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# ALLIED TELESYN, INC.
AT-2000U
NIC Type Ethernet
Transfer Rate 10Mbps
Data Bus 8/16-bit ISA
Topology Star
Linear Bus
Wiring Type Unshielded twisted pair
RG-58A/U 50ohm coaxial
AUI transceiver via DB-15 port
Boot ROM Available
IMG IMG 1
+------------------------------------------------------------+
| CONNECTORS |
|------------------------------------------------------------|
| Location | Function |
|-----------------------+------------------------------------|
| JP13 | External activity LED connection |
|------------------------------------------------------------|
| Note:For external activity LED indications, please refer |
| to the Diagnostic LED table. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CABLE TYPE |
|------------------------------------------------------------|
| Type | JP1A - JP1F | JP16 |
|-------------------------------+-------------------+--------|
| » | Unshielded twisted pair | Pins 2 & 3 Closed | Closed |
|---+---------------------------+-------------------+--------|
| | RG-58A/U 50ohm coaxial | Pins 2 & 3 Closed | Open |
|---+---------------------------+-------------------+--------|
| | AUI transceiver via DB-15 | Pins 1 & 2 Closed | Open |
| | port | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ETHERNET VERSION |
|------------------------------------------------------------|
| Setting | JP5 |
|-----------------------------------+------------------------|
| » | Version 2 (IEEE 802.3) | Open |
|---+-------------------------------+------------------------|
| | Version 1 | Closed |
+------------------------------------------------------------+
+-------------------------------------------------------------+
| INTERRUPT REQUEST |
|-------------------------------------------------------------|
| IRQ | JP6A | JP6B | JP6C | JP6D | JP6E | JP6F | JP6G | JP6H |
|-----+------+------+------+------+------+------+------+------|
| |2/9| Open | Open | Open |Closed| Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------|
|»| 3 | Open | Open | Open | Open |Closed| Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------|
| | 4 | Open | Open | Open | Open | Open |Closed| Open | Open |
|-+---+------+------+------+------+------+------+------+------|
| | 5 | Open | Open | Open | Open | Open | Open |Closed| Open |
|-+---+------+------+------+------+------+------+------+------|
| | 7 | Open | Open | Open | Open | Open | Open | Open |Closed|
|-+---+------+------+------+------+------+------+------+------|
| |10 | Open | Open |Closed| Open | Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------|
| |11 | Open |Closed| Open | Open | Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------|
| |15 |Closed| Open | Open | Open | Open | Open | Open | Open |
+-------------------------------------------------------------+
+------------------------------------------------------------+
| WAIT STATE |
|------------------------------------------------------------|
| Setting | JP7 | JP12 |
|------------------------+-----------------+-----------------|
| » | 1 wait state | Open | Closed |
|---+--------------------+-----------------+-----------------|
| | 0 wait states | Closed | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT ROM |
|------------------------------------------------------------|
| Setting | JP8 |
|---------------------------------+--------------------------|
| » | Disabled | Open |
|---+-----------------------------+--------------------------|
| | Enabled | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O BASE ADDRESS |
|------------------------------------------------------------|
| Address | JP9A | JP9B | JP9C | JP9D |
|----------------+----------+----------+----------+----------|
| | 200-21Fh | Closed | Closed | Closed | Closed |
|---+------------+----------+----------+----------+----------|
| | 220-23Fh | Closed | Closed | Closed | Open |
|---+------------+----------+----------+----------+----------|
| | 240-25Fh | Closed | Closed | Open | Closed |
|---+------------+----------+----------+----------+----------|
| | 260-27Fh | Closed | Closed | Open | Open |
|---+------------+----------+----------+----------+----------|
| | 280-29Fh | Closed | Open | Closed | Closed |
|---+------------+----------+----------+----------+----------|
| | 2A0-2BFh | Closed | Open | Closed | Open |
|---+------------+----------+----------+----------+----------|
| | 2C0-2DFh | Closed | Open | Open | Closed |
|---+------------+----------+----------+----------+----------|
| | 2E0-2FFh | Closed | Open | Open | Open |
|---+------------+----------+----------+----------+----------|
| » | 300-31Fh | Open | Closed | Closed | Closed |
|---+------------+----------+----------+----------+----------|
| | 320-33Fh | Open | Closed | Closed | Open |
|---+------------+----------+----------+----------+----------|
| | 340-35Fh | Open | Closed | Open | Closed |
|---+------------+----------+----------+----------+----------|
| | 360-37Fh | Open | Closed | Open | Open |
|---+------------+----------+----------+----------+----------|
| | 380-39Fh | Open | Open | Closed | Closed |
|---+------------+----------+----------+----------+----------|
| | 3A0-3BFh | Open | Open | Closed | Open |
|---+------------+----------+----------+----------+----------|
| | 3C0-3DFh | Open | Open | Open | Closed |
|---+------------+----------+----------+----------+----------|
| | 3E0-3FFh | Open | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT ROM ADDRESS |
|------------------------------------------------------------|
| Address | JP10A | JP10B | JP10C | JP10D | JP10E | JP10F |
|----------+-------+--------+--------+-------+-------+-------|
| | C0000h | Open | Closed | Closed |Closed |Closed |Closed |
|-+--------+-------+--------+--------+-------+-------+-------|
| | C2000h | Open | Closed | Closed |Closed |Closed | Open |
|-+--------+-------+--------+--------+-------+-------+-------|
| | C4000h | Open | Closed | Closed |Closed | Open |Closed |
|-+--------+-------+--------+--------+-------+-------+-------|
| | C6000h | Open | Closed | Closed |Closed | Open | Open |
|-+--------+-------+--------+--------+-------+-------+-------|
|»| C8000h | Open | Closed | Closed | Open |Closed |Closed |
|-+--------+-------+--------+--------+-------+-------+-------|
| | CA000h | Open | Closed | Closed | Open |Closed | Open |
|-+--------+-------+--------+--------+-------+-------+-------|
| | CC000h | Open | Closed | Closed | Open | Open |Closed |
|-+--------+-------+--------+--------+-------+-------+-------|
| | CE000h | Open | Closed | Closed | Open | Open | Open |
|-+--------+-------+--------+--------+-------+-------+-------|
| | D0000h | Open | Closed | Open |Closed |Closed |Closed |
|-+--------+-------+--------+--------+-------+-------+-------|
| | D2000h | Open | Closed | Open |Closed |Closed | Open |
|-+--------+-------+--------+--------+-------+-------+-------|
| | D4000h | Open | Closed | Open |Closed | Open |Closed |
|-+--------+-------+--------+--------+-------+-------+-------|
| | D6000h | Open | Closed | Open |Closed | Open | Open |
|-+--------+-------+--------+--------+-------+-------+-------|
| | D8000h | Open | Closed | Open | Open |Closed |Closed |
|-+--------+-------+--------+--------+-------+-------+-------|
| | DA000h | Open | Closed | Open | Open |Closed | Open |
|-+--------+-------+--------+--------+-------+-------+-------|
| | DC000h | Open | Closed | Open | Open | Open |Closed |
|-+--------+-------+--------+--------+-------+-------+-------|
| | DE000h | Open | Closed | Open | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CARD EMULATION MODE |
|------------------------------------------------------------|
| Mode | JP11A |
|---------------------------------------+--------------------|
| » | NE2000 | Open |
|----------------+----------------------+--------------------|
| | NE1000 | Closed |
|------------------------------------------------------------|
| Note:If the card is installed in an 8-bit slot the mode |
| should be NE1000. |
| |
| If the card is installed in a 16-bit slot the mode should |
| be NE2000. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ONBOARD RAM |
|------------------------------------------------------------|
| Size | JP11C |
|-------------------------------+----------------------------|
| » | 16KB | Open |
|---+---------------------------+----------------------------|
| | 32KB | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT ROM SIZE |
|------------------------------------------------------------|
| Size | JP14A | JP14B | JP14C | JP15A | JP15B |
|----------+--------+--------+--------+-----------+----------|
| » | 8KB | Open | Open | Open | Pins 1 & | Pins 1 & |
| | | | | | 2 Closed | 2 Closed |
|---+------+--------+--------+--------+-----------+----------|
| | 16KB | Closed | Open | Open | Pins 1 & | Pins 1 & |
| | | | | | 2 Closed | 2 Closed |
|---+------+--------+--------+--------+-----------+----------|
| | 32KB | Open | Closed | Open | Pins 1 & | Pins 2 & |
| | | | | | 2 Closed | 3 Closed |
|---+------+--------+--------+--------+-----------+----------|
| | 64KB | Open | Open | Closed | Pins 2 & | Pins 2 & |
| | | | | | 3 Closed | 3 Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LINK INTEGRITY TEST |
|------------------------------------------------------------|
| Setting | JP17 |
|-------------------------------+----------------------------|
| » | Enabled | Pins 1 & 2 closed |
|-----------+-------------------+----------------------------|
| | Disabled | Pins 2 & 3 closed |
|------------------------------------------------------------|
| Note:The link integrity test is valid only when the cable |
| type is unshielded twisted pair. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA BUS SLOT |
|------------------------------------------------------------|
| Setting | JP18 |
|--------------------------------+---------------------------|
| » | 16-bit | Closed |
|---+----------------------------+---------------------------|
| | 8-bit | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BUS MASTER ENABLE |
|------------------------------------------------------------|
| Setting | JP19 |
|---------------------------------------+--------------------|
| » | Disabled | Open |
|---------------+-----------------------+--------------------|
| | Enabled | Closed |
|------------------------------------------------------------|
| Note:This option must be enabled if there is a bus master |
| card installed in the system. If JP19 is closed, JP18 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FACTORY CONFIGURED SETTING |
|------------------------------------------------------------|
| Jumper | Setting |
|-----------------------------+------------------------------|
| JP4 | Closed |
|-----------------------------+------------------------------|
| JP11B | Open |
|-----------------------------+------------------------------|
| JP11C | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|----------+-------+--------+--------------------------------|
| LED1 | Green | On | Twisted pair network |
| | | | connection is good |
|----------+-------+--------+--------------------------------|
| LED1 | Green | Off | Twisted pair network |
| | | | connection is broken |
|----------+-------+--------+--------------------------------|
| External | N/A | On | Data is being transmitted or |
| (JP13) | | | received |
|----------+-------+--------+--------------------------------|
| External | N/A | Off | Data is not being transmitted |
| (JP13) | | | or received |
|------------------------------------------------------------|
| Note:LED1 indications are only valid when the cable type |
| is twisted pair. |
+------------------------------------------------------------+