(TXT) View Source
# IMC NETWORK CORPORATION
PCNIC
NIC Type Ethernet
Transfer Rate 10Mbps
Data Bus 8/16-bit ISA
Topology Linear Bus
Wiring Type RG--58A/U 50ohm coaxial
RG--62A/U 93ohm coaxial
75ohm coaxial
AUI transceiver via DB-15 port
Boot ROM Available
(IMG) IMG 1
+------------------------------------------------------------+
| CABLE TYPE ||
|-----------------------------------------------------------||
| Type | S1 | S2 | S3 ||
|---------------------+------------+-----------+------------||
| » | RG--58A/U 50ohm | Open | Installed | 50ohm (P/N ||
| | coaxial | | | 90-39050) ||
|---+-----------------+------------+-----------+------------||
| | RG--62A/U 93ohm | Open | Installed | 93ohm (P/N ||
| | coaxial | | | 90-39093) ||
|---+-----------------+------------+-----------+------------||
| | 75ohm coaxial | Open | Installed | 75ohm (P/N ||
| | | | | 90-39075) ||
|---+-----------------+------------+-----------+------------||
| | AUI transceiver | Installed | Open | N/A ||
| | via DB-15 port | | | ||
|---+--------------------------------------------------------|
| | Notes:S1 and S2 are sockets for a transformer chip |
| | while S3 is a socket for a Cabling Option Resistor Kit |
| | (CORK). To choose a cable type insert the appropriate |
| | chips into the appropriate sockets. All cards on the |
| | network segment must use the same type of coaxial |
| | cable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMPATIBILITY MODE |
|------------------------------------------------------------|
| Setting | JP1 |
|-------------------------------+----------------------------|
| » | Disabled | Pins 1 & 2 closed |
|-----------+-------------------+----------------------------|
| | Enabled | PIns 2 & 3 closed |
|------------------------------------------------------------|
| Note:On some systems the data bus timing is not truly IBM |
| PC/AT compatible. If the card will not initialize, |
| enabling compatibility mode may allow the card to operate |
| properly. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT ROM ADDRESS |
|------------------------------------------------------------|
| Address | SW1/1 | SW1/2 |
|---------------------+-------------------+------------------|
| C0000h | Off | Off |
|---------------------+-------------------+------------------|
| C8000h | On | Off |
|---------------------+-------------------+------------------|
| D0000h | Off | On |
|---------------------+-------------------+------------------|
| D8000h | Off | Off |
|------------------------------------------------------------|
| Note:A boot ROM kit consists of a PEEL chip and a boot ROM |
| chip. Both chips must be installed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O BASE ADDRESS (LAST TWO DIGITS) |
|------------------------------------------------------------|
| Address | SW1/3 | SW3/4 | SW3/5 | SW3/6 | SW3/7 |
|---------------+--------+--------+--------+--------+--------|
| x00 - x07 | On | On | On | On | On |
|---------------+--------+--------+--------+--------+--------|
| x08 - x0F | Off | On | On | On | On |
|---------------+--------+--------+--------+--------+--------|
| x10 - x07 | On | Off | On | On | On |
|---------------+--------+--------+--------+--------+--------|
| x18 - x1Fh | Off | Off | On | On | On |
|---------------+--------+--------+--------+--------+--------|
| x20 - x07 | On | On | Off | On | On |
|---------------+--------+--------+--------+--------+--------|
| x28 - x2Fh | Off | On | Off | On | On |
|---------------+--------+--------+--------+--------+--------|
| x30 - x07 | On | Off | Off | On | On |
|---------------+--------+--------+--------+--------+--------|
| x38 - x3Fh | Off | Off | Off | On | On |
|---------------+--------+--------+--------+--------+--------|
| x40 - x47h | On | On | On | Off | On |
|---------------+--------+--------+--------+--------+--------|
| x40 - x4Fh | Off | On | On | Off | On |
|---------------+--------+--------+--------+--------+--------|
| x50 - x57h | On | Off | On | Off | On |
|---------------+--------+--------+--------+--------+--------|
| x50 - x5Fh | Off | Off | On | Off | On |
|---------------+--------+--------+--------+--------+--------|
| x60 - x67h | On | On | Off | Off | On |
|---------------+--------+--------+--------+--------+--------|
| x60 - x6Fh | Off | On | Off | Off | On |
|---------------+--------+--------+--------+--------+--------|
| x70 - x77h | On | Off | Off | Off | On |
|---------------+--------+--------+--------+--------+--------|
| x70 - x7Fh | Off | Off | Off | Off | On |
|---------------+--------+--------+--------+--------+--------|
| x80 - x87h | On | On | On | On | Off |
|---------------+--------+--------+--------+--------+--------|
| x88 - x8Fh | Off | On | On | On | Off |
|---------------+--------+--------+--------+--------+--------|
| x90 - x97h | On | Off | On | On | Off |
|---------------+--------+--------+--------+--------+--------|
| x90 - x9Fh | Off | Off | On | On | Off |
|---------------+--------+--------+--------+--------+--------|
| xA0 - xA7h | On | On | Off | On | Off |
|---------------+--------+--------+--------+--------+--------|
| xA0 - xAFh | Off | On | Off | On | Off |
|---------------+--------+--------+--------+--------+--------|
| xB0 - xB7h | On | Off | Off | On | Off |
|---------------+--------+--------+--------+--------+--------|
| xB0 - xBFh | Off | Off | Off | On | Off |
|---------------+--------+--------+--------+--------+--------|
| xC0 - xC7h | On | On | On | Off | Off |
|---------------+--------+--------+--------+--------+--------|
| xC0 - xCFh | Off | On | On | Off | Off |
|---------------+--------+--------+--------+--------+--------|
| xD0 - xD7h | On | Off | On | Off | Off |
|---------------+--------+--------+--------+--------+--------|
| xD0 - xDFh | Off | Off | On | Off | Off |
|---------------+--------+--------+--------+--------+--------|
| xE0 - xE7h | On | On | Off | Off | Off |
|---------------+--------+--------+--------+--------+--------|
| xE0 - xEFh | Off | On | Off | Off | Off |
|---------------+--------+--------+--------+--------+--------|
| xF0 - xF7h | On | Off | Off | Off | Off |
|---------------+--------+--------+--------+--------+--------|
| xF0 - xFFh | Off | Off | Off | Off | Off |
|------------------------------------------------------------|
| Note:The two digits selected here must be added to the |
| digit selected in the following table. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O BASE ADDRESS (FIRST DIGIT) |
|------------------------------------------------------------|
| Address | SW1/8 |
|-------------------------------+----------------------------|
| 2xx - 2xxh | On |
|-------------------------------+----------------------------|
| 3xx - 3xxh | Off |
+------------------------------------------------------------+