95 lines
3.1 KiB
Groff
95 lines
3.1 KiB
Groff
.\" $NetBSD: itesio.4,v 1.7 2008/04/02 14:07:21 xtraeme Exp $
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.\" $OpenBSD: it.4,v 1.7 2006/03/29 14:10:51 jsg Exp $
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.\"
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.\" Copyright (c) 2006-2007 Juan Romero Pardines <xtraeme@netbsd.org>
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.\" Copyright (c) 2003 Julien Bordet <zejames@greygats.org>
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.Dd April 2, 2008
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.Dt ITESIO 4
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.Os
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.Sh NAME
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.Nm itesio
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.Nd ITE IT87xxF Super I/O driver
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.Sh SYNOPSIS
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.Cd "itesio0 at isa? port 0x2e"
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.Cd "itesio1 at isa? port 0x4e"
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.Sh DESCRIPTION
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The
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.Nm
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driver provides support for the Environment Controller and the Watchdog Timer
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on the
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.Tn IT87xxF
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Super I/Os, and may be used to monitor hardware sensors or setting up a
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watchdog timeout value for the system.
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.Pp
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The
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.Nm
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driver has 15 sensors:
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.Bl -column "Sensor" "Units" "Typical" -offset indent
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.It Sy "Sensor" Ta Sy "Units" Ta Sy "Typical Use"
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.It Li "Temp0" Ta "uK" Ta "CPU Temp"
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.It Li "Temp1" Ta "uK" Ta "System Temp"
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.It Li "Temp2" Ta "uK" Ta "Aux Temp"
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.It Li "VIN0" Ta "uV DC" Ta "Vcore A"
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.It Li "VIN1" Ta "uV DC" Ta "Vcore B"
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.It Li "VIN2" Ta "uV DC" Ta "+3.3V"
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.It Li "VIN3" Ta "uV DC" Ta "+5V"
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.It Li "VIN4" Ta "uV DC" Ta "+12V"
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.It Li "VIN5" Ta "uV DC" Ta "-12V"
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.It Li "VIN6" Ta "uV DC" Ta "-5V"
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.It Li "VIN7" Ta "uV DC" Ta "STANDBY"
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.It Li "VBAT" Ta "uV DC" Ta "VBAT"
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.It Li "Fan0" Ta "RPM" Ta "CPU Fan"
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.It Li "Fan1" Ta "RPM" Ta "System Fan"
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.It Li "Fan2" Ta "RPM" Ta "Aux Fan"
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.El
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.Pp
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The
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.Nm
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Watchdog Timer is configurable via the
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.Xr wdogctl 8
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utility and has a resolution between 1 and 65535 seconds. The Watchdog
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Timer is not supported on the IT8705 Super I/O.
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.Sh SEE ALSO
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.Xr envsys 4 ,
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.Xr envstat 8 ,
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.Xr wdogctl 8
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.Sh HISTORY
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The
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.Nm
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driver first appeared in
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.Ox 3.4
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and then it was ported to
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.Nx 4.0 .
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.Sh AUTHORS
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.An -nosplit
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The
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.Nm
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driver was written by
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.An Julien Bordet Aq zejames@greyhats.org
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and
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.An Juan Romero Pardines Aq xtraeme@netbsd.org .
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.Sh BUGS
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Interrupt support is unimplemented.
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