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+.\"     $OpenBSD: tcpcib.4,v 1.1 2012/05/27 12:24:33 jsg Exp $
+.\"
+.\" Copyright (c) 2012 Matt Dainty <matt@bodgit-n-scarper.com>
+.\"
+.\" Permission to use, copy, modify, and distribute this software for any
+.\" purpose with or without fee is hereby granted, provided that the above
+.\" copyright notice and this permission notice appear in all copies.
+.\"
+.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+.\"
+.Dd $Mdocdate: May 27 2012 $
+.Dt TCPCIB 4 i386
+.Os
+.Sh NAME
+.Nm tcpcib
+.Nd Intel Atom E600 series LPC bridge and watchdog
+.Sh SYNOPSIS
+.Cd "tcpcib* at pci?"
+.Cd "isa* at tcpcib?"
+.Sh DESCRIPTION
+The
+.Nm
+driver provides support for the Intel Atom E600 series LPC bridge and
+provides the standard
+.Xr watchdog 4
+interface to the watchdog timer and may be used with
+.Xr watchdogd 8 .
+The watchdog timer can be configured via
+.Xr sysctl 8 .
+.Pp
+Once the watchdog timer resets the CPU, the driver reports it on the
+next boot displaying the ``reboot on timeout'' message in the dmesg.
+.Sh NOTES
+The maximum timeout value supported by the watchdog timer is 600
+seconds.
+.Sh SEE ALSO
+.Xr intro 4 ,
+.Xr isa 4 ,
+.Xr pci 4 ,
+.Xr watchdog 4
+.Xr sysctl 8
+.Xr watchdogd 8
+.Sh HISTORY
+The
+.Nm
+driver first appeared in
+.Ox 5.2 .
+.Sh AUTHORS
+The
+.Nm
+driver was written by
+.An Matt Dainty Aq matt@bodgit-n-scarper.com .
+.Sh BUGS
+Apart from the core
+.Xr pcib 4
+functionality and the
+.Xr watchdog 4
+interface, the driver doesn't support any other aspects of the hardware.