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# RACAL INTERLAN, INC.
INTERLAN AT SERIES
NIC Type Ethernet
Transfer Rate 10Mbps
Data Bus 16-bit ISA
Topology Linear bus
Wiring Type Unshielded twisted pair
RG58A/U 50ohm coaxial
AUI tranceiver via DB-15
Boot ROM Available
IMG IMG 1
+------------------------------------------------------------+
| CABLE TYPE |
|------------------------------------------------------------|
| Type | NTS |
|------------------------------------+-----------------------|
| | Unshielded twisted pair | Configuration 2 |
|---+--------------------------------+-----------------------|
| » | RG58A/U 50ohm coaxial | Configuration 1 |
|---+--------------------------------+-----------------------|
| | AUI transceiver via DB-15 port | Configuration 3 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE I/O ADDRESS |
|------------------------------------------------------------|
| Address | JP1A | JP1B | JP1C | JP1D |
|------------+-----------+-----------+-----------+-----------|
| 300h | Closed | Open | Open | Open |
|------------+-----------+-----------+-----------+-----------|
| 320h | Open | Closed | Open | Open |
|------------+-----------+-----------+-----------+-----------|
| 340h | Open | Open | Closed | Open |
|------------+-----------+-----------+-----------+-----------|
| 360h | Open | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SETTINGS |
|------------------------------------------------------------|
| IRQ | JP2A | JP2B | JP2C | JP2D |
|---------+------------+------------+------------+-----------|
| 2/9 | Open | Closed | Open | Open |
|---------+------------+------------+------------+-----------|
| 5 | Closed | Open | Open | Open |
|---------+------------+------------+------------+-----------|
| 12 | Open | Open | Closed | Open |
|---------+------------+------------+------------+-----------|
| 15 | Open | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT ROM ADDRESS |
|------------------------------------------------------------|
| Address | JP3A | JP3B | JP3C | JP3D | JP3E |
|---------------+--------+--------+--------+--------+--------|
| | No Boot | Closed | Open | Open | Open | Open |
| | Rom | | | | | |
|---+-----------+--------+--------+--------+--------+--------|
| | C0000h | Open | Closed | Open | Open | Open |
|---+-----------+--------+--------+--------+--------+--------|
| | C4000h | Open | Open | Closed | Open | Open |
|---+-----------+--------+--------+--------+--------+--------|
| » | C8000h | Open | Open | Open | Closed | Open |
|---+-----------+--------+--------+--------+--------+--------|
| | CC000h | Open | Open | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE MEMORY ADDRESS |
|------------------------------------------------------------|
| Address | JP4A | JP4B | JP4C | JP4D |
|------------+-----------+-----------+-----------+-----------|
| D0000 | Closed | Open | Open | Open |
|------------+-----------+-----------+-----------+-----------|
| D4000 | Open | Closed | Open | Open |
|------------+-----------+-----------+-----------+-----------|
| D8000 | Open | Open | Closed | Open |
|------------+-----------+-----------+-----------+-----------|
| DC000 | Open | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LINK INTEGRITY |
|------------------------------------------------------------|
| Function | LDJ |
|-------------------------------------+----------------------|
| » | Link intergity enabled | Pins 1 & 2 closed |
|-----+-------------------------------+----------------------|
| | Link integrity disabled | Pins 2 & 3 closed |
|------------------------------------------------------------|
| Note: If card is used in a pre-10BaseT cabling network, |
| disable the link integrity function. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MAIN BOARD COMPATIBILITY |
|------------------------------------------------------------|
| Setting | W14 | W21 |
|----------------------------------+------------+------------|
| NIC installed in a Compaq EISA | Pins 1 & 2 | Pins 2 & 3 |
| system | closed | closed |
|----------------------------------+------------+------------|
| NIC installed in a true IBM XT | Pins 2 & 3 | Pins 1 & 2 |
| system | closed | closed |
|----------------------------------+------------+------------|
| NIC installed in any other 100% | Pins 1 & 2 | Pins 1 & 2 |
| IBM compatible system | closed | closed |
+------------------------------------------------------------+