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cardbus — CardBus bus driver
The cardbus driver implements the CardBus bus. The cardbus driver
supports all cardbus bridges in the system.
The driver supports the following tunable parameters, which may be added
to /boot/loader.conf or set via the sysctl(8) command:
hw.cardbus.debug Non-zero values cause more verbose information to
be printed when a 32-bit CardBus card is inserted
hw.cardbus.cis_debug Non-zero value causes the CIS parsing of the 32-bit
CardBus card to be much more verbose and include a
complete CIS dump.