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Configuration Options B-7
Other Configuration Options
The TokenDisk diskette Configuration and Diagnostic Program
also allows the selection of the following additional
parameters:
Memory Mode – allows operation with 8-bit or 16-bit
memory interfaces. The default is 16-bit, but the 8-bit option
is provided for backward compatibility with older PCs.
I/O Mode – allows operation with 8-bit or 16-bit I/O
interfaces. The default is 16-bit, but the 8-bit option is
provided for backward compatibility with older PCs.
IRQ Driver Type – provides a choice of IRQ signal drivers to
the ISA bus. Level-sensitive relies on the motherboard circuitry
for reliable operation and allows shared interrupts. Edge-
triggered is more robust because it is independent of the
motherboard circuitry, but it does not allow shared interrupts.
AutoSwitch – when enabled, allows installation of the adapter
in an EISA PC by the EISA configuration utility without having
to run the 3TOKDIAG program first. The default is disabled.
Boot PROM – when enabled, allows the PC to connect to a
remote network. The default is disabled.
Zero Wait State – when enabled, allows the PC to
communicate with the adapter more quickly. Some PCs may
not operate correctly with this option enabled. The option
can be disabled to solve this problem. The default is enabled.
3Com recommends that you not change the setting of these
options.