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# GATEWAY COMMUNICATIONS, INC.
G/Ethernet PC-(WS) Adapter (NATIONAL CHIPSET)
NIC Type Ethernet
Transfer Rate 10Mbps
Data Bus 8-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 | JP2A | JP2B | JP2C | JP2D | JP2E | JP2F |
|------+--------+--------+--------+--------+--------+--------|
|»| 3 | Open | Closed | Open | Open | Open | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 2 | Closed | Open | Open | Open | Open | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 4 | Open | Open | Closed | Open | Open | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 5 | Open | Open | Open | Closed | Open | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 6 | Open | Open | Open | Open | Closed | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 7 | Open | Open | Open | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CABLE TYPE |
|------------------------------------------------------------|
| Type | JP4A - JP4D |
|------------------------------------+-----------------------|
| » | RG-58A/U 50ohm coaxial | Pins 1 & 2 Closed |
|---+--------------------------------+-----------------------|
| | AUI transceiver via DB-15 port | Pins 2 & 3 Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O BASE ADDRESS |
|------------------------------------------------------------|
| Address | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
|----------------+----------+----------+----------+----------|
| » | 2A0h-2BFh | On | Off | On | On |
|---+------------+----------+----------+----------+----------|
| | 280h-29Fh | On | On | On | On |
|---+------------+----------+----------+----------+----------|
| | 2C0h-2DFh | On | On | Off | On |
|---+------------+----------+----------+----------+----------|
| | 2E0h-2FFh | On | Off | Off | On |
|---+------------+----------+----------+----------+----------|
| | 300h-31Fh | On | On | On | Off |
|---+------------+----------+----------+----------+----------|
| | 320h-33Fh | On | Off | On | Off |
|---+------------+----------+----------+----------+----------|
| | 340h-35Fh | On | On | Off | Off |
|---+------------+----------+----------+----------+----------|
| | 360h-37Fh | On | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT ROM ADDRESS |
|------------------------------------------------------------|
| Address | SW1/5 | SW1/6 |
|------------------------+-----------------+-----------------|
| » | CC000-CFFFFh | Off | Off |
|---+--------------------+-----------------+-----------------|
| | C0000-C3FFFh | On | On |
|---+--------------------+-----------------+-----------------|
| | C4000-C7FFFh | Off | On |
|---+--------------------+-----------------+-----------------|
| | C8000-CBFFFh | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MISCELLANEOUS NOTES |
|------------------------------------------------------------|
| The PC adapter can be used in a file server or a work |
| station while the PC-WS adapter can be used in a work |
| station only. Different drivers must be used for the |
| National & the Fujitsu chipset cards, they are not |
| interchangeable. Fujitsu adapters may be used for either 8 |
| or 16-bit Fujitsu cards, while the National chipset cards |
| require a different driver for an 8 or 16-bit card. |
+------------------------------------------------------------+