5-4
C
HAPTER
5: C
ONFIGURING
THE
NIC M
ANUALLY
IBM mode is compatible with existing IBM drivers.
Table 5-1
shows the differences between the modes.
6 Press [Enter].
After you have selected the configuration mode and ring
speed, the configuration program automatically attempts
to configure device parameters to settings that do not
conflict with other devices in your PC. The configuration
program displays settings for the following parameters:
■
Configuration mode
■
I/O base address
■
Interrupt request level
■
Ring speed
■
BIOS/MMIO base address
■
Shared RAM address range
To change the settings manually, follow the steps in the
next section,
“Changing Configuration Option Settings.”
7 Press any key to continue.
The configuration program returns you to the main menu
(
Figure 5-1
).
8 Press [Esc] to exit the Configuration and
Diagnostic Program.
Table 5-1
3Com Mode Versus IBM Mode
3Com Mode
IBM Mode
Requires 3Com drivers for expanded
configuration settings. Supports existing
IBM Token Ring 16/4 Adapter drivers when
the I/O base address = A20 or A24 and the
IRQ = 2, 3, 6, or 7.
Parallel Tasking architecture
Supports existing IBM Token Ring
16/4 Adapter drivers
Maximum of 6 NICs in one PC
Maximum of 2 NICs in one PC
8 IRQ levels
4 IRQ levels
31 I/O base addresses
2 I/O base addresses (A20h, A24h)
