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# MADGE NETWORKS, LTD.
SMART 16/4 AT BRIDGENODE
NIC Type Token Ring
Transfer Rate 4/16 Mbps
Data Bus 16-bit ISA
Topology Ring
Wiring Type AUI trasceiver via DB-15 port
Shielded twisted pair
Unshielded twisted pair
Boot ROM Available
IMG IMG 1
+------------------------------------------------------------+
| INTERRUPT SELECT |
|------------------------------------------------------------|
| IRQ |SW1/1 |SW1/2 |SW1/3|SW1/4|SW1/5|SW1/6|SW1/7|SW1/8|
|----------+------+------+-----+-----+-----+-----+-----+-----|
|»| IRQ3 | Off | Off | Off | Off | Off | Off | On | Off |
|-+--------+------+------+-----+-----+-----+-----+-----+-----|
| |IR/FONT>| Off | Off | Off | Off | Off | Off | Off | On |
|-+--------+------+------+-----+-----+-----+-----+-----+-----|
| | IRQ5 | Off | Off | Off | Off | Off | On | Off | Off |
|-+--------+------+------+-----+-----+-----+-----+-----+-----|
| | IRQ7 | Off | Off | Off | Off | On | Off | Off | Off |
|-+--------+------+------+-----+-----+-----+-----+-----+-----|
| | IRQ10 | Off | Off | Off | On | Off | Off | Off | Off |
|-+--------+------+------+-----+-----+-----+-----+-----+-----|
| | IRQ11 | Off | Off | On | Off | Off | Off | Off | Off |
|-+--------+------+------+-----+-----+-----+-----+-----+-----|
| | IRQ12 | Off | On | Off | Off | Off | Off | Off | Off |
|-+--------+------+------+-----+-----+-----+-----+-----+-----|
| | IRQ15 | On | Off | Off | Off | Off | Off | Off | Off |
|------------------------------------------------------------|
|Note: Switch 1 is a slide switch, which allows only one |
|position to be ‘on’ at a given time. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ADDRESS SELECT |
|------------------------------------------------------------|
| I/O Address | Base Memory Address | SW2/1 | SW2/2 |
|-------------------+---------------------+---------+--------|
| » | 0A20 - 02AFh | CC00O - CDFFFh | On | On |
|---+---------------+---------------------+---------+--------|
| | 1A20 - 1A2Fh | DC000 - DDFFFh | Off | On |
|---+---------------+---------------------+---------+--------|
| | 2A20 - 2A2Fh | CE000 - CFFFFh | On | Off |
|---+---------------+---------------------+---------+--------|
| | 3A20 - 3A2Fh | DE000 - DFFFFh | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT ROM |
|------------------------------------------------------------|
| Setting | SW2/3 |
|---------------------------------+--------------------------|
| » | Disabled | Off |
|---+-----------------------------+--------------------------|
| | Enabled | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BUSMASTER DMA |
|------------------------------------------------------------|
| Setting | SW2/4 |
|---------------------------------+--------------------------|
| » | Enabled | On |
|---+-----------------------------+--------------------------|
| | Disabled | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BUS AUTODETECT |
|------------------------------------------------------------|
| Setting | SW2/5 |
|-----------------------------------+------------------------|
| » | Enabled | On |
|---+-------------------------------+------------------------|
| | Disabled(Force 8-bit) | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BUS COMPATABILITY |
|------------------------------------------------------------|
| Setting | SW2/6 |
|-----------------------------------+------------------------|
| » | Normal AT bus timing | On |
|---+-------------------------------+------------------------|
| | Alternative bus timing | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CLOCK SOURCE |
|------------------------------------------------------------|
| Setting | SW2/7 |
|-----------------------------------+------------------------|
| » | Asynchronous bus | Off |
|---+-------------------------------+------------------------|
| | Synchronous bus | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA TRANSFER RATE |
|------------------------------------------------------------|
| Setting | SW2/8 |
|--------------------------------+---------------------------|
| » | 4Mbps | On |
|---+----------------------------+---------------------------|
| | 16Mbps | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CHANNEL SELECT |
|------------------------------------------------------------|
| DMA | SW3/1 | SW3/2 | SW3/3 | SW3/4 |
|-------------+-------------+----------+----------+----------|
| » | 5 | Off | Off | On | Off |
|------+------+-------------+----------+----------+----------|
| | 1 | On | Off | Off | Off |
|------+------+-------------+----------+----------+----------|
| | 3 | Off | On | Off | Off |
|------+------+-------------+----------+----------+----------|
| | 6 | Off | Off | Off | On |
|------------------------------------------------------------|
| Note: Switch 1 is a slide switch, which allows only one |
| position to be ‘on’ at a given time. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TWISTED PAIR CABLE TYPE SELECT |
|------------------------------------------------------------|
| Setting | LB1 |
|-------------------------------------+----------------------|
IMG IMG 2
| Shielded twisted pair | |
|-------------------------------------+----------------------|
IMG IMG 3
| Unshielded twisted pair | |
|------------------------------------------------------------|
| Note: Jumper LB1 is used with a link block pictured above. |
| Remove the block and replace with arrow in up or down |
| position, depending on cable type. |
+------------------------------------------------------------+