COMPULAN TECHNOLOGY, INC.
=========================

   160ST VER. 2

   NIC Type         ARCnet                                        
   Transfer Rate    2.5Mbps                                       
   Data Bus         16-bit ISA                                    
   Topology         Linear bus                                    
                                                                  
                    Star                                          
   Wiring Type      RG62A/U 93ohm coaxial                         
                                                                  
                    Twisted Pair                                  
   Boot ROM         Available                                     

<gopher://bitreich.org/I/th99/n/C-D/40839-1.png>
   

   +------------------------------------------------------------+
   |                      BASE I/O ADDRESS                      |
   |------------------------------------------------------------|
   |      Address      |    SW1/1    |    SW1/2    |   SW1/3    |
   |-------------------+-------------+-------------+------------|
   |>> |   2E0-2EFh    |     On      |     Off     |     On     |
   |---+---------------+-------------+-------------+------------|
   |   |   260-26Fh    |     On      |     On      |     On     |
   |---+---------------+-------------+-------------+------------|
   |   |   290-29Fh    |     Off     |     On      |     On     |
   |---+---------------+-------------+-------------+------------|
   |   |   2F0-2FFh    |     Off     |     Off     |     On     |
   |---+---------------+-------------+-------------+------------|
   |   |   300-30Fh    |     On      |     On      |    Off     |
   |---+---------------+-------------+-------------+------------|
   |   |   350-35Fh    |     Off     |     On      |    Off     |
   |---+---------------+-------------+-------------+------------|
   |   |   380-38Fh    |     On      |     Off     |    Off     |
   |---+---------------+-------------+-------------+------------|
   |   |   3E0-3EFh    |     Off     |     Off     |    Off     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 BASE MEMORY ADDRESS SELECT                 |
   |------------------------------------------------------------|
   |  RAM Address  | ROM Address  |SW1/4|SW1/5|SW1/6|SW1/7|SW1/8|
   |---------------+--------------+-----+-----+-----+-----+-----|
   |>> |  D0000 -   |D2000 - D3FFFh| On  | On  | Off | Off | On  |
   |  |   D07FFh   |              |     |     |     |     |     |
   |--+------------+--------------+-----+-----+-----+-----+-----|
   |  |  C0000 -   |C2000 - C3FFFh| On  | On  | On  | On  | On  |
   |  |   C07FFh   |              |     |     |     |     |     |
   |--+------------+--------------+-----+-----+-----+-----+-----|
   |  |  C4000 -   |C6000 - C7FFFh| On  | On  | Off | On  | On  |
   |  |   C47FFh   |              |     |     |     |     |     |
   |--+------------+--------------+-----+-----+-----+-----+-----|
   |  |  CC000 -   |CE000 - CFFFFh| On  | On  | On  | Off | On  |
   |  |   CC7FFh   |              |     |     |     |     |     |
   |--+------------+--------------+-----+-----+-----+-----+-----|
   |  |  D4000 -   |D6000 - D7FFFh| On  | On  | On  | On  | Off |
   |  |   D47FFh   |              |     |     |     |     |     |
   |--+------------+--------------+-----+-----+-----+-----+-----|
   |  |  C8000 -   |DA000 - DBFFFh| On  | On  | Off | On  | Off |
   |  |   C87FFh   |              |     |     |     |     |     |
   |--+------------+--------------+-----+-----+-----+-----+-----|
   |  |  DC000 -   |DE000 - DFFFFh| On  | On  | On  | Off | Off |
   |  |   DC7FFh   |              |     |     |     |     |     |
   |--+------------+--------------+-----+-----+-----+-----+-----|
   |  |  E0000 -   |E2000 - E3FFFh| On  | On  | Off | Off | Off |
   |  |   E07FFh   |              |     |     |     |     |     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                       NODE ID SELECT                       |
   |------------------------------------------------------------|
   |Node |SW2/1 |SW2/2 |SW2/3 |SW2/4 |SW2/5 |SW2/6 |SW2/7 |SW2/8|
   |-----+------+------+------+------+------+------+------+-----|
   | ID0 |  On  | Off  | Off  | Off  | Off  | Off  | Off  | Off |
   |-----+------+------+------+------+------+------+------+-----|
   | ID1 | Off  |  On  | Off  | Off  | Off  | Off  | Off  | Off |
   |-----+------+------+------+------+------+------+------+-----|
   | ID2 | Off  | Off  |  On  | Off  | Off  | Off  | Off  | Off |
   |-----+------+------+------+------+------+------+------+-----|
   | ID3 | Off  | Off  | Off  |  On  | Off  | Off  | Off  | Off |
   |-----+------+------+------+------+------+------+------+-----|
   | ID4 | Off  | Off  | Off  | Off  |  On  | Off  | Off  | Off |
   |-----+------+------+------+------+------+------+------+-----|
   | ID5 | Off  | Off  | Off  | Off  | Off  |  On  | Off  | Off |
   |-----+------+------+------+------+------+------+------+-----|
   | ID6 | Off  | Off  | Off  | Off  | Off  | Off  |  On  | Off |
   |-----+------+------+------+------+------+------+------+-----|
   | ID7 | Off  | Off  | Off  | Off  | Off  | Off  | Off  | On  |
   +------------------------------------------------------------+

+-----------------------------------------------------------------------------+
|                              INTERRUPT SELECT                               |
|-----------------------------------------------------------------------------|
|  IRQ  |JP1/A |JP1/B |JP1/C |JP1/D |JP1/E |JP1/F |JP1/G |JP1/H |JP1/I |JP1/J |
|-------+------+------+------+------+------+------+------+------+------+------|
|>>|IRQ2 |Closed| Open | Open | Open | Open | Open | Open | Open | Open | Open |
|-+-----+------+------+------+------+------+------+------+------+------+------|
| |IRQ3 | Open |Closed| Open | Open | Open | Open | Open | Open | Open | Open |
|-+-----+------+------+------+------+------+------+------+------+------+------|
| |IRQ4 | Open | Open |Closed| Open | Open | Open | Open | Open | Open | Open |
|-+-----+------+------+------+------+------+------+------+------+------+------|
| |IRQ5 | Open | Open | Open |Closed| Open | Open | Open | Open | Open | Open |
|-+-----+------+------+------+------+------+------+------+------+------+------|
| |IRQ7 | Open | Open | Open | Open |Closed| Open | Open | Open | Open | Open |
|-+-----+------+------+------+------+------+------+------+------+------+------|
| |IRQ10| Open | Open | Open | Open | Open |Closed| Open | Open | Open | Open |
|-+-----+------+------+------+------+------+------+------+------+------+------|
| |IRQ11| Open | Open | Open | Open | Open | Open |Closed| Open | Open | Open |
|-+-----+------+------+------+------+------+------+------+------+------+------|
| |IRQ12| Open | Open | Open | Open | Open | Open | Open |Closed| Open | Open |
|-+-----+------+------+------+------+------+------+------+------+------+------|
| |IRQ15| Open | Open | Open | Open | Open | Open | Open | Open |Closed| Open |
|-+-----+------+------+------+------+------+------+------+------+------+------|
| |IRQ14| Open | Open | Open | Open | Open | Open | Open | Open | Open |Closed|
+-----------------------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     CABLE TYPE SELECT                      |
   |------------------------------------------------------------|
   |       Type       |       JP12/A       |       JP12/B       |
   |------------------+--------------------+--------------------|
   |   Twisted pair   | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
   |------------------+--------------------+--------------------|
   |  Standard coax   | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    INTERNAL TERMINATOR                     |
   |------------------------------------------------------------|
   |          Setting           |             JP13              |
   |----------------------------+-------------------------------|
   |          Disabled          |       Pins 2 & 3 closed       |
   |----------------------------+-------------------------------|
   |          Enabled           |       Pins 1 & 2 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |     MISCELLANEOUS TECHNICAL NOTE - BOOT ROM SUPPORTED      |
   |------------------------------------------------------------|
   |       IRQ       |  I/O Base Address  | Memory Base Address |
   |-----------------+--------------------+---------------------|
   |>> |    IRQ2     |        2E0h        |       D0000h        |
   |---+-------------+--------------------+---------------------|
   |   |    IRQ3     |        260h        |       D8000h        |
   |---+-------------+--------------------+---------------------|
   |   |    IRQ4     |        290h        |       D4000h        |
   |---+-------------+--------------------+---------------------|
   |   |    IRQ5     |        350h        |       DC000h        |
   |---+-------------+--------------------+---------------------|
   |   |    IRQ15    |        300h        |       D8000h        |
   |---+-------------+--------------------+---------------------|
   |   |    IRQ10    |        380h        |       C0000h        |
   |---+-------------+--------------------+---------------------|
   |   |    IRQ11    |        380h        |       CC000h        |
   |---+-------------+--------------------+---------------------|
   |   |    IRQ12    |        3E0h        |       D0000h        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        BIOS SELECT                         |
   |------------------------------------------------------------|
   |          Setting           |             JP11              |
   |----------------------------+-------------------------------|
   |>> |        Disabled        |       Pins 2 & 3 closed       |
   |---+------------------------+-------------------------------|
   |   |        Enabled         |       Pins 1 & 2 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      DIAGNOSTIC LEDS                       |
   |------------------------------------------------------------|
   |  LED  | Color  | Status |            Condition             |
   |-------+--------+--------+----------------------------------|
   | LED/A | Green  |   On   |    Network connection is good    |
   |-------+--------+--------+----------------------------------|
   | LED/A | Green  |  Off   |   Network connection is broken   |
   |-------+--------+--------+----------------------------------|
   | LED/B | Yellow |   On   |          Data is being           |
   |       |        |        |       transmitted/received       |
   |-------+--------+--------+----------------------------------|
   | LED/B | Yellow |  Off   |        Data is not being         |
   |       |        |        |       transmitted/received       |
   +------------------------------------------------------------+