Which directory contains the PCMCIA configuration files?

Answer: /etc/pcmcia

Explanation:
/etc/pcmcia directory contains the configuration file for PCMCI A.
Some Configuration files are:
bluetooth config.opts ieeel394.opts parport serial wireless.opts bluetooth .confide isdn parportopts serial.opts cis ide.opts network scsi shared configieeel394 network.opts scsi.opts wireless