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# RACAL INTERLAN, INC.
InterLan AT
NIC Type Ethernet
Transfer Rate 10Mbps
Data Bus 8-bit ISA
Topology Linear Bus
Wiring Type Shielded
Unshielded twisted pair
RG-58A/U 50ohm coaxial
AUI transceiver via DB-15 port
Boot ROM Available
IMG IMG 1
+------------------------------------------------------------+
| I/O BASE ADDRESS |
|------------------------------------------------------------|
| Address | JP1 | JP2 | JP3 | JP4 |
|------------+-----------+-----------+-----------+-----------|
| 300h | Closed | Open | Open | Open |
|------------+-----------+-----------+-----------+-----------|
| 320h | Open | Closed | Open | Open |
|------------+-----------+-----------+-----------+-----------|
| 340h | Open | Open | Closed | Open |
|------------+-----------+-----------+-----------+-----------|
| 380h | Open | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT REQUEST |
|------------------------------------------------------------|
| IRQ | JP5 | JP6 | JP7 | JP8 |
|---------+------------+------------+------------+-----------|
| 5 | Closed | Open | Open | Open |
|---------+------------+------------+------------+-----------|
| 6 | Open | Closed | Open | Open |
|---------+------------+------------+------------+-----------|
| 12 | Open | Open | Closed | Open |
|---------+------------+------------+------------+-----------|
| 15 | Open | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT ROM ADDRESS |
|------------------------------------------------------------|
| Address | JP9 | JP10 | JP11 | JP12 | JP13 |
|----------+---------+---------+---------+---------+---------|
| Disabled | Closed | Open | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| 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 | JP14 | JP15 | JP16 | JP17 |
|------------+-----------+-----------+-----------+-----------|
| D0000h | Closed | Open | Open | Open |
|------------+-----------+-----------+-----------+-----------|
| D4000h | Open | Closed | Open | Open |
|------------+-----------+-----------+-----------+-----------|
| D8000h | Open | Open | Closed | Open |
|------------+-----------+-----------+-----------+-----------|
| DC000h | Open | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SYSTEM ARCHITECTURE |
|------------------------------------------------------------|
| Setting | JP18 | JP19 |
|---------------------+-------------------+------------------|
| ยป | Compaq EISA | Pins 1 & 2 Closed | Pins 2 & 3 |
| | | | Closed |
|---+-----------------+-------------------+------------------|
| | IBM PC or PC XT | Pins 2 & 3 Closed | Pins 2 & 3 |
| | | | Closed |
|---+-----------------+-------------------+------------------|
| | Other | Pins 1 & 2 Closed | Pins 1 & 2 |
| | | | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CABLE TYPE |
|------------------------------------------------------------|
| Type | JP20 |
|----------------------------------+-------------------------|
| AUI transceiver via DB-15 port | Option 1 |
|----------------------------------+-------------------------|
| Shielded/Unshielded twisted pair | Option 2 |
|----------------------------------+-------------------------|
| RG--58A/U 50ohm coaxial | Option 3 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LINK INTEGRITY TEST |
|------------------------------------------------------------|
| Setting | JP21 |
|----------------------------+-------------------------------|
| Enabled | Pins 1 & 2 Closed |
|----------------------------+-------------------------------|
| Disabled | Pins 2 & 3 Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| Color | Status | Condition |
|-----------+-------------+----------------------------------|
| Green | On | Card is connected to the network |
|-----------+-------------+----------------------------------|
| Green | Blinking | Data is being received |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MISCELLANEOUS NOTES |
|------------------------------------------------------------|
| Not all cards have the LED indicator. |
+------------------------------------------------------------+