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# OLICOM INTERNATIONAL
OC-3102
NIC Type Token-Ring
Transfer Rate 4Mbps
Data Bus 16-bit ISA
Topology Ring
Wiring Type Shielded twisted pair (DB-9 port)
Boot ROM Available
IMG IMG 1
+--------------------------------------------------------------------+
| INTERRUPT REQUEST |
|--------------------------------------------------------------------|
| IRQ | SR3A | SR3B | SR3C | SR3D | SR3E | SR3F | SR3G | SR3H | SR3I |
|-----+------+------+------+------+------+------+------+------+------|
|»|2/9| Open | Open | Open | Open | Open |Closed| Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------+------|
| | 3 |Closed| Open | Open | Open | Open | Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------+------|
| | 4 | Open |Closed| Open | Open | Open | Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------+------|
| | 5 | Open | Open |Closed| Open | Open | Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------+------|
| | 6 | Open | Open | Open |Closed| Open | Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------+------|
| | 7 | Open | Open | Open | Open |Closed| Open | Open | Open | Open |
|-+---+------+------+------+------+------+------+------+------+------|
| |10 | Open | Open | Open | Open | Open | Open |Closed| Open | Open |
|-+---+------+------+------+------+------+------+------+------+------|
| |11 | Open | Open | Open | Open | Open | Open | Open |Closed| Open |
|-+---+------+------+------+------+------+------+------+------+------|
| |12 | Open | Open | Open | Open | Open | Open | Open | Open |Closed|
+--------------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CHANNEL |
|------------------------------------------------------------|
| Channel | SR4A | SR4B | SR4C | SR4D | SR4E | SR4F |
|---------+--------+--------+--------+-------+-------+-------|
|» | DMA5 | Closed | Open | Open |Closed | Open | Open |
|--+------+--------+--------+--------+-------+-------+-------|
| | DMA6 | Open | Closed | Open | Open |Closed | Open |
|--+------+--------+--------+--------+-------+-------+-------|
| | DMA7 | Open | Open | Closed | Open | Open |Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CLOCK SELECT |
|------------------------------------------------------------|
| Setting | SR6 |
|---------------------------------+--------------------------|
| » | Onboard clock | Pins 1 & 2 closed |
|--------+------------------------+--------------------------|
| | System bus clock | Pins 2 & 3 closed |
|------------------------------------------------------------|
| Note:If the system's bus clock speed is greater than 8MHz |
| the onboard clock must be enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT ROM SIZE |
|------------------------------------------------------------|
| Size | SR11 | SR12 |
|------------------+--------------------+--------------------|
| » | 8/16KB | Pins 1 & 2 closed | Pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | 32KB | Pins 2 & 3 closed | Pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | 64KB | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT ROM |
|------------------------------------------------------------|
| Setting | SR13 |
|----------------------------+-------------------------------|
| » | Disabled | Pins 1 & 2 closed |
|---+------------------------+-------------------------------|
| | Enabled | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PRIMARY/ALTERNATE SELECT, I/O BASE ADDRESS, AND BOOT ROM |
| ADDRESS |
|------------------------------------------------------------|
| Setting | I/O Address | Boot ROM | SR14 |
| | | Address | |
|-------------------+--------------+-----------+-------------|
| » | Primary | 0A20 - 0A2Fh | D0000 - | Pins 1 & 2 |
| | | | D7FFFh | closed |
|-----+-------------+--------------+-----------+-------------|
| | Alternate | 1A20 - 1A2Fh | D8000 - | Pins 2 & 3 |
| | | | DFFFFh | closed |
|------------------------------------------------------------|
| Note:If two cards are to be used in a single system, one |
| of the cards must be set to primary and the other must be |
| set to alternate. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BRIDGE PAL ENABLE |
|------------------------------------------------------------|
| Setting | SR15 |
|-------------------------------+----------------------------|
| » | Disabled | Pins 1 & 2 closed |
|-----------+-------------------+----------------------------|
| | Enabled | Pins 2 & 3 closed |
|------------------------------------------------------------|
| Note:If installing two NICs for a bridge configuration, |
| both cards must have this option enabled and a other must |
| be set to alternate. |
| |
| This jumper is the only jumper that the Micro Channel |
| version has. |
+------------------------------------------------------------+