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# UNICOM ELECTRIC, INC.
8-BIT ETHERNET ADAPTER
NIC Type Ethernet
Transfer Rate 10Mbps
Data Bus 8-bit ISA
Topology Star
Wiring Type Unshielded twisted pair
AUI transceiver via DB-15 port
Boot ROM Available
IMG IMG 1
+------------------------------------------------------------+
| DMA CHANNEL |
|------------------------------------------------------------|
| Channel | JP1A | JP1B | JP1C | JP1D |
|----------------+----------+----------+----------+----------|
| » | Disabled | Open | Open | Open | Open |
|---+------------+----------+----------+----------+----------|
| | 1 | Closed | Open | Closed | Open |
|---+------------+----------+----------+----------+----------|
| | 3 | Open | Closed | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O BASE ADDRESS |
|------------------------------------------------------------|
| Address | JP2A | JP2B | JP2C |
|-------------------+-------------+-------------+------------|
| | 200 - 21Fh | Open | Closed | Closed |
|---+---------------+-------------+-------------+------------|
| | 220 - 23Fh | Open | Closed | Open |
|---+---------------+-------------+-------------+------------|
| | 240 - 25Fh | Open | Open | Closed |
|---+---------------+-------------+-------------+------------|
| | 260 - 27Fh | Open | Open | Open |
|---+---------------+-------------+-------------+------------|
| | 300 - 31Fh | Closed | Closed | Closed |
|---+---------------+-------------+-------------+------------|
| | 320 - 33Fh | Closed | Closed | Open |
|---+---------------+-------------+-------------+------------|
| » | 340 -35Fh | Closed | Open | Closed |
|---+---------------+-------------+-------------+------------|
| | 360 - 37Fh | Closed | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT REQUEST ||
|-----------------------------------------------------------||
| IRQ | JP3A | JP3B | JP3C | JP3D | JP3E | JP3F ||
|----------------+-------+------+------+------+------+------||
| | 2 | Open | Open | Open | Open | Open |Closed||
|-+--------------+-------+------+------+------+------+------||
|»| 3 |Closed | Open | Open | Open | Open | Open ||
|-+--------------+-------+------+------+------+------+------||
| | 4 | Open |Closed| Open | Open | Open | Open ||
|-+--------------+-------+------+------+------+------+------||
| | 5 | Open | Open |Closed| Open | Open | Open ||
|-+--------------+-------+------+------+------+------+------||
| | 6 | Open | Open | Open |Closed| Open | Open ||
|-+--------------+-------+------+------+------+------+------||
| | 7 | Open | Open | Open | Open |Closed| Open ||
|-+----------------------------------------------------------|
| | BOOT ROM ADDRESS |
|-+----------------------------------------------------------|
| | Address | JP4A | JP4B | JP4C | |
|-+--------------+-------+------+------| |
| |C0000 - C3FFFh| Open |Closed|Closed| |
|-+--------------+-------+------+------| |
| |C4000 - C7FFFh| Open |Closed| Open | |
|-+--------------+-------+------+------| |
| |C8000 - CBFFFh| Open | Open |Closed| |
|-+--------------+-------+------+------| |
| |CC000 - CFFFFh| Open | Open | Open | |
|-+--------------+-------+------+------| |
|»|D0000 - D3FFFh|Closed |Closed|Closed| |
|-+--------------+-------+------+------| |
| |D4000 - D7FFFh|Closed |Closed| Open | |
|-+--------------+-------+------+------| |
| |D8000 - DBFFFh|Closed | Open |Closed| |
|-+--------------+-------+------+------| |
| |DC000 - DFFFFh|Closed | Open | Open | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT ROM |
|------------------------------------------------------------|
| Setting | JP5 |
|----------------------------+-------------------------------|
| » | Disabled | Pins 2 & 3 closed |
|---+------------------------+-------------------------------|
| | Enabled | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CABLE TYPE |
|------------------------------------------------------------|
| Type | JP6 |
|------------------------------------+-----------------------|
| » | Unshielded twisted pair | Pins 2 & 3 closed |
|---+--------------------------------+-----------------------|
| | AUI transceiver via DB-15 port | Pins 1 & 2 closed |
+------------------------------------------------------------+
IMG IMG 2
+------------------------------------------------------------+
| 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 |
|------+--------+--------+-----------------------------------|
| LED3 | Yellow | On | Twisted pair network connection |
| | | | is good |
|------+--------+--------+-----------------------------------|
| LED3 | Yellow | Off | Twisted pair network connection |
| | | | is broken |
|------+--------+--------+-----------------------------------|
| LED4 | Orange | On | Receive wire polarity reversed |
|------+--------+--------+-----------------------------------|
| LED4 | Orange | Off | Receive wire polarity normal |
+------------------------------------------------------------+