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# TIARA COMPUTER SYSTEMS, INC.
LanCard/E * AT LTP
NIC Type Ethernet
Transfer Rate 10Mbps
Data Bus 16-bit ISA
Topology Linear Bus
Star
Wiring Type Shielded twisted pair
Unshielded twisted pair
AUI transceiver via DB-15 port
Boot ROM Available
IMG IMG 1
+------------------------------------------------------------+
| CABLE TYPE |
|------------------------------------------------------------|
| Type | JP1 -JP8 |
|----------------------------------+-------------------------|
| Shielded/Unshielded twisted pair | Pins 1 & 2 closed |
|----------------------------------+-------------------------|
| AUI transceiver via DB-15 port | Pins 2 & 3 closed |
+------------------------------------------------------------+
+--------------------------------------------------------------------+
| INTERRUPT REQUEST |
|--------------------------------------------------------------------|
| IRQ | JP9 | JP10 | JP11 | JP12 | JP13 | JP14 | JP15 | JP16 | JP17 |
|-----+------+------+------+------+------+------+------+------+------|
| |2/9| Open | Open | Open | Open |Closed| Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------+------|
|»| 3 | Open | Open | Open | Open | Open |Closed| Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------+------|
| | 4 | Open | Open | Open | Open | Open | Open |Closed| Open | Open |
|-+---+------+------+------+------+------+------+------+------+------|
| | 5 | Open | Open | Open | Open | Open | Open | Open |Closed| Open |
|-+---+------+------+------+------+------+------+------+------+------|
| | 7 | Open | Open | Open | Open | Open | Open | Open | Open |Closed|
|-+---+------+------+------+------+------+------+------+------+------|
| |10 | Open | Open | Open |Closed| Open | Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------+------|
| |11 | Open | Open |Closed| Open | Open | Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------+------|
| |12 | Open |Closed| Open | Open | Open | Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------+------|
| |15 |Closed| Open | Open | Open | Open | Open | Open | Open | Open |
+--------------------------------------------------------------------+
+------------------------------------------------------------+
| I/O BASE ADDRESS |
|------------------------------------------------------------|
| Address | JPA | JPB | JPC | JPD | JPE |
|------------+-----------+--------+--------+--------+--------|
| | 000h | Pins 2 & | Pins 2 | Pins 2 | Pins 2 | Pins 2 |
| | | 3 | & 3 | & 3 | & 3 | & 3 |
|----+-------+-----------+--------+--------+--------+--------|
| | 020h | Pins 1 & | Pins 2 | Pins 2 | Pins 2 | Pins 2 |
| | | 2 | & 3 | & 3 | & 3 | & 3 |
|----+-------+-----------+--------+--------+--------+--------|
| | 040h | Pins 2 & | Pins 1 | Pins 2 | Pins 2 | Pins 2 |
| | | 3 | & 2 | & 3 | & 3 | & 3 |
|----+-------+-----------+--------+--------+--------+--------|
| | 060h | Pins 1 & | Pins 1 | Pins 2 | Pins 2 | Pins 2 |
| | | 2 | & 2 | & 3 | & 3 | & 3 |
|----+-------+-----------+--------+--------+--------+--------|
| | 080h | Pins 2 & | Pins 2 | Pins 1 | Pins 2 | Pins 2 |
| | | 3 | & 3 | & 2 | & 3 | & 3 |
|----+-------+-----------+--------+--------+--------+--------|
| | 0A0h | Pins 1 & | Pins 2 | Pins 1 | Pins 2 | Pins 2 |
| | | 2 | & 3 | & 2 | & 3 | & 3 |
|----+-------+-----------+--------+--------+--------+--------|
| | 0C0h | Pins 2 & | Pins 1 | Pins 1 | Pins 2 | Pins 2 |
| | | 3 | & 2 | & 2 | & 3 | & 3 |
|----+-------+-----------+--------+--------+--------+--------|
| | 0E0h | Pins 1 & | Pins 1 | Pins 1 | Pins 2 | Pins 2 |
| | | 2 | & 2 | & 2 | & 3 | & 3 |
|----+-------+-----------+--------+--------+--------+--------|
| | 100h | Pins 2 & | Pins 2 | Pins 2 | Pins 1 | Pins 2 |
| | | 3 | & 3 | & 3 | & 2 | & 3 |
|----+-------+-----------+--------+--------+--------+--------|
| | 120h | Pins 1 & | Pins 2 | Pins 2 | Pins 1 | Pins 2 |
| | | 2 | & 3 | & 3 | & 2 | & 3 |
|----+-------+-----------+--------+--------+--------+--------|
| | 140h | Pins 2 & | Pins 1 | Pins 2 | Pins 1 | Pins 2 |
| | | 3 | & 2 | & 3 | & 2 | & 3 |
|----+-------+-----------+--------+--------+--------+--------|
| | 160h | Pins 1 & | Pins 1 | Pins 2 | Pins 1 | Pins 2 |
| | | 2 | & 2 | & 3 | & 2 | & 3 |
|----+-------+-----------+--------+--------+--------+--------|
| | 180h | Pins 2 & | Pins 2 | Pins 1 | Pins 1 | Pins 2 |
| | | 3 | & 3 | & 2 | & 2 | & 3 |
|----+-------+-----------+--------+--------+--------+--------|
| | 1A0h | Pins 1 & | Pins 2 | Pins 1 | Pins 1 | Pins 2 |
| | | 2 | & 3 | & 2 | & 2 | & 3 |
|----+-------+-----------+--------+--------+--------+--------|
| | 1C0h | Pins 2 & | Pins 1 | Pins 1 | Pins 1 | Pins 2 |
| | | 3 | & 2 | & 2 | & 2 | & 3 |
|----+-------+-----------+--------+--------+--------+--------|
| | 1E0h | Pins 1 & | Pins 1 | Pins 1 | Pins 1 | Pins 2 |
| | | 2 | & 2 | & 2 | & 2 | & 3 |
|----+-------+-----------+--------+--------+--------+--------|
| | 200h | Pins 2 & | Pins 2 | Pins 2 | Pins 2 | Pins 1 |
| | | 3 | & 3 | & 3 | & 3 | & 2 |
|----+-------+-----------+--------+--------+--------+--------|
| | 220h | Pins 1 & | Pins 2 | Pins 2 | Pins 2 | Pins 1 |
| | | 2 | & 3 | & 3 | & 3 | & 2 |
|----+-------+-----------+--------+--------+--------+--------|
| | 240h | Pins 2 & | Pins 1 | Pins 2 | Pins 2 | Pins 1 |
| | | 3 | & 2 | & 3 | & 3 | & 2 |
|----+-------+-----------+--------+--------+--------+--------|
| | 260h | Pins 1 & | Pins 1 | Pins 2 | Pins 2 | Pins 1 |
| | | 2 | & 2 | & 3 | & 3 | & 2 |
|----+-------+-----------+--------+--------+--------+--------|
| | 280h | Pins 2 & | Pins 2 | Pins 1 | Pins 2 | Pins 1 |
| | | 3 | & 3 | & 2 | & 3 | & 2 |
|----+-------+-----------+--------+--------+--------+--------|
| | 2A0h | Pins 1 & | Pins 2 | Pins 1 | Pins 2 | Pins 1 |
| | | 2 | & 3 | & 2 | & 3 | & 2 |
|----+-------+-----------+--------+--------+--------+--------|
| | 2C0h | Pins 2 & | Pins 1 | Pins 1 | Pins 2 | Pins 1 |
| | | 3 | & 2 | & 2 | & 3 | & 2 |
|----+-------+-----------+--------+--------+--------+--------|
| | 2E0h | Pins 1 & | Pins 1 | Pins 1 | Pins 2 | Pins 1 |
| | | 2 | & 2 | & 2 | & 3 | & 2 |
|----+-------+-----------+--------+--------+--------+--------|
| » | 300h | Pins 2 & | Pins 2 | Pins 2 | Pins 1 | Pins 1 |
| | | 3 | & 3 | & 3 | & 2 | & 2 |
|----+-------+-----------+--------+--------+--------+--------|
| | 320h | Pins 1 & | Pins 2 | Pins 2 | Pins 1 | Pins 1 |
| | | 2 | & 3 | & 3 | & 2 | & 2 |
|----+-------+-----------+--------+--------+--------+--------|
| | 340h | Pins 2 & | Pins 1 | Pins 2 | Pins 1 | Pins 1 |
| | | 3 | & 2 | & 3 | & 2 | & 2 |
|----+-------+-----------+--------+--------+--------+--------|
| | 360h | Pins 1 & | Pins 1 | Pins 2 | Pins 1 | Pins 1 |
| | | 2 | & 2 | & 3 | & 2 | & 2 |
|----+-------+-----------+--------+--------+--------+--------|
| | 380h | Pins 2 & | Pins 2 | Pins 1 | Pins 1 | Pins 1 |
| | | 3 | & 3 | & 2 | & 2 | & 2 |
|----+-------+-----------+--------+--------+--------+--------|
| | 3A0h | Pins 1 & | Pins 2 | Pins 1 | Pins 1 | Pins 1 |
| | | 2 | & 3 | & 2 | & 2 | & 2 |
|------------------------------------------------------------|
| Note:Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT ROM SIZE |
|------------------------------------------------------------|
| Size | JPF | JPG | JPH |
|------------------+---------------+------------+------------|
| » | 2764 (8KB) | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 |
| | | closed | closed | closed |
|---+--------------+---------------+------------+------------|
| | 27128 (16KB) | Pins 2 & 3 | Pins 2 & 3 | Pins 1 & 2 |
| | | closed | closed | closed |
|---+--------------+---------------+------------+------------|
| | 27256 (32KB) | Pins 2 & 3 | Pins 1 & 2 | Pins 1 & 2 |
| | | closed | closed | closed |
|---+--------------+---------------+------------+------------|
| | 27512 (64KB) | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 |
| | | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE MEMORY ADDRESS |
|------------------------------------------------------------|
| Base Address | ROM | JPI | JPJ | JPK | JPL |
| | Size | | | | |
|--------------+--------+---------+--------+--------+--------|
| C000h | 8KB | Pins 2 | Pins 2 | Pins 2 | Pins 2 |
| | | & 3 | & 3 | & 3 | & 3 |
|--------------+--------+---------+--------+--------+--------|
| C200h | 8KB | Pins 1 | Pins 2 | Pins 2 | Pins 2 |
| | | & 2 | & 3 | & 3 | & 3 |
|--------------+--------+---------+--------+--------+--------|
| C400h | 8KB | Pins 2 | Pins 1 | Pins 2 | Pins 2 |
| | | & 3 | & 2 | & 3 | & 3 |
|--------------+--------+---------+--------+--------+--------|
| C600h | 8KB | Pins 1 | Pins 1 | Pins 2 | Pins 2 |
| | | & 2 | & 2 | & 3 | & 3 |
|--------------+--------+---------+--------+--------+--------|
| C800h | 8KB | Pins 2 | Pins 2 | Pins 1 | Pins 2 |
| | | & 3 | & 3 | & 2 | & 3 |
|--------------+--------+---------+--------+--------+--------|
| CA00h | 8KB | Pins 1 | Pins 2 | Pins 1 | Pins 2 |
| | | & 2 | & 3 | & 2 | & 3 |
|--------------+--------+---------+--------+--------+--------|
| CC00h | 8KB | Pins 2 | Pins 1 | Pins 1 | Pins 2 |
| | | & 3 | & 2 | & 2 | & 3 |
|--------------+--------+---------+--------+--------+--------|
| CE00h | 8KB | Pins 1 | Pins 1 | Pins 1 | Pins 2 |
| | | & 2 | & 2 | & 2 | & 3 |
|--------------+--------+---------+--------+--------+--------|
| D000h | 8KB | Pins 2 | Pins 2 | Pins 2 | Pins 1 |
| | | & 3 | & 3 | & 3 | & 2 |
|--------------+--------+---------+--------+--------+--------|
| D200h | 8KB | Pins 1 | Pins 2 | Pins 2 | Pins 1 |
| | | & 2 | & 3 | & 3 | & 2 |
|--------------+--------+---------+--------+--------+--------|
| D400h | 8KB | Pins 2 | Pins 1 | Pins 2 | Pins 1 |
| | | & 3 | & 2 | & 3 | & 2 |
|--------------+--------+---------+--------+--------+--------|
| D600h | 8KB | Pins 1 | Pins 1 | Pins 2 | Pins 1 |
| | | & 2 | & 2 | & 3 | & 2 |
|--------------+--------+---------+--------+--------+--------|
| D800h | 8KB | Pins 2 | Pins 2 | Pins 1 | Pins 1 |
| | | & 3 | & 3 | & 2 | & 2 |
|--------------+--------+---------+--------+--------+--------|
| DA00h | 8KB | Pins 1 | Pins 2 | Pins 1 | Pins 1 |
| | | & 2 | & 3 | & 2 | & 2 |
|--------------+--------+---------+--------+--------+--------|
| DC00h | 8KB | Pins 2 | Pins 1 | Pins 1 | Pins 1 |
| | | & 3 | & 2 | & 2 | & 2 |
|--------------+--------+---------+--------+--------+--------|
| DE00h | 8KB | Pins 1 | Pins 1 | Pins 1 | Pins 1 |
| | | & 2 | & 2 | & 2 | & 2 |
|--------------+--------+---------+--------+--------+--------|
| C000h | 16KB | N/A | Pins 2 | Pins 2 | Pins 2 |
| | | | & 3 | & 3 | & 3 |
|--------------+--------+---------+--------+--------+--------|
| C400h | 16KB | N/A | Pins 1 | Pins 2 | Pins 2 |
| | | | & 2 | & 3 | & 3 |
|--------------+--------+---------+--------+--------+--------|
| C800h | 16KB | N/A | Pins 2 | Pins 1 | Pins 2 |
| | | | & 3 | & 2 | & 3 |
|--------------+--------+---------+--------+--------+--------|
| CC00h | 16KB | N/A | Pins 1 | Pins 1 | Pins 2 |
| | | | & 2 | & 2 | & 3 |
|--------------+--------+---------+--------+--------+--------|
| D000h | 16KB | N/A | Pins 2 | Pins 2 | Pins 1 |
| | | | & 3 | & 3 | & 2 |
|--------------+--------+---------+--------+--------+--------|
| D400h | 16KB | N/A | Pins 1 | Pins 2 | Pins 1 |
| | | | & 2 | & 3 | & 2 |
|--------------+--------+---------+--------+--------+--------|
| D800h | 16KB | N/A | Pins 2 | Pins 1 | Pins 1 |
| | | | & 3 | & 2 | & 2 |
|--------------+--------+---------+--------+--------+--------|
| DC00h | 16KB | N/A | Pins 1 | Pins 1 | Pins 1 |
| | | | & 2 | & 2 | & 2 |
|--------------+--------+---------+--------+--------+--------|
| C000h | 32KB | N/A | N/A | Pins 2 | Pins 2 |
| | | | | & 3 | & 3 |
|--------------+--------+---------+--------+--------+--------|
| C800h | 32KB | N/A | N/A | Pins 1 | Pins 2 |
| | | | | & 2 | & 3 |
|--------------+--------+---------+--------+--------+--------|
| D000h | 32KB | N/A | N/A | Pins 2 | Pins 1 |
| | | | | & 3 | & 2 |
|--------------+--------+---------+--------+--------+--------|
| D800h | 32KB | N/A | N/A | Pins 1 | Pins 1 |
| | | | | & 2 | & 2 |
|--------------+--------+---------+--------+--------+--------|
| C000h | 64KB | N/A | N/A | N/A | Pins 2 |
| | | | | | & 3 |
|--------------+--------+---------+--------+--------+--------|
| D000h | 64KB | N/A | N/A | N/A | Pins 1 |
| | | | | | & 2 |
|------------------------------------------------------------|
| Note:Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT ROM |
|------------------------------------------------------------|
| Setting | JPM |
|-----------------------------+------------------------------|
| » | Disabled | Pins 2 & 3 closed |
|----------+------------------+------------------------------|
| | Enabled | Pins 1 & 2 closed |
|------------------------------------------------------------|
| Note:Jumpers JPN, JPO, and JPP are reserved for future |
| Boot ROM options, and Pins 1 & 2 should remain closed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Status | Condition |
|--------------+---------------+-----------------------------|
| LED1 | On | Power on |
|--------------+---------------+-----------------------------|
| LED1 | Off | Power off |
|--------------+---------------+-----------------------------|
| LED2 | On | Network connection is good |
|--------------+---------------+-----------------------------|
| LED2 | Off | Network connecton is broken |
+------------------------------------------------------------+