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# SYNAPSE TECHNOLOGIES, INC.
TROPIC 4/16 TOKEN RING
NIC Type Token Ring
Network Transfer Rate 4/16Mbps
Data Bus 16-bit ISA
Topology Ring
Wiring Type Shielded twisted pair
Unshielded twisted pair
Boot ROM Not available
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------+-------+-------------------------+-------|
| Shielded twisted | CN1 | Unshielded twisted pair | CN2 |
| pair | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-----------------------------------------+-------+----------|
| » | External BIOS RPL enabled | J1 | Closed |
|---+-------------------------------------+-------+----------|
| | External BIOS RPL disabled | J1 | Open |
|---+-------------------------------------+-------+----------|
| » | Primary address selected | S2/1 | Off |
|---+-------------------------------------+-------+----------|
| | Secondary address selected | S2/1 | On |
|---+-------------------------------------+-------+----------|
| » | 8 bit or 16 bit auto-sense selected | S2/2 | Off |
|---+-------------------------------------+-------+----------|
| | Force 8 bit bus use | S2/2 | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| NETWORK SPEED SELECTION |
|------------------------------------------------------------|
| Speed | S2/3 |
|----------------------------------+-------------------------|
| | 4Mbps | Off |
|-----+----------------------------+-------------------------|
| » | 16Mbps | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE I/O ADDRESS SELECTION |
|------------------------------------------------------------|
| Address | S1/1 | S1/2 | S1/3 | S1/4 | S1/5 | S1/6 |
|---------+--------+--------+--------+-------+-------+-------|
| CC000h | On | Off | Off | On | On | Off |
|---------+--------+--------+--------+-------+-------+-------|
| DC000h | On | Off | On | On | On | Off |
|---------+--------+--------+--------+-------+-------+-------|
| A0000h | Off | On | Off | Off | Off | Off |
|---------+--------+--------+--------+-------+-------+-------|
| A2000h | Off | On | Off | Off | Off | On |
|---------+--------+--------+--------+-------+-------+-------|
| A4000h | Off | On | Off | Off | On | Off |
|---------+--------+--------+--------+-------+-------+-------|
| F4000h | On | On | On | Off | On | Off |
|---------+--------+--------+--------+-------+-------+-------|
| F6000h | On | On | On | Off | On | On |
|---------+--------+--------+--------+-------+-------+-------|
| F8000h | On | On | On | On | Off | Off |
|---------+--------+--------+--------+-------+-------+-------|
| FA000h | On | On | On | On | Off | On |
|---------+--------+--------+--------+-------+-------+-------|
| FE000h | On | On | On | On | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | S2/4 | S2/5 |
|--------------------+-------------------+-------------------|
| » | 2 | Off | Off |
|---+----------------+-------------------+-------------------|
| | 3 | Off | On |
|---+----------------+-------------------+-------------------|
| | 6 | On | Off |
|---+----------------+-------------------+-------------------|
| | 7 | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SHARED RAM SIZE SELECTION |
|------------------------------------------------------------|
| Size | S1/7 | S1/8 |
|-----------------------+------------------+-----------------|
| | 8KB | Off | Off |
|----+------------------+------------------+-----------------|
| » | 16KB | Off | On |
|----+------------------+------------------+-----------------|
| | 32KB | On | Off |
|----+------------------+------------------+-----------------|
| | 64KB | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|---------+--------+---------+-------------------------------|
| LED1 | Red | On | 16Mbps ring speed operation |
|---------+--------+---------+-------------------------------|
| LED1 | Red | Off | 4Mbps ring speed operation |
|---------+--------+---------+-------------------------------|
| LED2 | Green | On | Network connection is good |
|---------+--------+---------+-------------------------------|
| LED2 | Green | Off | Network connection is broken |
|------------------------------------------------------------|
| Note: The location of LED1 and LED2 are unidentified |
+------------------------------------------------------------+