The most important lines of my /etc/init.d/pcmcia

# Allow environment variables to override all options
if [ "$PCMCIA" ] ; then readonly PCMCIA ; fi
if [ "$PCIC" ] ; then readonly PCIC ; fi
if [ "$PCIC_OPTS" ] ; then readonly PCIC_OPTS ; fi
if [ "$CORE_OPTS" ] ; then readonly CORE_OPTS ; fi
if [ "$CARDMGR_OPTS" ] ; then readonly CARDMGR_OPTS ; fi
if [ "$SCHEME" ] ; then readonly SCHEME ; fi

# Source PCMCIA configuration, if available
if [ -f /etc/pcmcia.conf ] ; then
    . /etc/pcmcia.conf
elif [ -f /etc/sysconfig/pcmcia ] ; then
    . /etc/sysconfig/pcmcia
else
    # Should be either i82365 or tcic
    PCIC=i82365
    # Put socket driver timing parameters here
    PCIC_OPTS=
    # Put pcmcia_core options here
    CORE_OPTS=
    # Put cardmgr options here
    CARDMGR_OPTS=
    # To set the PCMCIA scheme at startup...
    SCHEME=
fi