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# INVISIBLE SOFTWARE, INC.
ETHERNET/8
NIC Type Ethernet
Transfer Rate 10Mbps
Data Bus 8-bit ISA
Topology Linear Bus
Wiring Type RG-58A/U 50ohm coaxial
Boot ROM Available
IMG IMG 1
+------------------------------------------------------------+
| NODE ADDRESS SELECTION |
|------------------------------------------------------------|
| Address | SW3/1 | SW3/2 |SW3/3 |SW3/4 |SW3/5 |SW3/6 |SW3/7 |
|---------+-------+-------+------+------+------+------+------|
| Dynamic | On | On | On | On | On | On | On |
|---------+-------+-------+------+------+------+------+------|
| 1 | On | On | On | On | On | On | Off |
|---------+-------+-------+------+------+------+------+------|
| 2 | On | On | On | On | On | Off | On |
|---------+-------+-------+------+------+------+------+------|
| 3 | On | On | On | On | On | Off | Off |
|---------+-------+-------+------+------+------+------+------|
| 4 | On | On | On | On | Off | On | On |
|---------+-------+-------+------+------+------+------+------|
| 5 | On | On | On | On | Off | On | Off |
|---------+-------+-------+------+------+------+------+------|
| 123 | Off | Off | Off | Off | On | Off | Off |
|---------+-------+-------+------+------+------+------+------|
| 124 | Off | Off | Off | Off | Off | On | On |
|---------+-------+-------+------+------+------+------+------|
| 125 | Off | Off | Off | Off | Off | On | Off |
|---------+-------+-------+------+------+------+------+------|
| 126 | Off | Off | Off | Off | Off | Off | On |
|---------+-------+-------+------+------+------+------+------|
| 127 | Off | Off | Off | Off | Off | Off | Off |
|------------------------------------------------------------|
| Note: One dynamic and 127 specific node address settings |
| are available. The switches are a binary representation of|
| the decimal node addresses. Switch SW3/7 is the Least |
| Significant Bit and switch SW3/1 is the Most Significant |
| Bit. The switches have the following decimal values: |
| switch SW3/7=1, SW3/6=2, SW3/5=4, SW3/4=8, SW3/3=16, |
| SW3/2=32, SW3/1=64. Turn off the switches and add the |
| values of the off switches to obtain the correct node |
| address. (on=0, off=1) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE I/O ADDRESS SELECTION |
|------------------------------------------------------------|
| Address | SW1/1 | SW1/2 |
|-----------------------+------------------+-----------------|
| » | 300h | On | On |
|----+------------------+------------------+-----------------|
| | 320h | Off | On |
|----+------------------+------------------+-----------------|
| | 340h | On | Off |
|----+------------------+------------------+-----------------|
| | 360h | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | SW2/1 | SW2/2 | SW2/3 | SW2/4 |
|------------+-----------+-----------+-----------+-----------|
| » | 3 | Off | On | Off | Off |
|---+--------+-----------+-----------+-----------+-----------|
| | 2 | On | Off | Off | Off |
|---+--------+-----------+-----------+-----------+-----------|
| | 4 | Off | Off | On | Off |
|---+--------+-----------+-----------+-----------+-----------|
| | 5 | Off | Off | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CHANNEL SELECTION |
|------------------------------------------------------------|
| Channel | SW2/5 | SW2/6 | SW2/7 | SW2/8 |
|--------------+-----------+-----------+----------+----------|
| » | None | Off | Off | Off | Off |
|---+----------+-----------+-----------+----------+----------|
| | 1 | On | On | Off | Off |
|---+----------+-----------+-----------+----------+----------|
| | 3 | Off | Off | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SHARED RAM CONFIGURATION |
|------------------------------------------------------------|
| Size | W2 |
|----------------------------+-------------------------------|
| » | 32KB | Pins 2 & 3 closed |
|---+------------------------+-------------------------------|
| | 8KB | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT ROM CONFIGURATION |
|------------------------------------------------------------|
| Setting | SW3/8 |
|----------------------------------+-------------------------|
| » | Disabled | Off |
|----+-----------------------------+-------------------------|
| | Enabled | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ROM SIZE SELECTION |
|------------------------------------------------------------|
| Size | W1 | W3 |
|------------------+--------------------+--------------------|
| » | 16KB | Pins 1 & 2 closed | Pins 2 & 3 closed |
|---+--------------+--------------------+--------------------|
| | 32KB | Pins 2 & 3 closed | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ROM ADDRESS |
|------------------------------------------------------------|
| Address | SW1/3 | SW1/4 |
|----------------------+------------------+------------------|
| » | CC00h | On | On |
|---+------------------+------------------+------------------|
| | D400h | On | Off |
|---+------------------+------------------+------------------|
| | DC00h | Off | On |
|---+------------------+------------------+------------------|
| | E400h | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BUS TIMING |
|------------------------------------------------------------|
| Setting | SW1/8 |
|--------------------------------+---------------------------|
| » | Normal | On |
|---+----------------------------+---------------------------|
| | Early | Off |
+------------------------------------------------------------+