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If the RangeLAN2 7100 ISA Adapter entry has an “!” or an “X”
next to its description, as shown below, then the card did not
install properly.
Most likely, the card has a resource conflict and is trying to use an
Interrupt Request (IRQ) or I/O Base Address which is either
already in use or not available for use by the card. Double-click
the “Computer” entry in the Device Manager to view the list of
