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# CNET TECHNOLOGY, INC.
CN300E/380E
NIC Type Ethernet
Transfer Rate 10Mbps
Data Bus 16-bit ISA
Topology Linear Bus
Wiring Type RG-58A/U 50ohm coaxial
AUI transceiver via DB-15 port
Boot ROM Available
IMG IMG 1
+--------------------------------------------------------------------+
| INTERRUPT REQUEST |
|--------------------------------------------------------------------|
| IRQ | JP1A | JP1B | JP1C | JP1D | JP1E | JP1F | JP1G | JP1H | JP1I |
|-----+------+------+------+------+------+------+------+------+------|
| |2/9|Closed| Open | Open | Open | Open | Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------+------|
|»| 3 | Open |Closed| Open | Open | Open | Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------+------|
| | 4 | Open | Open |Closed| Open | Open | Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------+------|
| | 5 | Open | Open | Open |Closed| Open | Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------+------|
| | 7 | Open | Open | Open | Open |Closed| Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------+------|
| |10 | Open | Open | Open | Open | Open |Closed| Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------+------|
| |11 | Open | Open | Open | Open | Open | Open |Closed| Open | Open |
|-+---+------+------+------+------+------+------+------+------+------|
| |12 | Open | Open | Open | Open | Open | Open | Open |Closed| Open |
|-+---+------+------+------+------+------+------+------+------+------|
| |15 | Open | Open | Open | Open | Open | Open | Open | Open |Closed|
+--------------------------------------------------------------------+
+------------------------------------------------------------+
| WAIT STATE |
|------------------------------------------------------------|
| Setting | JP2A | JP2B |
|--------------------+-------------------+-------------------|
| » | 0 Wait states | Pins 1 & 2 closed | Pins 1 & 2 closed |
|---+----------------+-------------------+-------------------|
| | 1 Wait state | Pins 2 & 3 closed | Pins 1 & 2 closed |
|---+----------------+-------------------+-------------------|
| | 2 Wait states | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT ROM |
|------------------------------------------------------------|
| Setting | JP5 |
|----------------------------+-------------------------------|
| » | Disabled | Pins 1 & 2 closed |
|---+------------------------+-------------------------------|
| | Enabled | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT ROM SIZE |
|------------------------------------------------------------|
| Size | JP6 | JP7 |
|------------------+--------------------+--------------------|
| » | 16KB | Pins 1 & 2 Closed | Pins 1 & 2 Closed |
|---+--------------+--------------------+--------------------|
| | 32KB | Pins 2 & 3 Closed | Pins 1 & 2 Closed |
|---+--------------+--------------------+--------------------|
| | 64KB | Pins 2 & 3 Closed | Pins 2 & 3 Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ONBOARD TERMINATOR |
|------------------------------------------------------------|
| Setting | JP12 |
|----------------------------+-------------------------------|
| » | Disabled | Pins 1 & 2 Closed |
|---+------------------------+-------------------------------|
| | Enabled | Pins 2 & 3 Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CABLE TYPE |
|------------------------------------------------------------|
| Type | JP11 |
|------------------------------------+-----------------------|
| » | RG-58A/U 50ohm coaxial | Pins 2 & 3 Closed |
|---+--------------------------------+-----------------------|
| | AUI transceiver via DB-15 port | Pins 1 & 2 Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT ROM ADDRESS |
|------------------------------------------------------------|
| Address | ROM Size | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
|-------------+----------+--------+--------+--------+--------|
| | C0000h | 16KB | On | On | On | On |
|---+---------+----------+--------+--------+--------+--------|
| | C0000h | 32KB | On | On | On | Off |
|---+---------+----------+--------+--------+--------+--------|
| | C0000h | 64KB | On | On | Off | Off |
|---+---------+----------+--------+--------+--------+--------|
| | C4000h | 16KB | On | On | On | Off |
|---+---------+----------+--------+--------+--------+--------|
| | C8000h | 16KB | On | On | Off | On |
|---+---------+----------+--------+--------+--------+--------|
| | C8000h | 32KB | On | On | Off | Off |
|---+---------+----------+--------+--------+--------+--------|
| | CC000h | 16KB | On | On | Off | Off |
|---+---------+----------+--------+--------+--------+--------|
| | D0000h | 16KB | On | Off | On | On |
|---+---------+----------+--------+--------+--------+--------|
| | D0000h | 32KB | On | Off | On | Off |
|---+---------+----------+--------+--------+--------+--------|
| | D0000h | 64KB | On | Off | Off | Off |
|---+---------+----------+--------+--------+--------+--------|
| | D4000h | 16KB | On | Off | On | Off |
|---+---------+----------+--------+--------+--------+--------|
| » | D8000h | 16KB | On | Off | Off | On |
|---+---------+----------+--------+--------+--------+--------|
| | D8000h | 32KB | On | Off | Off | Off |
|---+---------+----------+--------+--------+--------+--------|
| | DC000h | 16KB | On | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O BASE ADDRESS |
|------------------------------------------------------------|
| Address | SW1/5 | SW1/6 | SW1/7 | SW1/8 |
|----------------+----------+----------+----------+----------|
| | 200-2IFh | On | On | On | On |
|---+------------+----------+----------+----------+----------|
| | 220-23Fh | On | On | On | Off |
|---+------------+----------+----------+----------+----------|
| | 240-25Fh | On | On | Off | On |
|---+------------+----------+----------+----------+----------|
| » | 280-29Fh | On | Off | On | On |
|---+------------+----------+----------+----------+----------|
| | 2A0-2BFh | On | Off | On | Off |
|---+------------+----------+----------+----------+----------|
| | 2C0-2DFh | On | Off | Off | On |
|---+------------+----------+----------+----------+----------|
| | 300-31Fh | Off | On | On | On |
|---+------------+----------+----------+----------+----------|
| | 320-33Fh | Off | On | On | Off |
|---+------------+----------+----------+----------+----------|
| | 340-35Fh | Off | On | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|--------+---------+---------+-------------------------------|
| LED1 | Red | On | Data is being received |
|--------+---------+---------+-------------------------------|
| LED1 | Red | Off | Data is not being received |
|--------+---------+---------+-------------------------------|
| LED2 | Green | On | Data is being transmitted |
|--------+---------+---------+-------------------------------|
| LED2 | Green | Off | Data is not being transmitted |
+------------------------------------------------------------+