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PCCARD(4)		 BSD Kernel Interfaces Manual		     PCCARD(4)

NAME
     pccard — PC Card bus driver

SYNOPSIS
     device pccard

DESCRIPTION
     The pccard driver implements the PC Card bus.  The pccard driver supports
     all PC Card bridges in the system.

TUNABLES
     The driver supports the following tunable parameters, which may be added
     to /boot/loader.conf or set via the sysctl(8) command:
     hw.pccard.debug	  Non-zero values cause more verbose information to be
			  printed when a 16-bit PC Card is inserted or
			  removed.
     hw.pccard.cis_debug  Non-zero value causes the CIS parsing of the 16-bit
			  PC Card to be much more verbose and include a com‐
			  plete CIS dump.

FILES
     /dev/pccard0.cis  This exclusive-use device will report all the CIS
		       chains present in a PC Card, if a 16-bit PC Card is
		       inserted in the slot.  Only one user at a time may
		       access the CIS.	The CIS is presented as the relevant
		       byte stream from the PC Card.  For CIS tuples in
		       Attribute Memory (the default), only the even locations
		       are presented (the ODD locations are undefined per the
		       standard).  For CIS tuples in Common Memory, every byte
		       is presented to the user.  Decoding of the CIS tuples
		       is done via a userland program.	All tuples are pre‐
		       sented to the user.

SEE ALSO
     cardbus(4), pccbb(4)

     PC Card Standard, Release 8.

BSD				 July 9, 2002				   BSD

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