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UHCI(4)			    Kernel Interfaces Manual		       UHCI(4)

NAME
       uhci -- UHCI USB	Host Controller	driver

SYNOPSIS
       device uhci

DESCRIPTION
       The  uhci  driver  provides  support  for  UHCI-type PCI	based USB con-
       trollers.

HARDWARE
       The uhci	driver supports	all UHCI v1.1 compliant	controllers including:

          Intel 82371AB/EB (PIIX4)
          Intel 82371SB (PIIX3)
          VIA 83C572

SYSCTL VARIABLES
       The following variables are available as	both sysctl(8)	variables  and
       loader(8) tunables:

       hw.usb.uhci.debug
	       Debug  output  level,  where 0 is debugging disabled and	larger
	       values increase debug message verbosity.	 Default is 0.

SEE ALSO
       ehci(4),	ohci(4), xhci(4)

HISTORY
       The uhci	device driver first appeared in	FreeBSD	3.0.

AUTHORS
       The    uhci    driver	was    written	  by	Lennart	    Augustsson
       <augustss@carlstedt.se> for the NetBSD project.

FreeBSD	14.3			April 24, 2018			       UHCI(4)

Want to link to this manual page? Use this URL:
<https://man.freebsd.org/cgi/man.cgi?query=uhci&sektion=4&manpath=FreeBSD+14.3-RELEASE+and+Ports>

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