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# ADVANCED LOGIC RESEARCH, INC.
ALR/ENET-EBT
NIC Type Ethernet
Transfer Rate 10Mbps
Data Bus 8-bit ISA
Topology Linear Bus
Wiring Type AUI transceiver via DB-15 port
RG-58A/U 50ohm coaxial
Boot ROM Available
IMG IMG 1
+------------------------------------------------------------+
| CABLE TYPE |
|------------------------------------------------------------|
| Type | W3/A-F |
|---------------------------------------+--------------------|
| RG58A/U 50ohm coaxial | Closed |
|---------------------------------------+--------------------|
| AUI transceiver via DB-15 port | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ETHERNET REVISION |
|------------------------------------------------------------|
| Revision | W4 |
|-------------------------------+----------------------------|
| Rev. 1 | Closed |
|-------------------------------+----------------------------|
| IEEE (Rev. 2) and RG-58A | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SEGMENT LENGTH |
|------------------------------------------------------------|
| Length | W5 |
|-------------------------------+----------------------------|
| 185 meters | Closed |
|-------------------------------+----------------------------|
| 300 meters | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ROM SIZE |
|------------------------------------------------------------|
| Size | W6 | W9 | W10 |
|------+---------------------------+------------+------------|
| NONE | Pins 7 & 8, 9 & 10 closed | Pins 3 & 4 | Pins 3 & 4 |
| | | closed | closed |
|------+---------------------------+------------+------------|
| 16KB | Pins 7 & 8, 9 & 10 open | Pins 3 & 4 | Pins 3 & 4 |
| | | closed | closed |
|------+---------------------------+------------+------------|
| 32KB | Pins 7 & 8 closed, 9 & 10 | Pins 3 & 4 | Pins 1 & 2 |
| | open | closed | closed |
|------+---------------------------+------------+------------|
| 64KB | Pins 7 & 8 open, 9 & 10 | Pins 1 & 2 | Pins 1 & 2 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RAM BUFFER SIZE |
|------------------------------------------------------------|
| Size | W7 | W8 | W11 |
|------+-----------------+-----------------+-----------------|
| 8KB | Pins 3 & 4 | Pins 3 & 4 | Pins 2 & 3 |
| | closed | closed | closed |
|------+-----------------+-----------------+-----------------|
| 32KB | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| WAIT STATE CONFIGURATION |
|------------------------------------------------------------|
| Bus Speed | W1 |
|-------------------------------+----------------------------|
| 6MHz | Closed |
|-------------------------------+----------------------------|
| 8-16MHz | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SETTINGS |
|------------------------------------------------------------|
| IRQ | W2 |
|----------------------------+-------------------------------|
| 2 | Pins 11 & 12 closed |
|----------------------------+-------------------------------|
| 3 | Pins 9 & 10 closed |
|----------------------------+-------------------------------|
| 4 | Pins 7 & 8 closed |
|----------------------------+-------------------------------|
| 5 | Pins 5 & 6 closed |
|----------------------------+-------------------------------|
| 6 | Pins 3 & 4 closed |
|----------------------------+-------------------------------|
| 7 | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE I/O ADDRESS |
|------------------------------------------------------------|
| Address | W1, pins 3 | W1, pins 5 | W1, pins 7 | W1, pins |
| | & 4 | & 6 | & 8 | 9 & 10 |
|---------+------------+------------+------------+-----------|
| 200h | Closed | Closed | Closed | Closed |
|---------+------------+------------+------------+-----------|
| 220h | Open | Closed | Closed | Closed |
|---------+------------+------------+------------+-----------|
| 240h | Closed | Open | Closed | Closed |
|---------+------------+------------+------------+-----------|
| 260h | Open | Open | Closed | Closed |
|---------+------------+------------+------------+-----------|
| 280h | Closed | Closed | Open | Closed |
|---------+------------+------------+------------+-----------|
| 2A0h | Open | Closed | Open | Closed |
|---------+------------+------------+------------+-----------|
| 2C0h | Closed | Open | Open | Closed |
|---------+------------+------------+------------+-----------|
| 2E0h | Open | Open | Open | Closed |
|---------+------------+------------+------------+-----------|
| 300h | Closed | Closed | Closed | Open |
|---------+------------+------------+------------+-----------|
| 320h | Open | Closed | Closed | Open |
|---------+------------+------------+------------+-----------|
| 340h | Closed | Open | Closed | Open |
|---------+------------+------------+------------+-----------|
| 360h | Open | Open | Closed | Open |
|---------+------------+------------+------------+-----------|
| 380h | Closed | Closed | Open | Open |
|---------+------------+------------+------------+-----------|
| 3A0h | Open | Closed | Open | Open |
|---------+------------+------------+------------+-----------|
| 3C0h | Closed | Open | Open | Open |
|---------+------------+------------+------------+-----------|
| 3E0h | Open | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT ROM ADDRESS |
|------------------------------------------------------------|
| Address | Sizes | W6, pins 5 | W6, pins 3 | W6, pins |
| | Available | & 6 | & 4 | 1 & 2 |
|---------+-------------+------------+------------+----------|
| C8000h | 16K, 32K | Closed | Closed | Closed |
|---------+-------------+------------+------------+----------|
| CC000h | 16K | Closed | Closed | Open |
|---------+-------------+------------+------------+----------|
| D0000h | 16K, 32K, | Closed | Open | Closed |
| | 64K | | | |
|---------+-------------+------------+------------+----------|
| D4000h | 16K | Closed | Open | Open |
|---------+-------------+------------+------------+----------|
| D8000h | 16K, 32K | Open | Closed | Closed |
|---------+-------------+------------+------------+----------|
| DC000h | 16K | Open | Closed | Open |
+------------------------------------------------------------+