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# TIARA COMPUTER SYSTEMS, INC.
LanCard/A-PC16 & LanCard/A-PC16 HiZ
NIC Type ARCnet
Transfer Rate 2.5Mbps
Data Bus 16-bit ISA
Topology Star
Wiring Type RG-62A/U 93ohm coaxial (A-PC16 and A-PC16 HiZ)
RG-58A/U 50ohm coaxial (A-PC16 Hiz)
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 | On | Off | Off | Off | Off | Off | Off |
|-----+-------+------+------+------+------+------+-----+-----|
| 3 | On | On | Off | Off | Off | Off | Off | Off |
|-----+-------+------+------+------+------+------+-----+-----|
| 4 | Off | Off | On | Off | Off | Off | Off | Off |
|-----+-------+------+------+------+------+------+-----+-----|
| 251 | On | On | Off | On | On | On | On | On |
|-----+-------+------+------+------+------+------+-----+-----|
| 252 | Off | Off | On | On | On | On | On | On |
|-----+-------+------+------+------+------+------+-----+-----|
| 253 | On | Off | On | On | On | On | On | On |
|-----+-------+------+------+------+------+------+-----+-----|
| 254 | Off | On | On | On | On | On | On | On |
|-----+-------+------+------+------+------+------+-----+-----|
| 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) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| EXTENDED TIMEOUT CONFIGURATION |
|------------------------------------------------------------|
| Distance | Response | Reconfiguration | JP2 | JP3 |
| | Time | | | |
|-----------+----------+-----------------+----------+--------|
| 4.8 miles | 74.7µs | 840ms | Pins 1 & | Pins 1 |
| | | | 2 closed | & 2 |
| | | | | closed |
|-----------+----------+-----------------+----------+--------|
| 21.0 | 263.4µs | 1680ms | Pins 1 & | Pins 2 |
| miles | | | 2 closed | & 3 |
| | | | | closed |
|-----------+----------+-----------------+----------+--------|
| 42.5 | 561.8µs | 1680ms | Pins 2 & | Pins 1 |
| miles | | | 3 closed | & 2 |
| | | | | closed |
|-----------+----------+-----------------+----------+--------|
| 85.6 | 1118.6µs | 1680ms | Pins 2 & | Pins 2 |
| miles | | | 3 closed | & 3 |
| | | | | closed |
|------------------------------------------------------------|
| Note: The distance given is the maximum distance between |
| the two furthest nodes on the network. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RIM BUFFER CONFIGURATION |
|------------------------------------------------------------|
| Address | JP7 | JP8 | JP9 |
|------------------+-------------+-------------+-------------|
| » | D000-D1FFh | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 |
| | | closed | closed | closed |
|----+-------------+-------------+-------------+-------------|
| | COOO-DFFFh | N/A | N/A | Pins 1 & 2 |
| | | | | closed |
|----+-------------+-------------+-------------+-------------|
| | D400-D5FFh | Pins 1 & 2 | Pins 2 & 3 | Pins 2 & 3 |
| | | closed | closed | closed |
|----+-------------+-------------+-------------+-------------|
| | D800-D9FF | Pins 2 & 3 | Pins 1 & 2 | Pins 2 & 3 |
| | | closed | closed | closed |
|----+-------------+-------------+-------------+-------------|
| | DC00-DEFF | Pins 1 & 2 | Pins 1 & 2 | Pins 2 & 3 |
| | | closed | closed | closed |
|------------------------------------------------------------|
| Note: When JP9 has pins 1 & 2 closed, the buffer size is |
| 128KB, rather than 8KB. Use this setting when experiencing |
| difficulty with fast AT-class machines. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O BASE ADDRESS |
|------------------------------------------------------------|
| Address | JP18 | JP19 | JP20 | JP21 | JP22 |
|------------+-----------+--------+--------+--------+--------|
| » | 0280h | Pins 2 & | Pins 2 | Pins 2 | Pins 1 | Pins 2 |
| | | 3 | & 3 | & 3 | & 2 | & 3 |
|----+-------+-----------+--------+--------+--------+--------|
| | 02Aoh | Pins 2 & | Pins 1 | Pins 2 | Pins 1 | Pins 2 |
| | | 3 | & 2 | & 3 | & 2 | & 3 |
|----+-------+-----------+--------+--------+--------+--------|
| | 02E0h | Pins 2 & | Pins 1 | Pins 1 | Pins 1 | Pins 2 |
| | | 3 | & 2 | & 2 | & 2 | & 3 |
|----+-------+-----------+--------+--------+--------+--------|
| | 0300h | Pins 2 & | Pins 2 | Pins 2 | Pins 2 | Pins 1 |
| | | 3 | & 3 | & 3 | & 3 | & 2 |
|----+-------+-----------+--------+--------+--------+--------|
| | 0330h | Pins 1 & | Pins 1 | Pins 2 | Pins 2 | Pins 1 |
| | | 2 | & 2 | & 3 | & 3 | & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+---------------------------------------------------------------------------------+
| INTERRUPT REQUEST |
|---------------------------------------------------------------------------------|
|IRQ | JP31 | JP32 | JP33 | JP34 | JP35 | JP36 | JP37 | JP38 | JP39 | JP40 | JP41 |
|----+------+------+------+------+------+------+------+------+------+------+------|
|»|2 | Open | Open | Open | Open | Open |Closed| Open | Open | Open | Open | Open |
|-+--+------+------+------+------+------+------+------+------+------+------+------|
| |3 | Open | Open | Open | Open | Open | Open |Closed| Open | Open | Open | Open |
|-+--+------+------+------+------+------+------+------+------+------+------+------|
| |4 | Open | Open | Open | Open | Open | Open | Open |Closed| Open | Open | Open |
|-+--+------+------+------+------+------+------+------+------+------+------+------|
| |5 | Open | Open | Open | Open | Open | Open | Open | Open |Closed| Open | Open |
|-+--+------+------+------+------+------+------+------+------+------+------+------|
| |6 | Open | Open | Open | Open | Open | Open | Open | Open | Open |Closed| Open |
|-+--+------+------+------+------+------+------+------+------+------+------+------|
| |7 | Open | Open | Open | Open | Open | Open | Open | Open | Open | Open |Closed|
|-+--+------+------+------+------+------+------+------+------+------+------+------|
| |10| Open | Open | Open | Open |Closed| Open | Open | Open | Open | Open | Open |
|-+--+------+------+------+------+------+------+------+------+------+------+------|
| |11| Open | Open | Open |Closed| Open | Open | Open | Open | Open | Open | Open |
|-+--+------+------+------+------+------+------+------+------+------+------+------|
| |12| Open | Open |Closed| Open | Open | Open | Open | Open | Open | Open | Open |
|-+--+------+------+------+------+------+------+------+------+------+------+------|
| |14|Closed| Open | Open | Open | Open | Open | Open | Open | Open | Open | Open |
|-+--+------+------+------+------+------+------+------+------+------+------+------|
| |15| Open |Closed| Open | Open | Open | Open | Open | Open | Open | Open | Open |
+---------------------------------------------------------------------------------+
+------------------------------------------------------------+
| BASE MEMORY ADDRESS - LAST THREE DIGITS |
|------------------------------------------------------------|
| Address |ROM |JP11|JP12|JP13|JP26|JP27|JP28|JP29|JP30|
|---------------+----+----+----+----+----+----+----+----+----|
| x000h-x1FFh |8K x|Pins|Pins|Pins|Pins|Pins|Pins|Pins|Pins|
| | 8 |2&3 |2&3 |2&3 |1&2 |1&2 |1&2 |2&3 |2&3 |
|---------------+----+----+----+----+----+----+----+----+----|
| x200h-x3FFh |8K x|Pins|Pins|Pins|Pins|Pins|Pins|Pins|Pins|
| | 8 |1&2 |2&3 |2&3 |1&2 |1&2 |1&2 |2&3 |2&3 |
|---------------+----+----+----+----+----+----+----+----+----|
| x400h-x5FFh |8K x|Pins|Pins|Pins|Pins|Pins|Pins|Pins|Pins|
| | 8 |2&3 |1&2 |2&3 |1&2 |1&2 |1&2 |2&3 |2&3 |
|---------------+----+----+----+----+----+----+----+----+----|
| x600h-x7FFh |8K x|Pins|Pins|Pins|Pins|Pins|Pins|Pins|Pins|
| | 8 |1&2 |1&2 |2&3 |1&2 |1&2 |1&2 |2&3 |2&3 |
|---------------+----+----+----+----+----+----+----+----+----|
| x800h-x9FFh |8K x|Pins|Pins|Pins|Pins|Pins|Pins|Pins|Pins|
| | 8 |2&3 |2&3 |1&2 |1&2 |1&2 |1&2 |2&3 |2&3 |
|---------------+----+----+----+----+----+----+----+----+----|
| xA00h-xBFFh |8K x|Pins|Pins|Pins|Pins|Pins|Pins|Pins|Pins|
| | 8 |1&2 |2&3 |1&2 |1&2 |1&2 |1&2 |2&3 |2&3 |
|---------------+----+----+----+----+----+----+----+----+----|
| xC00h-xDFFh |8K x|Pins|Pins|Pins|Pins|Pins|Pins|Pins|Pins|
| | 8 |2&3 |1&2 |1&2 |1&2 |1&2 |1&2 |2&3 |2&3 |
|---------------+----+----+----+----+----+----+----+----+----|
| xE00h-xFFFh |8K x|Pins|Pins|Pins|Pins|Pins|Pins|Pins|Pins|
| | 8 |1&2 |1&2 |1&2 |1&2 |1&2 |1&2 |2&3 |2&3 |
|---------------+----+----+----+----+----+----+----+----+----|
| x000h-x3FFh |16K |Pins|Pins|Pins|Pins|Pins|Pins|Pins|Pins|
| |x 8 |2&3 |2&3 |2&3 |2&3 |1&2 |1&2 |2&3 |1&2 |
|---------------+----+----+----+----+----+----+----+----+----|
| x400h-x7FFh |16K |Pins|Pins|Pins|Pins|Pins|Pins|Pins|Pins|
| |x 8 |2&3 |1&2 |2&3 |2&3 |1&2 |1&2 |2&3 |1&2 |
|---------------+----+----+----+----+----+----+----+----+----|
| x800h-xBFFh |16K |Pins|Pins|Pins|Pins|Pins|Pins|Pins|Pins|
| |x 8 |2&3 |2&3 |1&2 |2&3 |1&2 |1&2 |2&3 |1&2 |
|---------------+----+----+----+----+----+----+----+----+----|
| xC00h-xFFFh |16K |Pins|Pins|Pins|Pins|Pins|Pins|Pins|Pins|
| |x 8 |2&3 |1&2 |1&2 |2&3 |1&2 |1&2 |2&3 |1&2 |
|---------------+----+----+----+----+----+----+----+----+----|
| x000h-x7FFh |32K |Pins|Pins|Pins|Pins|Pins|Pins|Pins|Pins|
| |x 8 |2&3 |2&3 |2&3 |2&3 |2&3 |1&2 |1&2 |2&3 |
|---------------+----+----+----+----+----+----+----+----+----|
| x800h-xFFFh |32K |Pins|Pins|Pins|Pins|Pins|Pins|Pins|Pins|
| |x 8 |2&3 |2&3 |1&2 |2&3 |2&3 |1&2 |1&2 |2&3 |
|---------------+----+----+----+----+----+----+----+----+----|
| x000h-xFFFh |64K |Pins|Pins|Pins|Pins|Pins|Pins|Pins|Pins|
| |x 8 |2&3 |2&3 |2&3 |2&3 |2&3 |2&3 |1&2 |1&2 |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
| |
|Note: Place the three digit address given here behind the |
|single digit given in the following table to get the |
|complete base memory address. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE MEMORY ADDRESS - FIRST DIGIT |
|------------------------------------------------------------|
| Address | JP14 | JP15 | JP16 | JP17 |
| Segment | | | | |
|----------+---------------+-----------+----------+----------|
| 0h | Pins 2 & 3 | Pins 2 & | Pins 2 & | Pins 2 & |
| | closed | 3 closed | 3 closed | 3 closed |
|----------+---------------+-----------+----------+----------|
| 1h | Pins 1 & 2 | Pins 2 & | Pins 2 & | Pins 2 & |
| | closed | 3 closed | 3 closed | 3 closed |
|----------+---------------+-----------+----------+----------|
| 2h | Pins 2 & 3 | Pins 1 & | Pins 2 & | Pins 2 & |
| | closed | 2 closed | 3 closed | 3 closed |
|----------+---------------+-----------+----------+----------|
| 3h | Pins 1 & 2 | Pins 1 & | Pins 2 & | Pins 2 & |
| | closed | 2 closed | 3 closed | 3 closed |
|----------+---------------+-----------+----------+----------|
| 4h | Pins 2 & 3 | Pins 2 & | Pins 1 & | Pins 2 & |
| | closed | 3 closed | 2 closed | 3 closed |
|----------+---------------+-----------+----------+----------|
| 5h | Pins 1 & 2 | Pins 2 & | Pins 1 & | Pins 2 & |
| | closed | 3 closed | 2 closed | 3 closed |
|----------+---------------+-----------+----------+----------|
| 6h | Pins 2 & 3 | Pins 1 & | Pins 1 & | Pins 2 & |
| | closed | 2 closed | 2 closed | 3 closed |
|----------+---------------+-----------+----------+----------|
| 7h | Pins 1 & 2 | Pins 1 & | Pins 1 & | Pins 2 & |
| | closed | 2 closed | 2 closed | 3 closed |
|----------+---------------+-----------+----------+----------|
| 8h | Pins 2 & 3 | Pins 2 & | Pins 2 & | Pins 1 & |
| | closed | 3 closed | 3 closed | 2 closed |
|----------+---------------+-----------+----------+----------|
| 9h | Pins 1 & 2 | Pins 2 & | Pins 2 & | Pins 1 & |
| | closed | 3 closed | 3 closed | 2 closed |
|----------+---------------+-----------+----------+----------|
| Ah | Pins 2 & 3 | Pins 1 & | Pins 2 & | Pins 1 & |
| | closed | 2 closed | 3 closed | 2 closed |
|----------+---------------+-----------+----------+----------|
| Bh | Pins 1 & 2 | Pins 1 & | Pins 2 & | Pins 1 & |
| | closed | 2 closed | 3 closed | 2 closed |
|----------+---------------+-----------+----------+----------|
| Ch | Pins 2 & 3 | Pins 2 & | Pins 1 & | Pins 1 & |
| | closed | 3 closed | 2 closed | 2 closed |
|----------+---------------+-----------+----------+----------|
| Dh | Pins 1 & 2 | Pins 2 & | Pins 1 & | Pins 1 & |
| | closed | 3 closed | 2 closed | 2 closed |
|----------+---------------+-----------+----------+----------|
| Eh | Pins 2 & 3 | Pins 1 & | Pins 1 & | Pins 1 & |
| | closed | 2 closed | 2 closed | 2 closed |
|----------+---------------+-----------+----------+----------|
| Fh | Pins 1 & 2 | Pins 1 & | Pins 1 & | Pins 1 & |
| | closed | 2 closed | 2 closed | 2 closed |
|------------------------------------------------------------|
| Note:he Address Segment is the first digit in the Base |
| Memory Address. Refer to the previous table for the |
| remaining three digits in the address. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT ROM |
|------------------------------------------------------------|
| Setting | JP43 |
|----------------------------+-------------------------------|
| » | Disabled | Pins 2 & 3 closed |
|---+------------------------+-------------------------------|
| | Enabled | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FACTORY CONFIGURED SETTINGS - DO NOT ALTER |
|------------------------------------------------------------|
| Jumper | Setting |
|----------------------------+-------------------------------|
| JP1 | Pins 2 & 3 closed |
|----------------------------+-------------------------------|
| JP23 | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| JP24 | Pins 2 & 3 closed |
|----------------------------+-------------------------------|
| JP25 | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
+------------------------------------------------------------+