3Com 3C319 - Manual (Page 49)

Configuration Options 5-9
If a system resource conflict continues, you may have to
change the settings of other NICs or options that are in
your PC.
BIOS/MMIO Address Location
There are 12 possible 8 KB blocks of PC memory that can
be assigned for accessing the ROM area of the 3C319
NIC. The factory default ROM address for the 3C319 NIC
is CC000–CDFFF. The ROM address locations are as
follows, with the default in bold:
The BIOS/MMIO address selected must not be assigned
for use by any other NIC or device and cannot be the
same as the RAM address for this NIC. If a system
resource conflict exists, you may have to change the
settings of other NICs or devices that are in your PC.
Shared RAM Page Size and Address Range
There are 22 possible blocks of memory available
for accessing the RAM located on the 3C319 NIC.
The factory default RAM size and address location
for the 3C319 NIC, which support RAM paging, are
16 KB / D8000–DBFFF.
RAM paging allows the software to access all 64 KB of
RAM on the 3C319 NIC one page (16 KB) at a time,
while using only 16 KB of PC memory space. RAM
paging is available for all 16 KB address ranges.
C8000-C9FFF D4000–D5FFF
CA000–CBFFF D6000–D7FFF
CC000–CDFFF D8000–D9FFF
CE000–CFFFF DA000–DBFFF
D0000–D1FFF DC000–DDFFF
D2000–D3FFF DE000–DFFFF