(TXT) View Source
# TIARA COMPUTER SYSTEMS, INC.
LanCard/A * PC & LanCard/A * PC HiZ
NIC Type ARCnet
Transfer Rate 2.5Mbps
Data Bus 8-bit ISA
Topology Star (PC)
Linear Bus (PC HiZ)
Wiring Type RG-62A/U 93ohm coaxial (PC and PC HiZ)
RG-58A/U 50ohm coaxial (HiZ only)
Boot ROM Available
(IMG) IMG 1
+------------------------------------------------------------+
| NODE ADDRESS |
|------------------------------------------------------------|
|Node |SW2/1 |SW2/2 |SW2/3 |SW2/4 |SW2/5 |SW2/6 |SW2/7 |SW2/8|
|-----+------+------+------+------+------+------+------+-----|
| 0 | - | - | - | - | - | - | - | - |
|-----+------+------+------+------+------+------+------+-----|
| 1 | Off | Off | Off | Off | Off | Off | Off | On |
|-----+------+------+------+------+------+------+------+-----|
| 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 8 is the Least Significant Bit and |
| switch 1 is the Most Significant Bit. The switches have |
| the following decimal values: switch 8=1, 7=2, 6=4, 5=8, |
| 4=16, 3=32, 2=64, 1=128. Turn on the switches and add the |
| values of the on switches to obtain the correct node |
| address. (On=1, Off=0) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ENHANCED DIAGNOSTICS ENABLE |
|------------------------------------------------------------|
| Setting | JP7 |
|------------------------------+-----------------------------|
| » | Disabled | Pins 1 & 2 closed |
|-----------+------------------+-----------------------------|
| | Enabled | Pins 2 & 3 closed |
|------------------------------------------------------------|
| Note: The enhanced diagnostics are compatible only with |
| the driver that was shipped with this card. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O BASE ADDRESS |
|------------------------------------------------------------|
| Address | SW1/1 | SW1/2 | SW1/3 |
|-----------------+--------------+-------------+-------------|
| » | 2E0h | Off | On | Off |
|---+-------------+--------------+-------------+-------------|
| | 260h | Off | Off | Off |
|---+-------------+--------------+-------------+-------------|
| | 290h | Off | Off | On |
|---+-------------+--------------+-------------+-------------|
| | 2B0h | Off | On | On |
|---+-------------+--------------+-------------+-------------|
| | 300h | On | Off | Off |
|---+-------------+--------------+-------------+-------------|
| | 350h | On | Off | On |
|---+-------------+--------------+-------------+-------------|
| | 380h | On | On | On |
|---+-------------+--------------+-------------+-------------|
| | 3E0h | On | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RIM BUFFER ADDRESS CONFIGURATION |
|------------------------------------------------------------|
| Buffer Address | SW1/4 | SW1/5 | SW1/6 |
|-------------------------+-----------+-----------+----------|
| » | D0OO-D3FFH | On | Off | Off |
|-------+-----------------+-----------+-----------+----------|
| | C0OO-C3FFH | Off | Off | Off |
|-------+-----------------+-----------+-----------+----------|
| | C4OO-C7FFH | Off | Off | On |
|-------+-----------------+-----------+-----------+----------|
| | CCOO-CFFFH | Off | On | On |
|-------+-----------------+-----------+-----------+----------|
| | D4OO-D7FFH | On | Off | On |
|-------+-----------------+-----------+-----------+----------|
| | D8OO-DBFFH | On | On | Off |
|-------+-----------------+-----------+-----------+----------|
| | DCOO-DFFFH | On | On | On |
|-------+-----------------+-----------+-----------+----------|
| | E000-E3FFH | Off | On | Off |
|------------------------------------------------------------|
| Note: The lower 8K of the address above is used as a |
| network data buffer. The upper 8K is where the Boot ROM |
| is loaded into system memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CABLE LENGTH AND RESPONSE/RECONFIGURATION TIMEOUTS |
|------------------------------------------------------------|
| Maximum | Response | Reconfiguration | SW1/7 | SW1/8 |
| Length | Time | | | |
|-------------+-----------+------------------+-------+-------|
| » | 4.8 | 74.7µs | 840ms | On | On |
| | miles | | | | |
|----+--------+-----------+------------------+-------+-------|
| | 21.0 | 283.4µs | 1680ms | On | Off |
| | miles | | | | |
|----+--------+-----------+------------------+-------+-------|
| | 42.5 | 561.8µs | 1680ms | Off | On |
| | miles | | | | |
|----+--------+-----------+------------------+-------+-------|
| | 85.6 | 1118.6µs | 1680ms | Off | Off |
| | miles | | | | |
|------------------------------------------------------------|
| Note: Maximum length is the distance between the two |
| farthest cards on the network. All cards on a segment must |
| have this option set the same. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|-------+---------+------------+-----------------------------|
| L1 | Red | On | Data is being received |
|-------+---------+------------+-----------------------------|
| L1 | Red | Off | Data is not being received |
|-------+---------+------------+-----------------------------|
| L1 | Red | Blinking | Card is reconfiguring |
|-------+---------+------------+-----------------------------|
| L2 | Green | On | Data is being transmitted |
|-------+---------+------------+-----------------------------|
| L2 | Green | Off | Data is not being |
| | | | transmitted |
|-------+---------+------------+-----------------------------|
| L2 | Green | Blinking | Card is reconfiguring |
|------------------------------------------------------------|
| Note: If LEDs L1 & L2 continue to blink for an extended |
| amount of time, this indicates a network problem such as |
| a defective card, a broken network connection, or a hub |
| failure. |
+------------------------------------------------------------+