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# ACCTON TECHNOLOGY CORPORATION
RINGPAIR-4/16T (TR1615 REV. 2)
NIC Type Token Ring
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
+------------------------------------------------------------+
| BASE MEMORY ADDRESS |
|------------------------------------------------------------|
| Address | SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 | SW1/6 |
|------------+-------+-------+-------+-------+-------+-------|
| » | CC000h | On | Off | Off | On | On | Off |
|---+--------+-------+-------+-------+-------+-------+-------|
| | C0000h | On | Off | Off | Off | Off | Off |
|---+--------+-------+-------+-------+-------+-------+-------|
| | C2000h | On | Off | Off | Off | Off | On |
|---+--------+-------+-------+-------+-------+-------+-------|
| | C4000h | On | Off | Off | Off | On | Off |
|---+--------+-------+-------+-------+-------+-------+-------|
| | C6000h | On | Off | Off | Off | On | On |
|---+--------+-------+-------+-------+-------+-------+-------|
| | C8000h | On | Off | Off | On | Off | Off |
|---+--------+-------+-------+-------+-------+-------+-------|
| | CA000h | On | Off | Off | On | Off | On |
|---+--------+-------+-------+-------+-------+-------+-------|
| | CE000h | On | Off | Off | On | On | On |
|---+--------+-------+-------+-------+-------+-------+-------|
| | DC000h | On | Off | On | On | On | Off |
|---+--------+-------+-------+-------+-------+-------+-------|
| | D0000h | On | Off | On | Off | Off | Off |
|---+--------+-------+-------+-------+-------+-------+-------|
| | D2000h | On | Off | On | Off | Off | On |
|---+--------+-------+-------+-------+-------+-------+-------|
| | D4000h | On | Off | On | Off | On | Off |
|---+--------+-------+-------+-------+-------+-------+-------|
| | D6000h | On | Off | On | Off | On | On |
|---+--------+-------+-------+-------+-------+-------+-------|
| | D8000h | On | Off | On | On | Off | Off |
|---+--------+-------+-------+-------+-------+-------+-------|
| | DA000h | On | Off | On | On | Off | On |
|---+--------+-------+-------+-------+-------+-------+-------|
| | DE000h | On | Off | On | On | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SELECT |
|------------------------------------------------------------|
| IRQ | SW1/7 | SW1/8 |
|----------------+---------------------+---------------------|
| » | IRQ3 | Off | On |
|---+------------+---------------------+---------------------|
| | IRQ2 | Off | Off |
|---+------------+---------------------+---------------------|
| | IRQ6 | On | Off |
|---+------------+---------------------+---------------------|
| | IRQ7 | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PRIMARY/ALTERNATE ADAPTER |
|------------------------------------------------------------|
| Setting | SW1/9 |
|------------------------------------------+-----------------|
| » | 4/16T as primary or sole LAN adapter | Off |
|---+--------------------------------------+-----------------|
| | 4/16T as alternate LAN adapter | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SHARED RAM |
|------------------------------------------------------------|
| Setting | SW1/10 | SW1/11 |
|------------------------+-----------------+-----------------|
| » | 16KB shared RAM | Off | On |
|---+--------------------+-----------------+-----------------|
| | 8KB shared RAM | Off | Off |
|---+--------------------+-----------------+-----------------|
| | 32KB shared RAM | On | Off |
|---+--------------------+-----------------+-----------------|
| | 64KB shared RAM | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA BUS TRANSFER RATE |
|------------------------------------------------------------|
| Setting | SW1/12 |
|------------------------------+-----------------------------|
| 16Mbps | Off |
|------------------------------+-----------------------------|
| 4Mbps | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BUS WIDTH |
|------------------------------------------------------------|
| Setting | JP10 |
|-------------------------------+----------------------------|
| 8-bit bus width enabled | Pins 2 & 3 closed |
|-------------------------------+----------------------------|
| 16-bit bus width enabled | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|---------+---------+------------+---------------------------|
| LED1 | Green | On | 16Mbps transmission speed |
|---------+---------+------------+---------------------------|
| LED1 | Red | On | 4Mbps transmission speed |
+------------------------------------------------------------+