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# ALTA RESEARCH CORPORATION
ETHERCOMBO-16 T(VERSION 1.0)
NIC Type Ethernet
Transfer Rate 10Mbps
Data Bus 8/16-bit ISA
Topology Star
Wiring Type Unshielded twisted pair
Boot ROM Available
IMG IMG 1
+------------------------------------------------------------+
| I/O BASE ADDRESS AND BOOT ROM ADDRESS |
|------------------------------------------------------------|
| I/O Address | Boot ROM Address | JP1A | JP1B |
|-----------------+------------------+-----------+-----------|
| » | 300-31Fh | C8000h | Closed | Closed |
|---+-------------+------------------+-----------+-----------|
| | 320-33Fh | CC000h | Open | Closed |
|---+-------------+------------------+-----------+-----------|
| | 340-35Fh | D0000h | Closed | Open |
|---+-------------+------------------+-----------+-----------|
| | 360-37Fh | D4000h | Open | Open |
+------------------------------------------------------------+
+---------------------------------------------------------------------------+
| INTERRUPT REQUEST |
|---------------------------------------------------------------------------|
| IRQ | JP1C | JP1D | JP1E | JP1F | JP1G | JP2A | JP2B | JP2C | JP2D | JP2E |
|-----+------+------+------+------+------+------+------+------+------+------|
| |2/9|Closed| Open | Open | Open | Open | Open | Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------+------+------|
|»| 3 | Open |Closed| Open | Open | Open | Open | Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------+------+------|
| | 4 | Open | Open |Closed| Open | Open | Open | Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------+------+------|
| | 5 | Open | Open | Open |Closed| Open | Open | Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------+------+------|
| | 7 | Open | Open | Open | Open |Closed| Open | Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------+------+------|
| |10 | Open | Open | Open | Open | Open | Open | Open | Open | Open |Closed|
|-+---+------+------+------+------+------+------+------+------+------+------|
| |11 | Open | Open | Open | Open | Open | Open | Open | Open |Closed| Open |
|-+---+------+------+------+------+------+------+------+------+------+------|
| |12 | Open | Open | Open | Open | Open | Open | Open |Closed| Open | Open |
|-+---+------+------+------+------+------+------+------+------+------+------|
| |14 | Open | Open | Open | Open | Open |Closed| Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------+------+------|
| |15 | Open | Open | Open | Open | Open | Open |Closed| Open | Open | Open |
+---------------------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT ROM |
|------------------------------------------------------------|
| Setting | JP3 |
|----------------------------+-------------------------------|
| » | Disabled | Pins 2 & 3 closed |
|---+------------------------+-------------------------------|
| | Enabled | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| NETWORK STANDARD |
|------------------------------------------------------------|
| Standard | JP5 |
|------------------------------+-----------------------------|
| » | 802.3 IEEE | Pins 1 & 2 closed |
|----------+-------------------+-----------------------------|
| | 802.2 IEEE | Pins 2 & 3 closed |
|------------------------------------------------------------|
| Note:The 802.2 IEEE setting allows the card to act as a |
| bridge between an Ethernet PC network and a |
+------------------------------------------------------------+
+------------------------------------------------------------+
| POLARITY LED CONFIGURATION |
|------------------------------------------------------------|
| Setting | LED4 | Condition | JP6A & JP6B |
|----------------+--------+-------------------+--------------|
| » | Normal | On | Polarity reversed | Pins 1 & 2 |
| | | | & corrected | closed |
|----+-----------+--------+-------------------+--------------|
| | | Off | Polarity correct | |
|----+-----------+--------+-------------------+--------------|
| | Reversed | On | Polarity correct | Pins 2 & 3 |
| | | | | closed |
|----+-----------+--------+-------------------+--------------|
| | | Off | Polarity reversed | |
| | | | & corrected | |
|------------------------------------------------------------|
| Note:Changing this option to reversed does not reverse the |
| polarity of the twisted pair wires, that is done |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMPATIBILITY MODE |
|------------------------------------------------------------|
| Setting | JP7 |
|---------------------------------------+--------------------|
| » | Disabled | Closed |
|---------------+-----------------------+--------------------|
| | Enabled | Open |
|------------------------------------------------------------|
| Note:If the system in which the card is to be installed is |
| an 80286 using an older C & T or VLSI chipset and the |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|---------+----------+----------+----------------------------|
| LED2 | Red | On | Data is being transmitted |
| | | | or received |
|---------+----------+----------+----------------------------|
| LED2 | Red | Off | Data is not being |
| | | | transmitted or received |
|---------+----------+----------+----------------------------|
| LED3 | Red | On | Collision detected on |
| | | | network |
|---------+----------+----------+----------------------------|
| LED3 | Red | Off | No collisions detected on |
| | | | network |
|------------------------------------------------------------|
| Note:For the function of LED4, please see the Polarity LED |
| Configuration table. |
+------------------------------------------------------------+