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# TIARA COMPUTER SYSTEMS, INC.
ARCNET LanCard PC
NIC Type ARCnet
Transfer Rate 2.5Mbps
Data Bus 8-bit ISA
Topology Star
Wiring Type RG-62A/U 93ohm coaxial
Boot ROM Available
(IMG) IMG 1
+------------------------------------------------------------+
| NODE ADDRESS |
|------------------------------------------------------------|
|Node |SW1/1 |SW1/2 |SW1/3 |SW1/4 |SW1/5 |SW1/6 |SW1/7 |SW1/8|
|-----+------+------+------+------+------+------+------+-----|
| 0 | - | - | - | - | - | - | - | - |
|-----+------+------+------+------+------+------+------+-----|
| 1 | On | Off | Off | Off | Off | Off | Off | Off |
|-----+------+------+------+------+------+------+------+-----|
| 2 | Off | Off | Off | Off | Off | Off | On | Off |
|-----+------+------+------+------+------+------+------+-----|
| 3 | Off | Off | Off | Off | Off | Off | On | On |
|-----+------+------+------+------+------+------+------+-----|
| 4 | Off | Off | Off | Off | Off | On | Off | Off |
|-----+------+------+------+------+------+------+------+-----|
| 251 | On | On | On | On | On | Off | On | On |
|-----+------+------+------+------+------+------+------+-----|
| 252 | On | On | On | On | On | On | Off | Off |
|-----+------+------+------+------+------+------+------+-----|
| 253 | On | On | On | On | On | On | Off | On |
|-----+------+------+------+------+------+------+------+-----|
| 254 | On | On | On | On | On | On | On | Off |
|-----+------+------+------+------+------+------+------+-----|
| 255 | On | On | On | On | On | On | On | On |
|------------------------------------------------------------|
|Note:Node address 0 is used for messaging between nodes and |
|must not be used. |
| |
| A total of 255 node address settings are available. The |
| switches are a binary representation of the decimal node |
| addresses. Switch 1 is the Least Significant Bit and |
| switch 8 is the Most Significant Bit. The switches have |
| the following decimal values: switch 1=1, 2=2, 3=4, 4=8, |
| 5=16, 6=32, 7=64, 8=128. Turn on the switches and add the |
| values of the on switches to obtain the correct node |
| address. (On=1, off=0) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT ROM |
|------------------------------------------------------------|
| Setting | JP7 |
|---------------------------------+--------------------------|
| » | Disabled | Open |
|---+-----------------------------+--------------------------|
| | Enabled | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT REQUEST |
|------------------------------------------------------------|
| IRQ | JP1 | JP2 | JP3 | JP4 | JP5 | JP6 |
|------+--------+--------+--------+--------+--------+--------|
|»| 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 |
|-+----+--------+--------+--------+--------+--------+--------|
| | 7 | Open | Open | Open | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RIM BUFFER ADDRESS CONFIGURATION |
|------------------------------------------------------------|
| Buffer Address | JP8 | JP9 | JP10 |
|---------------------+------------+------------+------------|
| | C0000h | Closed | Closed | Closed |
|-----+---------------+------------+------------+------------|
| | C4000h | Open | Closed | Closed |
|-----+---------------+------------+------------+------------|
| | CC000h | Closed | Open | Closed |
|-----+---------------+------------+------------+------------|
| » | D0000h | Open | Open | Closed |
|-----+---------------+------------+------------+------------|
| | D4000h | Closed | Closed | Open |
|-----+---------------+------------+------------+------------|
| | D8000h | Open | Closed | Open |
|-----+---------------+------------+------------+------------|
| | DC000h | Closed | Open | Open |
|-----+---------------+------------+------------+------------|
| | E0000h | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O BASE ADDRESS |
|------------------------------------------------------------|
| Address | JP11 | JP12 | JP13 |
|----------------+--------------+--------------+-------------|
| | 260h | Closed | Closed | Closed |
|---+------------+--------------+--------------+-------------|
| | 290h | Open | Closed | Closed |
|---+------------+--------------+--------------+-------------|
| » | 2E0h | Closed | Open | Closed |
|---+------------+--------------+--------------+-------------|
| | 2F0h | Open | Open | Closed |
|---+------------+--------------+--------------+-------------|
| | 300h | Closed | Closed | Open |
|---+------------+--------------+--------------+-------------|
| | 350h | Open | Closed | Open |
|---+------------+--------------+--------------+-------------|
| | 380h | Closed | Open | Open |
|---+------------+--------------+--------------+-------------|
| | 3E0h | Open | Open | Open |
+------------------------------------------------------------+