static/freebsd/man4/itwd.4 4.html


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<table class="head">
  <tr>
    <td class="head-ltitle">ITWD(4)</td>
    <td class="head-vol">Device Drivers Manual</td>
    <td class="head-rtitle">ITWD(4)</td>
  </tr>
</table>
<div class="manual-text">
<section class="Sh">
<h1 class="Sh" id="NAME"><a class="permalink" href="#NAME">NAME</a></h1>
<p class="Pp"><code class="Nm">itwd</code> &#x2014; <span class="Nd">device
    driver for ITE Super I/O chips watchdog timer</span></p>
</section>
<section class="Sh">
<h1 class="Sh" id="SYNOPSIS"><a class="permalink" href="#SYNOPSIS">SYNOPSIS</a></h1>
<p class="Pp">To compile this driver into the kernel, place the following lines
    in your kernel configuration file:</p>
<div class="Bd Pp Bd-indent"><code class="Cd">device superio</code>
<br/>
<code class="Cd">device itwd</code></div>
<p class="Pp">Alternatively, to load the driver as a module at boot time, place
    the following line in <a class="Xr">loader.conf(5)</a>:</p>
<div class="Bd Pp Bd-indent Li">
<pre>itwd_load=&quot;YES&quot;</pre>
</div>
</section>
<section class="Sh">
<h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1>
<p class="Pp">The <code class="Nm">itwd</code> driver provides
    <a class="Xr">watchdog(4)</a> support for the watchdog timer present on at
    least the following Super I/O chips:</p>
<ul class="Bl-bullet Bl-compact">
  <li>IT8721F</li>
  <li>IT8728F</li>
  <li>IT8771F</li>
</ul>
</section>
<section class="Sh">
<h1 class="Sh" id="SEE_ALSO"><a class="permalink" href="#SEE_ALSO">SEE
  ALSO</a></h1>
<p class="Pp"><a class="Xr">superio(4)</a>, <a class="Xr">watchdog(4)</a>,
    <a class="Xr">device.hints(5)</a>, <a class="Xr">watchdog(8)</a>,
    <a class="Xr">watchdogd(8)</a>, <a class="Xr">watchdog(9)</a></p>
</section>
<section class="Sh">
<h1 class="Sh" id="AUTHORS"><a class="permalink" href="#AUTHORS">AUTHORS</a></h1>
<p class="Pp">This manual page was written by <span class="An">Andriy
    Gapon</span>
    &lt;<a class="Mt" href="mailto:avg@FreeBSD.org">avg@FreeBSD.org</a>&gt;.</p>
</section>
</div>
<table class="foot">
  <tr>
    <td class="foot-date">October 16, 2019</td>
    <td class="foot-os">FreeBSD 15.0</td>
  </tr>
</table>