  | Pins  |
          |         |  & 2   |  & 3   |  & 2   | 2 & 3 | 2 & 3 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   2B8   | Pins 1 | Pins 2 | Pins 1 | Pins  | Pins  | Pins  |
          |         |  & 2   |  & 3   |  & 2   | 2 & 3 | 2 & 3 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   2CO   | Pins 1 | Pins 2 | Pins 2 | Pins  | Pins  | Pins  |
          |         |  & 2   |  & 3   |  & 3   | 1 & 2 | 1 & 2 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   2C8   | Pins 1 | Pins 2 | Pins 2 | Pins  | Pins  | Pins  |
          |         |  & 2   |  & 3   |  & 3   | 1 & 2 | 1 & 2 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   2D0   | Pins 1 | Pins 2 | Pins 2 | Pins  | Pins  | Pins  |
          |         |  & 2   |  & 3   |  & 3   | 1 & 2 | 2 & 3 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   2D8   | Pins 1 | Pins 2 | Pins 2 | Pins  | Pins  | Pins  |
          |         |  & 2   |  & 3   |  & 3   | 1 & 2 | 2 & 3 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   2E0   | Pins 1 | Pins 2 | Pins 2 | Pins  | Pins  | Pins  |
          |         |  & 2   |  & 3   |  & 3   | 2 & 3 | 1 & 2 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   2E8   | Pins 1 | Pins 2 | Pins 2 | Pins  | Pins  | Pins  |
          |         |  & 2   |  & 3   |  & 3   | 2 & 3 | 1 & 2 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   2F0   | Pins 1 | Pins 2 | Pins 2 | Pins  | Pins  | Pins  |
          |         |  & 2   |  & 3   |  & 3   | 2 & 3 | 2 & 3 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   2F8   | Pins 1 | Pins 2 | Pins 2 | Pins  | Pins  | Pins  |
          |         |  & 2   |  & 3   |  & 3   | 2 & 3 | 2 & 3 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   300   | Pins 2 | Pins 1 | Pins 1 | Pins  | Pins  | Pins  |
          |         |  & 3   |  & 2   |  & 2   | 1 & 2 | 1 & 2 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   308   | Pins 2 | Pins 1 | Pins 1 | Pins  | Pins  | Pins  |
          |         |  & 3   |  & 2   |  & 2   | 1 & 2 | 1 & 2 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   310   | Pins 2 | Pins 1 | Pins 1 | Pins  | Pins  | Pins  |
          |         |  & 3   |  & 2   |  & 2   | 1 & 2 | 2 & 3 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   318   | Pins 2 | Pins 1 | Pins 1 | Pins  | Pins  | Pins  |
          |         |  & 3   |  & 2   |  & 2   | 1 & 2 | 2 & 3 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   320   | Pins 2 | Pins 1 | Pins 1 | Pins  | Pins  | Pins  |
          |         |  & 3   |  & 2   |  & 2   | 2 & 3 | 1 & 2 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   328   | Pins 2 | Pins 1 | Pins 1 | Pins  | Pins  | Pins  |
          |         |  & 3   |  & 2   |  & 2   | 2 & 3 | 1 & 2 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   330   | Pins 2 | Pins 1 | Pins 1 | Pins  | Pins  | Pins  |
          |         |  & 3   |  & 2   |  & 2   | 2 & 3 | 2 & 3 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   338   | Pins 2 | Pins 1 | Pins 1 | Pins  | Pins  | Pins  |
          |         |  & 3   |  & 2   |  & 2   | 2 & 3 | 2 & 3 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   340   | Pins 2 | Pins 1 | Pins 2 | Pins  | Pins  | Pins  |
          |         |  & 3   |  & 2   |  & 3   | 1 & 2 | 1 & 2 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   348   | Pins 2 | Pins 1 | Pins 2 | Pins  | Pins  | Pins  |
          |         |  & 3   |  & 2   |  & 3   | 1 & 2 | 1 & 2 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   350   | Pins 2 | Pins 1 | Pins 2 | Pins  | Pins  | Pins  |
          |         |  & 3   |  & 2   |  & 3   | 1 & 2 | 2 & 3 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   358   | Pins 2 | Pins 1 | Pins 2 | Pins  | Pins  | Pins  |
          |         |  & 3   |  & 2   |  & 3   | 1 & 2 | 2 & 3 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   360   | Pins 2 | Pins 1 | Pins 2 | Pins  | Pins  | Pins  |
          |         |  & 3   |  & 2   |  & 3   | 2 & 3 | 1 & 2 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   368   | Pins 2 | Pins 1 | Pins 2 | Pins  | Pins  | Pins  |
          |         |  & 3   |  & 2   |  & 3   | 2 & 3 | 1 & 2 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   370   | Pins 2 | Pins 1 | Pins 2 | Pins  | Pins  | Pins  |
          |         |  & 3   |  & 2   |  & 3   | 2 & 3 | 2 & 3 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   378   | Pins 2 | Pins 1 | Pins 2 | Pins  | Pins  | Pins  |
          |         |  & 3   |  & 2   |  & 3   | 2 & 3 | 2 & 3 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   380   | Pins 2 | Pins 2 | Pins 1 | Pins  | Pins  | Pins  |
          |         |  & 3   |  & 3   |  & 2   | 1 & 2 | 1 & 2 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   388   | Pins 2 | Pins 2 | Pins 1 | Pins  | Pins  | Pins  |
          |         |  & 3   |  & 3   |  & 2   | 1 & 2 | 1 & 2 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   390   | Pins 2 | Pins 2 | Pins 1 | Pins  | Pins  | Pins  |
          |         |  & 3   |  & 3   |  & 2   | 1 & 2 | 2 & 3 | 1 & 2 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                BASE I/O ADDRESS (CONTINUED)                |
          |------------------------------------------------------------|
          | Address | JP1/A  | JP1/B  | JP1/C  | JP1/D | JP1/E | JP1/F |
          |---------+--------+--------+--------+-------+-------+-------|
          |   398   | Pins 2 | Pins 2 | Pins 1 | Pins  | Pins  | Pins  |
          |         |  & 3   |  & 3   |  & 2   | 1 & 2 | 2 & 3 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   3A0   | Pins 2 | Pins 2 | Pins 1 | Pins  | Pins  | Pins  |
          |         |  & 3   |  & 3   |  & 2   | 2 & 3 | 1 & 2 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   3A8   | Pins 2 | Pins 2 | Pins 1 | Pins  | Pins  | Pins  |
          |         |  & 3   |  & 3   |  & 2   | 2 & 3 | 1 & 2 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   3B0   | Pins 2 | Pins 2 | Pins 1 | Pins  | Pins  | Pins  |
          |         |  & 3   |  & 3   |  & 2   | 2 & 3 | 2 & 3 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   3B8   | Pins 2 | Pins 2 | Pins 1 | Pins  | Pins  | Pins  |
          |         |  & 3   |  & 3   |  & 2   | 2 & 3 | 2 & 3 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   3C0   | Pins 2 | Pins 2 | Pins 2 | Pins  | Pins  | Pins  |
          |         |  & 3   |  & 3   |  & 3   | 1 & 2 | 1 & 2 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   3C8   | Pins 2 | Pins 2 | Pins 2 | Pins  | Pins  | Pins  |
          |         |  & 3   |  & 3   |  & 3   | 1 & 2 | 1 & 2 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   3D0   | Pins 2 | Pins 2 | Pins 2 | Pins  | Pins  | Pins  |
          |         |  & 3   |  & 3   |  & 3   | 1 & 2 | 2 & 3 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   3D8   | Pins 2 | Pins 2 | Pins 2 | Pins  | Pins  | Pins  |
          |         |  & 3   |  & 3   |  & 3   | 1 & 2 | 2 & 3 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   3E0   | Pins 2 | Pins 2 | Pins 2 | Pins  | Pins  | Pins  |
          |         |  & 3   |  & 3   |  & 3   | 2 & 3 | 1 & 2 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   3E8   | Pins 2 | Pins 2 | Pins 2 | Pins  | Pins  | Pins  |
          |         |  & 3   |  & 3   |  & 3   | 2 & 3 | 1 & 2 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   3F0   | Pins 2 | Pins 2 | Pins 2 | Pins  | Pins  | Pins  |
          |         |  & 3   |  & 3   |  & 3   | 2 & 3 | 2 & 3 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |   3F8   | Pins 2 | Pins 2 | Pins 2 | Pins  | Pins  | Pins  |
          |         |  & 3   |  & 3   |  & 3   | 2 & 3 | 2 & 3 | 2 & 3 |
          |------------------------------------------------------------|
          | Note:Pins designated should be in the closed position.     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      BOOT ROM ADDRESS                      |
          |------------------------------------------------------------|
          |  Address   |   JP1/G   |   JP1/H   |   JP1/I   |   JP1/J   |
          |------------+-----------+-----------+-----------+-----------|
          | » | C8000h | Pins 1 &  | Pins 1 &  | Pins 2 &  | Pins 1 &  |
          |   |        | 2 closed  | 2 closed  | 3 closed  | 2 closed  |
          |---+--------+-----------+-----------+-----------+-----------|
          |   | C0000h | Pins 1 &  | Pins 1 &  | Pins 1 &  | Pins 1 &  |
          |   |        | 2 closed  | 2 closed  | 2 closed  | 2 closed  |
          |---+--------+-----------+-----------+-----------+-----------|
          |   | C4000h | Pins 1 &  | Pins 1 &  | Pins 1 &  | Pins 2 &  |
          |   |        | 2 closed  | 2 closed  | 2 closed  | 3 closed  |
          |---+--------+-----------+-----------+-----------+-----------|
          |   | CC000h | Pins 1 &  | Pins 1 &  | Pins 2 &  | Pins 2 &  |
          |   |        | 2 closed  | 2 closed  | 3 closed  | 3 closed  |
          |---+--------+-----------+-----------+-----------+-----------|
          |   | D0000h | Pins 1 &  | Pins 2 &  | Pins 1 &  | Pins 1 &  |
          |   |        | 2 closed  | 3 closed  | 2 closed  | 2 closed  |
          |---+--------+-----------+-----------+-----------+-----------|
          |   | D4000h | Pins 1 &  | Pins 2 &  | Pins 1 &  | Pins 2 &  |
          |   |        | 2 closed  | 3 closed  | 2 closed  | 3 closed  |
          |---+--------+-----------+-----------+-----------+-----------|
          |   | D8000h | Pins 1 &  | Pins 2 &  | Pins 2 &  | Pins 1 &  |
          |   |        | 2 closed  | 3 closed  | 3 closed  | 2 closed  |
          |---+--------+-----------+-----------+-----------+-----------|
          |   | DC000h | Pins 1 &  | Pins 2 &  | Pins 2 &  | Pins 2 &  |
          |   |        | 2 closed  | 3 closed  | 3 closed  | 3 closed  |
          |---+--------+-----------+-----------+-----------+-----------|
          |   | E0000h | Pins 2 &  | Pins 1 &  | Pins 1 &  | Pins 1 &  |
          |   |        | 3 closed  | 2 closed  | 2 closed  | 2 closed  |
          |---+--------+-----------+-----------+-----------+-----------|
          |   | E4000h | Pins 2 &  | Pins 1 &  | Pins 1 &  | Pins 2 &  |
          |   |        | 3 closed  | 2 closed  | 2 closed  | 3 closed  |
          |---+--------+-----------+-----------+-----------+-----------|
          |   | E8000h | Pins 2 &  | Pins 1 &  | Pins 2 &  | Pins 1 &  |
          |   |        | 3 closed  | 2 closed  | 3 closed  | 2 closed  |
          |---+--------+-----------+-----------+-----------+-----------|
          |   | EC000h | Pins 2 &  | Pins 1 &  | Pins 2 &  | Pins 2 &  |
          |   |        | 3 closed  | 2 closed  | 3 closed  | 3 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     INTERRUPT SETTINGS                     |
          |------------------------------------------------------------|
          | IRQ  | JP2/A  | JP2/B  | JP2/C  | JP2/D  | JP2/E  | JP2/F  |
          |------+--------+--------+--------+--------+--------+--------|
          |»| 7  |  Open  |  Open  |  Open  |  Open  |  Open  | Closed |
          |-+----+--------+--------+--------+--------+--------+--------|
          | | 2  | Closed |  Open  |  Open  |  Open  |  Open  |  Open  |
          |-+----+--------+--------+--------+--------+--------+--------|
          | | 3  |  Open  | Closed |  Open  |  Open  |  Open  |  Open  |
          |-+----+--------+--------+--------+--------+--------+--------|
          | | 4  |  Open  |  Open  | Closed |  Open  |  Open  |  Open  |
          |-+----+--------+--------+--------+--------+--------+--------|
          | | 5  |  Open  |  Open  |  Open  | Closed |  Open  |  Open  |
          |-+----+--------+--------+--------+--------+--------+--------|
          | | 6  |  Open  |  Open  |  Open  |  Open  | Closed |  Open  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  IBM PC/XT COMPATIBILITY                   |
          |------------------------------------------------------------|
          |                  Setting                   |      W27      |
          |--------------------------------------------+---------------|
          |     NIC installed in main board slot 8     |    Closed     |
          |--------------------------------------------+---------------|
          |    NIC installed in main board slot 1-7    |     Open      |
          |------------------------------------------------------------|
          | Note:This jumper only applies when the NIC is installed in |
          | an IBM PC/XT.                                              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             ONBOARD RAM/BOOT ROM CONFIGURATION             |
          |------------------------------------------------------------|
          |             Function             |   JP1/K    |   JP1/L    |
          |----------------------------------+------------+------------|
          | 8KB of RAM installed (NI5120-8K) | Pins 2 & 3 |    N/A     |
          |                                  |   closed   |            |
          |----------------------------------+------------+------------|
          |      16KB of RAM installed       | Pins 1 & 2 | Pins 1 & 2 |
          |           (NI5120-16K)           |   closed   |   closed   |
          |----------------------------------+------------+------------|
          |        Boot ROM installed        | Pins 1 & 2 | Pins 2 & 3 |
          |                                  |   closed   |   closed   |
          +------------------------------------------------------------+