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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 controllers.

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 ports 15.quarterly	 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+15.1-RELEASE+and+Ports.quarterly>

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