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# AMERICAN RESEARCH CORPORATION
ETHERFLEX PLUS/16B, PCN015
NIC Type Ethernet
Transfer Rate 10Mbps
Data Bus 16-bit ISA
Topology Star
Linear Bus
Wiring Type Unshielded twisted pair
RG58A/U 50ohm coaxial
DIX transceiver via DB-15 port
Boot ROM Available
IMG IMG 1
+------------------------------------------------------------+
| I/O BASE ADDRESS |
|------------------------------------------------------------|
| Address | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
|--------------+-----------+-----------+----------+----------|
| | 200h | On | On | On | On |
|---+----------+-----------+-----------+----------+----------|
| | 220h | On | On | On | Off |
|---+----------+-----------+-----------+----------+----------|
| | 240h | On | On | Off | On |
|---+----------+-----------+-----------+----------+----------|
| | 260h | On | On | Off | Off |
|---+----------+-----------+-----------+----------+----------|
| » | 280h | On | Off | On | On |
|---+----------+-----------+-----------+----------+----------|
| | 2A0h | On | Off | On | Off |
|---+----------+-----------+-----------+----------+----------|
| | 2C0h | On | Off | Off | On |
|---+----------+-----------+-----------+----------+----------|
| | 2E0h | On | Off | Off | Off |
|---+----------+-----------+-----------+----------+----------|
| | 300h | Off | On | On | On |
|---+----------+-----------+-----------+----------+----------|
| | 320h | Off | On | On | Off |
|---+----------+-----------+-----------+----------+----------|
| | 340h | Off | On | Off | On |
|---+----------+-----------+-----------+----------+----------|
| | 360h | Off | On | Off | Off |
|---+----------+-----------+-----------+----------+----------|
| | 380h | Off | Off | On | On |
|---+----------+-----------+-----------+----------+----------|
| | 3A0h | Off | Off | On | Off |
|---+----------+-----------+-----------+----------+----------|
| | 3C0h | Off | Off | Off | On |
|---+----------+-----------+-----------+----------+----------|
| | 3E0h | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT ROM ADDRESS |
|------------------------------------------------------------|
| Address | SW1/5 | SW1/6 | SW1/7 |
|------------------+-------------+-------------+-------------|
| | C0000h | On | On | On |
|---+--------------+-------------+-------------+-------------|
| | C4000h | On | On | Off |
|---+--------------+-------------+-------------+-------------|
| | C8000h | On | Off | On |
|---+--------------+-------------+-------------+-------------|
| | CC000h | On | Off | Off |
|---+--------------+-------------+-------------+-------------|
| | D0000h | Off | On | On |
|---+--------------+-------------+-------------+-------------|
| | D4000h | Off | On | Off |
|---+--------------+-------------+-------------+-------------|
| | D8000h | Off | Off | On |
|---+--------------+-------------+-------------+-------------|
| » | DC000h | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT ROM |
|------------------------------------------------------------|
| Setting | SW1/8 |
|---------------------------------+--------------------------|
| » | Disabled | Off |
|---+-----------------------------+--------------------------|
| | Enabled | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT ROM SIZE |
|------------------------------------------------------------|
| Size | JP1 | JP12 |
|------------------+--------------------+--------------------|
| » | 16KB | Pins 1 & 2 Closed | Pins 1 & 2 Closed |
|---+--------------+--------------------+--------------------|
| | 32KB | Pins 2 & 3 Closed | Pins 2 & 3 Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CABLE TYPE |
|------------------------------------------------------------|
| Type | JP3 - JP8 | JP10 | JP11 |
|---------------------+------------+------------+------------|
| Unshielded twisted | Pins 2 & 3 | Pins 1 & 2 | Pins 1 & 2 |
| pair | Closed | Closed | Closed |
|---------------------+------------+------------+------------|
| DIX transceiver via | Pins 1 & 2 | Pins 2 & 3 | Pins 2 & 3 |
| DB-15 port | Closed | Closed | Closed |
|---------------------+------------+------------+------------|
| RG-58A/U 50ohm | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 |
| coaxial | Closed | Closed | Closed |
+------------------------------------------------------------+
+-------------------------------------------------------------+
| INTERRUPT REQUEST |
|-------------------------------------------------------------|
| IRQ |JP14A |JP14B |JP14C |JP14D |JP14E |JP14F |JP14G |JP14H |
|-----+------+------+------+------+------+------+------+------|
| |2/9| Open | Open | Open |Closed| Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------|
|»| 3 | Open | Open | Open | Open | Open | Open | Open |Closed|
|-+---+------+------+------+------+------+------+------+------|
| | 4 | Open | Open | Open | Open | Open | Open |Closed| Open |
|-+---+------+------+------+------+------+------+------+------|
| | 5 | Open | Open | Open | Open | Open |Closed| Open | Open |
|-+---+------+------+------+------+------+------+------+------|
| | 7 | Open | Open | Open | Open |Closed| Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------|
| |10 | Open | Open |Closed| Open | Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------|
| |11 | Open |Closed| Open | Open | Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------|
| |15 |Closed| Open | Open | Open | Open | Open | Open | Open |
+-------------------------------------------------------------+
+------------------------------------------------------------+
| FACTORY CONFIGURED SETTINGS |
|------------------------------------------------------------|
| Jumper | Setting |
|----------------------------+-------------------------------|
| JP2 | Pins 2 & 3 Closed |
|----------------------------+-------------------------------|
| JP9 | Open |
|----------------------------+-------------------------------|
| JP13 | Pins 1 & 2 Closed |
+------------------------------------------------------------+