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# UPDATE TECHNOLOGY, INC.
VL-BUS ETHERNET LAN CARD
NIC Type Ethernet
Transfer Rate 10Mbps
Data Bus VESA Local Bus
Topology Linear Bus
Wiring Type Unshielded twisted pair
RG58A/U 50ohm coaxial
AUI transceiver via DB-15 port
Boot ROM Available
IMG IMG 1
+------------------------------------------------------------+
| CABLE TYPE |
|------------------------------------------------------------|
| Type | JP8 |
|--------------------+---------------------------------------|
| AUI transceiver | All open |
| via DB-15 port | |
|--------------------+---------------------------------------|
| RG58A/U 50ohm | Pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 |
| coaxial | & 15, 17 & 18 closed |
|--------------------+---------------------------------------|
| Unshielded twisted | Pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 |
| pair | & 14, 16 & 17 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BUS MODE SELECT |
|------------------------------------------------------------|
| Mode | JP1 |
|----------------------------+-------------------------------|
| 16-bit ISA | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 32-bit VL-bus | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RG58A TRUNK SEGMENT LENGTH SELECT |
|------------------------------------------------------------|
| Setting | JP9 |
|------------------------------------+-----------------------|
| » | 300M trunk segment | Open |
|----+-------------------------------+-----------------------|
| | 180M trunk segment | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ROM ADDRESS CONFIGURATION |
|------------------------------------------------------------|
| Address | JP4 |
|----------------------------+-------------------------------|
| C000h | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| C4000h | Pins 3 & 4 closed |
|----------------------------+-------------------------------|
| C8000h | Pins 5 & 6 closed |
|----------------------------+-------------------------------|
| CC000h | Pins 7 & 8 closed |
|----------------------------+-------------------------------|
| D0000h | Pins 9 & 10 closed |
|----------------------------+-------------------------------|
| D4000h | Pins 11 & 12 closed |
|----------------------------+-------------------------------|
| D8000h | Pins 13 & 14 closed |
|----------------------------+-------------------------------|
| DC000h | Pins 15 & 16 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O BASE ADDRESS SELECT |
|------------------------------------------------------------|
| Address | JP5 |
|--------------------------+---------------------------------|
| 200h | Pins 3 & 4, 5 & 6 closed |
|--------------------------+---------------------------------|
| 220h | Pins 1 & 2, 3 & 4, 5 & 6 closed |
|--------------------------+---------------------------------|
| 280h | Pins 5 & 6 closed |
|--------------------------+---------------------------------|
| 300h | All open |
|--------------------------+---------------------------------|
| 320h | Pins 1 & 2 closed |
|--------------------------+---------------------------------|
| 340h | Pins 3 & 4 closed |
|--------------------------+---------------------------------|
| 360h | Pins 1 & 2, 3 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SELECT |
|------------------------------------------------------------|
| IRQ | JP6 | JP7 |
|-----------------+---------------------+--------------------|
| » | IRQ3 | Pins 3 & 4 closed | All open |
|---+-------------+---------------------+--------------------|
| | IR/FONT> | Pins 1 & 2 closed | All open |
|---+-------------+---------------------+--------------------|
| | IRQ4 | Pins 5 & 6 closed | All open |
|---+-------------+---------------------+--------------------|
| | IRQ5 | Pins 7 & 8 closed | All open |
|---+-------------+---------------------+--------------------|
| | IRQ6 | Pins 9 & 10 closed | All open |
|---+-------------+---------------------+--------------------|
| | IRQ7 | Pins 11 & 12 closed | All open |
|---+-------------+---------------------+--------------------|
| | IRQ10 | All open | Pins 1 & 2 closed |
|---+-------------+---------------------+--------------------|
| | IRQ11 | All open | Pins 3 & 4 closed |
|---+-------------+---------------------+--------------------|
| | IRQ12 | All open | Pins 5 & 6 closed |
|---+-------------+---------------------+--------------------|
| | IRQ14 | All open | Pins 7 & 8 closed |
|---+-------------+---------------------+--------------------|
| | IRQ15 | All open | Pins 9 & 10 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RAM BUFFER SIZE SELECT |
|------------------------------------------------------------|
| Size | JP2 | JP3 |
|------------------+--------------------+--------------------|
| 16KB | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 32KB | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+