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Configuration Options B-3
Configuration Options
This section contains the configuration options for the 3C619C
adapter. The following options are available:
■ Configuration Mode
■ Ring Speed
■ I/O Base Address
■ BIOS/MMIO Address Location
■ Shared RAM Page Size and Address Range
■ Interrupt Request Level
■ Memory Mode
■ I/O Mode
■ IRQ Driver Type
■ AutoSwitch
■ Boot PROM
Configuration Mode
This adapter provides the following two modes of operation:
■ 3Com mode
■ IBM mode
3Com mode increases the number of available IRQ channels
from 4 to 8 and the number of I/O base addresses from 2 to
32. You can install up to six adapters per PC. 3Com drivers are
supplied on the TokenDisk diskette to support these 3Com
mode enhancements. The default is 3Com mode.
IBM mode provides the same configuration options as
IBM 16/4 Token Ring Adapters: 4 IRQ channels and 2 I/O base
addresses. You can continue to use IBM drivers with the
adapter in IBM mode.