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 |
|
CABLE TYPE | |||||
|
Type |
S1 |
S2 |
S3 | ||
|
RG--58A/U 50ohm coaxial |
Open |
Installed |
50ohm (P/N 90-39050) | ||
|
RG--62A/U 93ohm coaxial |
Open |
Installed |
93ohm (P/N 90-39093) | ||
|
75ohm coaxial |
Open |
Installed |
75ohm (P/N 90-39075) | ||
|
AUI transceiver via DB-15 port |
Installed |
Open |
N/A | ||
|
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 |