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# OCEAN INFORMATION SYSTEMS, INC.
ETHERNET-2100 REV. 1.0
NIC Type: Ethernet
Transfer Rate: 10Mbps
Data Bus: 16-bit ISA
Topology: Linear Bus
Wiring Type AUI transceiver via DB-15 port
RG58A/U 50ohm coaxial
Boot ROM Available
IMG IMG 1
+------------------------------------------------------------+
| WAIT STATE |
|------------------------------------------------------------|
| Setting | W1 |
|-----------------------------------+------------------------|
| » | 0 wait state | Open |
|---+-------------------------------+------------------------|
| | 1 wait state | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CABLE TYPE |
|------------------------------------------------------------|
| Type | W2-W9 |
|------------------------------------+-----------------------|
| » | RG-58A/U 50ohm coaxial | Pins 2 & 3 closed |
|---+--------------------------------+-----------------------|
| | AUI transceiver via DB-15 port | Pins 1 & 2 closed |
+------------------------------------------------------------+
+---------------------------------------------------------------+
| DMA CHANNEL |
|---------------------------------------------------------------|
|Channel| W10 | W11 | W12 | W13 | W14 | W15 | W16 | W17 |
|-------+------+------+------+------+------+------+------+------|
|» |DMA| Open |Closed| Open | Open | Open |Closed| Open | Open |
| | 5 | | | | | | | | |
|---+---+------+------+------+------+------+------+------+------|
| |DMA|Closed| Open | Open | Open |Closed| Open | Open | Open |
| | 3 | | | | | | | | |
|---+---+------+------+------+------+------+------+------+------|
| |DMA| Open | Open |Closed| Open | Open | Open |Closed| Open |
| | 6 | | | | | | | | |
|---+---+------+------+------+------+------+------+------+------|
| |DMA| Open | Open | Open |Closed| Open | Open | Open |Closed|
| | 7 | | | | | | | | |
+---------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT ROM |
|------------------------------------------------------------|
| Setting | W18 |
|---------------------------------+--------------------------|
| » | Disabled | Open |
|---+-----------------------------+--------------------------|
| | Enabled | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O ADDRESS AND BOOT ROM ADDRESS |
|------------------------------------------------------------|
| I/O Address | Boot ROM Address | W19 | W20 |
|-----------------+------------------+-----------+-----------|
| » | 300h | C8000h | Closed | Closed |
|-----+-----------+------------------+-----------+-----------|
| | 320h | CC000h | Closed | Open |
|-----+-----------+------------------+-----------+-----------|
| | 340h | D0000h | Open | Closed |
|-----+-----------+------------------+-----------+-----------|
| | 360h | D4000h | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT REQUEST |
|------------------------------------------------------------|
| IRQ | W21 | W22 | W23 | W24 |
|-------------+-----------+-----------+-----------+----------|
| » | IRQ3 | Open | Closed | Open | Open |
|---+---------+-----------+-----------+-----------+----------|
| | IRQ4 | Open | Open | Closed | Open |
|---+---------+-----------+-----------+-----------+----------|
| | IRQ5 | Open | Open | Open | Closed |
|---+---------+-----------+-----------+-----------+----------|
| | IRQ9 | Closed | Open | Open | Open |
+------------------------------------------------------------+