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# STANDARD MICROSYSTEMS CORPORATION
ARCNET PC650
NIC Type ARCnet
Transfer Rate 2.5Mbps
Data Bus 16-bit ISA
Topology Star
Wiring Type Unshielded twisted pair
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 | On | On | On | On | On | On | On |
|-----+------+------+------+------+------+------+------+-----|
| 2 | On | Off | On | On | On | On | On | On |
|-----+------+------+------+------+------+------+------+-----|
| 3 | Off | Off | On | On | On | On | On | On |
|-----+------+------+------+------+------+------+------+-----|
| 4 | On | On | Off | On | On | On | On | On |
|-----+------+------+------+------+------+------+------+-----|
| 251 | Off | Off | On | Off | Off | Off | Off | Off |
|-----+------+------+------+------+------+------+------+-----|
| 252 | On | On | Off | Off | Off | Off | Off | Off |
|-----+------+------+------+------+------+------+------+-----|
| 253 | Off | On | Off | Off | Off | Off | Off | Off |
|-----+------+------+------+------+------+------+------+-----|
| 254 | On | Off | Off | Off | Off | Off | Off | Off |
|-----+------+------+------+------+------+------+------+-----|
| 255 | Off | Off | Off | Off | Off | Off | Off | Off |
|------------------------------------------------------------|
|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 off the switches and add the|
| values of the off switches to obtain the correct node |
| address. (On=0, Off=1) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT ROM |
|------------------------------------------------------------|
| Setting | JP2 |
|---------------------------------+--------------------------|
| » | Disabled | Open |
|---+-----------------------------+--------------------------|
| | Enabled | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT REQUEST |
|------------------------------------------------------------|
| IRQ | JP3A | JP3B | JP3C | JP3D | JP3E | JP3F |
|------+--------+--------+--------+--------+--------+--------|
| 3 | Closed | Open | Open | Open | Open | Open |
|------+--------+--------+--------+--------+--------+--------|
| 4 | Open | Closed | Open | Open | Open | Open |
|------+--------+--------+--------+--------+--------+--------|
| 5 | Open | Open | Closed | Open | Open | Open |
|------+--------+--------+--------+--------+--------+--------|
| 7 | Open | Open | Open | Closed | Open | Open |
|------+--------+--------+--------+--------+--------+--------|
| 9 | Open | Open | Open | Open | Closed | Open |
|------+--------+--------+--------+--------+--------+--------|
| 10 | Open | Open | Open | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O BASE ADDRESS |
|------------------------------------------------------------|
| Address | SW1/1 | SW1/2 | SW1/3 |
|-----------------+--------------+-------------+-------------|
| » | 300h | Off | On | On |
|---+-------------+--------------+-------------+-------------|
| | 260h | On | On | On |
|---+-------------+--------------+-------------+-------------|
| | 290h | On | On | Off |
|---+-------------+--------------+-------------+-------------|
| | 2E0h | On | Off | On |
|---+-------------+--------------+-------------+-------------|
| | 2F0h | On | Off | Off |
|---+-------------+--------------+-------------+-------------|
| | 350h | Off | On | Off |
|---+-------------+--------------+-------------+-------------|
| | 380h | Off | Off | On |
|---+-------------+--------------+-------------+-------------|
| | 3E0h | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|------+-------+----------+----------------------------------|
| LED1 | Red | On | Card is being accessed by host |
| | | | computer |
|------+-------+----------+----------------------------------|
| LED1 | Red | Off | Card is not being accessed by |
| | | | host computer |
|------+-------+----------+----------------------------------|
| LED2 | Green | On | Data is being transmitted or |
| | | | received |
|------+-------+----------+----------------------------------|
| LED2 | Green | Off | Data is not being transmitted or |
| | | | received |
|------+-------+----------+----------------------------------|
| LED2 | Green | blinking | Network is reconfiguring |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE MEMORY & BOOT ROM ADDRESS |
|------------------------------------------------------------|
| Base | Boot ROM | SW1/4 | SW1/5 | SW1/6 | SW1/7 | SW1/8 |
| Address | Address | | | | | |
|---------+----------+-------+-------+-------+-------+-------|
| 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 |
|---------+----------+-------+-------+-------+-------+-------|
| D0000h | D2000h | On | Off | Off | On | On |
|---------+----------+-------+-------+-------+-------+-------|
| D0800h | D2000h | On | Off | Off | On | 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 |
|---------+----------+-------+-------+-------+-------+-------|
| 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 |
+------------------------------------------------------------+