AQUILA COMMUNICATIONS
=====================

   AQ-PCA 108/AQ-PCA 208/AQ-PCA 308

   NIC Type:           ARCnet                                     
   Transfer Rate:      2.5Mbps                                    
   Data Bus:           8-bit ISA                                  
   Topology:           Linear Bus (AQ-PCA-208/308)                
                                                                  
                       Star (AQ PCA-108/308)                      
   Wiring Type         AUI tranceiver via DB-15 port              
                                                                  
                       RG-62A/U 93ohm coaxial (AQ-PCA-208)        
                                                                  
                       Shielded/Unshielded twisted pair           
   Boot ROM            Available                                  

<gopher://bitreich.org/I/th99/n/A-B/40803-1.png>
   

   +------------------------------------------------------------+
   |                          BOOT ROM                          |
   |------------------------------------------------------------|
   |            Setting            |            JP1             |
   |-------------------------------+----------------------------|
   |            Enabled            |           Closed           |
   |-------------------------------+----------------------------|
   |           Disabled            |            Open            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   INTERRUPT SELECT - JP2                   |
   |------------------------------------------------------------|
   |   IRQ    | Jumper  | Jumper  | Jumper  | Jumper  | Jumper  |
   |          |    A    |    B    |    C    |    D    |    E    |
   |----------+---------+---------+---------+---------+---------|
   |>> | IRQ2 | Closed  |  Open   |  Open   |  Open   |  Open   |
   |---+------+---------+---------+---------+---------+---------|
   |   | IRQ3 |  Open   | Closed  |  Open   |  Open   |  Open   |
   |---+------+---------+---------+---------+---------+---------|
   |   | IRQ4 |  Open   |  Open   | Closed  |  Open   |  Open   |
   |---+------+---------+---------+---------+---------+---------|
   |   | IRQ5 |  Open   |  Open   |  Open   | Closed  |  Open   |
   |---+------+---------+---------+---------+---------+---------|
   |   | IRQ7 |  Open   |  Open   |  Open   |  Open   | Closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     EXTENDED TIME-OUT                      |
   |------------------------------------------------------------|
   |          Setting           |      E1       |      E2       |
   |----------------------------+---------------+---------------|
   |>>         |      78us      |     Open      |     Open      |
   |-----------+----------------+---------------+---------------|
   |           |     285us      |     Open      |    Closed     |
   |-----------+----------------+---------------+---------------|
   |           |     563us      |    Closed     |     Open      |
   |-----------+----------------+---------------+---------------|
   |           |     1130us     |    Closed     |    Closed     |
   |------------------------------------------------------------|
   | Note:All nodes in the network must have identical time-out |
   | settings.                                                  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                       NODE ID NUMBER                       |
   |------------------------------------------------------------|
   | ID #  |SW1/1 |SW1/2 |SW1/3 |SW1/4 |SW1/5 |SW1/6|SW1/7|SW1/8|
   |-------+------+------+------+------+------+-----+-----+-----|
   |>> |255 |  On  |  On  |  On  |  On  |  On  | On  | On  | On  |
   |--+----+------+------+------+------+------+-----+-----+-----|
   |  | 1  | Off  | Off  | Off  | Off  | Off  | Off | Off | On  |
   |------------------------------------------------------------|
   |Note:Nodes can be numbered from 1 to 255. The switches are a|
   |binary representation of the node numbers. When a switch is |
   |on, the corresponding bit is set to 1 and has the following |
   |decimal value: SW1/1=128, SW1/2=64, SW1/3=32, SW1/4=16,     |
   |SW1/5=8, SW1/6=4, SW1/7=2, SW1/8=1.                         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                       MEMORY ADDRESS                       |
   |------------------------------------------------------------|
   | RAM Address |ROM Address|SW2/1 |SW2/2 |SW2/3 |SW2/4 |SW2/5 |
   |-------------+-----------+------+------+------+------+------|
   |>>  | D0000h  |  D2000h   |  On  | Off  | Off  |  On  |  On  |
   |---+---------+-----------+------+------+------+------+------|
   |   | D0800h  |  D2000h   |  On  | Off  | Off  |  On  | Off  |
   |---+---------+-----------+------+------+------+------+------|
   |   | C0000h  |  C2000h   |  On  |  On  |  On  |  On  |  On  |
   |---+---------+-----------+------+------+------+------+------|
   |   | C0800h  |  C2000h   |  On  |  On  |  On  |  On  | Off  |
   |---+---------+-----------+------+------+------+------+------|
   |   | C1000h  |  C2000h   |  On  |  On  |  On  | Off  |  On  |
   |---+---------+-----------+------+------+------+------+------|
   |   | C1800h  |  C2000h   |  On  |  On  |  On  | Off  | Off  |
   |---+---------+-----------+------+------+------+------+------|
   |   | C4000h  |  C6000h   |  On  |  On  | Off  |  On  |  On  |
   |---+---------+-----------+------+------+------+------+------|
   |   | C4800h  |  C6000h   |  On  |  On  | Off  |  On  | Off  |
   |---+---------+-----------+------+------+------+------+------|
   |   | C5000h  |  C6000h   |  On  |  On  | Off  | Off  |  On  |
   |---+---------+-----------+------+------+------+------+------|
   |   | C5800h  |  C6000h   |  On  |  On  | Off  | Off  | Off  |
   |---+---------+-----------+------+------+------+------+------|
   |   | CC000h  |  CE000h   |  On  | Off  |  On  |  On  |  On  |
   |---+---------+-----------+------+------+------+------+------|
   |   | CC800h  |  CE000h   |  On  | Off  |  On  |  On  | Off  |
   |---+---------+-----------+------+------+------+------+------|
   |   | CD000h  |  CE000h   |  On  | Off  |  On  | Off  |  On  |
   |---+---------+-----------+------+------+------+------+------|
   |   | CD800h  |  CE000h   |  On  | Off  |  On  | Off  | Off  |
   |---+---------+-----------+------+------+------+------+------|
   |   | D1000h  |  D2000h   |  On  | Off  | Off  | Off  |  On  |
   |---+---------+-----------+------+------+------+------+------|
   |   | D1800h  |  D2000h   |  On  | Off  | Off  | Off  | Off  |
   |---+---------+-----------+------+------+------+------+------|
   |   | D4000h  |  D6000h   | Off  |  On  |  On  |  On  |  On  |
   |---+---------+-----------+------+------+------+------+------|
   |   | D4800h  |  D6000h   | Off  |  On  |  On  |  On  | Off  |
   |---+---------+-----------+------+------+------+------+------|
   |   | D5000h  |  D6000h   | Off  |  On  |  On  | Off  |  On  |
   |---+---------+-----------+------+------+------+------+------|
   |   | D5800h  |  D6000h   | Off  |  On  |  On  | Off  | Off  |
   |---+---------+-----------+------+------+------+------+------|
   |   | D8000h  |  DA000h   | Off  |  On  | Off  |  On  |  On  |
   |---+---------+-----------+------+------+------+------+------|
   |   | D8800h  |  DA000h   | Off  |  On  | Off  |  On  | Off  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                       MEMORY ADDRESS                       |
   |------------------------------------------------------------|
   |   RAM    |   ROM   | SW2/1 | SW2/2 | SW2/3 | SW2/4 | SW2/5 |
   | Address  | Address |       |       |       |       |       |
   |----------+---------+-------+-------+-------+-------+-------|
   |  D9000h  | DA000h  |  Off  |  On   |  Off  |  Off  |  On   |
   |----------+---------+-------+-------+-------+-------+-------|
   |  D9800h  | DA000h  |  Off  |  On   |  Off  |  Off  |  Off  |
   |----------+---------+-------+-------+-------+-------+-------|
   |  DC000h  | DE000h  |  Off  |  Off  |  On   |  On   |  On   |
   |----------+---------+-------+-------+-------+-------+-------|
   |  DC800h  | DE000h  |  Off  |  Off  |  On   |  On   |  Off  |
   |----------+---------+-------+-------+-------+-------+-------|
   |  DD000h  | DE000h  |  Off  |  Off  |  On   |  Off  |  On   |
   |----------+---------+-------+-------+-------+-------+-------|
   |  DD800h  | DE000h  |  Off  |  Off  |  On   |  Off  |  Off  |
   |----------+---------+-------+-------+-------+-------+-------|
   |  E0000h  | E2000h  |  Off  |  Off  |  Off  |  On   |  On   |
   |----------+---------+-------+-------+-------+-------+-------|
   |  E0800h  | E2000h  |  Off  |  Off  |  Off  |  On   |  Off  |
   |----------+---------+-------+-------+-------+-------+-------|
   |  E1000h  | E2000h  |  Off  |  Off  |  Off  |  Off  |  On   |
   |----------+---------+-------+-------+-------+-------+-------|
   |  E1800h  | E2000h  |  Off  |  Off  |  Off  |  Off  |  Off  |
   |------------------------------------------------------------|
   | Note:ROM address locations are only valid if JP1 is closed |
   | (Boot ROM enabled).                                        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        I/O ADDRESS                         |
   |------------------------------------------------------------|
   |     Address     |    SW2/6     |    SW2/7    |    SW2/8    |
   |-----------------+--------------+-------------+-------------|
   |>> |    2E0h     |      On      |     Off     |     On      |
   |---+-------------+--------------+-------------+-------------|
   |   |    260h     |      On      |     On      |     On      |
   |---+-------------+--------------+-------------+-------------|
   |   |    290h     |      On      |     On      |     Off     |
   |---+-------------+--------------+-------------+-------------|
   |   |    2F0h     |      On      |     Off     |     Off     |
   |---+-------------+--------------+-------------+-------------|
   |   |    300h     |     Off      |     On      |     On      |
   |---+-------------+--------------+-------------+-------------|
   |   |    350h     |     Off      |     On      |     Off     |
   |---+-------------+--------------+-------------+-------------|
   |   |    380h     |     Off      |     Off     |     On      |
   |---+-------------+--------------+-------------+-------------|
   |   |    3E0h     |     Off      |     Off     |     Off     |
   +------------------------------------------------------------+