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# KT TECHNOLOGY PTE LTD.
KTN-903
NIC Type Ethernet
Transfer Rate 10Mbps
Data Bus 16-bit ISA
Topology Linear Bus/Star
Wiring Type Unshielded twisted pair
AUI Transceiver via DB-15 port
RG-58A/U 50ohm coaxial
Boot ROM Available
(IMG) IMG 1
+------------------------------------------------------------+
| FACTORY CONFIGURED |
|------------------------------------------------------------|
| Jumper | Position |
|----------------------------+-------------------------------|
| JP6 | not identified |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CABLE TYPE SELECTION |
|------------------------------------------------------------|
| Cable Type | JP2 | JP3 | JP7 |
|-----------------------------+--------+--------+------------|
| Unshielded twisted pair | Open | Open | pins 1 & 2 |
| | | | closed |
|-----------------------------+--------+--------+------------|
| AUI Transceiver via DB-15 | Open | Closed | pins 2 & 3 |
| port | | | closed |
|-----------------------------+--------+--------+------------|
| RG-58A/U 50ohm coaxial | Closed | Open | pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE I/O ADDRESS SELECTION |
|------------------------------------------------------------|
| Address | JP0 | JP1 |
|---------------------+-------------------+------------------|
| ยป | 300h | Closed | Closed |
|---+-----------------+-------------------+------------------|
| | 320h | Open | Closed |
|---+-----------------+-------------------+------------------|
| | 340h | Closed | Open |
|---+-----------------+-------------------+------------------|
| | 360h | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT CONFUGURATION |
|------------------------------------------------------------|
| Address | JP4/A | JP4/B | JP4/C | JP4/D |
|------------+-----------+-----------+-----------+-----------|
| 3 | Open | Closed | Open | Open |
|------------+-----------+-----------+-----------+-----------|
| 4 | Open | Open | Closed | Open |
|------------+-----------+-----------+-----------+-----------|
| 5 | Open | Open | Open | Closed |
|------------+-----------+-----------+-----------+-----------|
| 9 | Closed | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT ROM CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP5 |
|----------------------------+-------------------------------|
| Enabled | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| Disabled | pins 2 & 3 closed |
+------------------------------------------------------------+