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# INFORMTECH INTERNATIONAL, INC.
IT-NE20
NIC Type Ethernet
Transfer Rate 10Mbps
Data Bus 16-bit ISA
Topology Linear bus
Wiring Type AUI transceiver via DB-15 port
RG-58A/U 50ohm coaxial
Boot ROM Available
IMG IMG 1
+------------------------------------------------------------+
| INTERRUPT SELECT |
|------------------------------------------------------------|
| IRQ | JP6/A | JP6/B | JP6/C | JP6/D | JP6/E | JP6/F |
|----------+--------+--------+-------+-------+-------+-------|
|»| IRQ3 | Open | Closed | Open | Open | Open | Open |
|-+--------+--------+--------+-------+-------+-------+-------|
| |IR/FONT>| Closed | Open | Open | Open | Open | Open |
|-+--------+--------+--------+-------+-------+-------+-------|
| | IRQ4 | Open | Open |Closed | Open | Open | Open |
|-+--------+--------+--------+-------+-------+-------+-------|
| | IRQ5 | Open | Open | Open |Closed | Open | Open |
|-+--------+--------+--------+-------+-------+-------+-------|
| | IRQ6 | Open | Open | Open | Open |Closed | Open |
|-+--------+--------+--------+-------+-------+-------+-------|
| | IRQ7 | Open | Open | Open | Open | Open |Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O ADDRESS SELECT |
|------------------------------------------------------------|
| Address | JP7/A | JP7/B | JP7/C |
|----------------+--------------+--------------+-------------|
| » | 300h | Closed | Open | Closed |
|---+------------+--------------+--------------+-------------|
| | 200h | Open | Open | Open |
|---+------------+--------------+--------------+-------------|
| | 240h | Open | Closed | Open |
|---+------------+--------------+--------------+-------------|
| | 280h | Closed | Closed | Open |
|---+------------+--------------+--------------+-------------|
| | 2A0h | Open | Open | Closed |
|---+------------+--------------+--------------+-------------|
| | 320h | Closed | Open | Open |
|---+------------+--------------+--------------+-------------|
| | 340h | Open | Closed | Closed |
|---+------------+--------------+--------------+-------------|
| | 360h | Closed | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CABLE TYPE |
|------------------------------------------------------------|
| Type | JP9/A | JP9/B | JP9/C | JP9/D | JP9/E | JP9/F |
|-----------+--------+-------+-------+-------+-------+-------|
| Thick | Open | Open | Open | Open | Open | Open |
| Ethernet | | | | | | |
|-----------+--------+-------+-------+-------+-------+-------|
| Thin | Pins 1 | Pins | Pins | Pins | Pins | Pins |
| Ethernet | & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|------------------------------------------------------------|
| Note: All pins designated should be in the closed |
| position. |
+------------------------------------------------------------+
+----------------------------------------------------------------+
| BASE MEMORY ADDRESS SELECT |
|----------------------------------------------------------------|
|Address |JP8/A |JP8/B |JP8/C |JP8/D |JP8/E |JP8/F |JP8/G |JP8/H |
|--------+------+------+------+------+------+------+------+------|
|»|C8000h| Open | Open |Closed| Open | Open | Open | Open | Open |
|-+------+------+------+------+------+------+------+------+------|
| |C0000h|Closed| Open | Open | Open | Open | Open | Open | Open |
|-+------+------+------+------+------+------+------+------+------|
| |C4000h| Open |Closed| Open | Open | Open | Open | Open | Open |
|-+------+------+------+------+------+------+------+------+------|
| |CC000h| Open | Open | Open |Closed| Open | Open | Open | Open |
|-+------+------+------+------+------+------+------+------+------|
| |D0000h| Open | Open | Open | Open |Closed| Open | Open | Open |
|-+------+------+------+------+------+------+------+------+------|
| |D4000h| Open | Open | Open | Open | Open |Closed| Open | Open |
|-+------+------+------+------+------+------+------+------+------|
| |D8000h| Open | Open | Open | Open | Open | Open |Closed| Open |
|-+------+------+------+------+------+------+------+------+------|
| |DC000h| Open | Open | Open | Open | Open | Open | Open |Closed|
+----------------------------------------------------------------+