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UHCI(4)		       FreeBSD 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 controllers.

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

     o	 Intel 82371AB/EB (PIIX4)
     o	 Intel 82371SB (PIIX3)
     o	 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 val-
	     ues 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	13.0			April 24, 2018			  FreeBSD 13.0
NAME | SYNOPSIS | DESCRIPTION | HARDWARE | SYSCTL VARIABLES | SEE ALSO | HISTORY | AUTHORS

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<https://man.freebsd.org/cgi/man.cgi?query=uhci&sektion=4&manpath=FreeBSD+13.2-RELEASE+and+Ports>

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