static/freebsd/man4/ncthwm.4 4.html


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<table class="head">
  <tr>
    <td class="head-ltitle">NCTHWM(4)</td>
    <td class="head-vol">Device Drivers Manual</td>
    <td class="head-rtitle">NCTHWM(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">ncthwm</code> &#x2014; <span class="Nd">Hardware
    monitoring controller on Nuvoton Super I/Os</span></p>
</section>
<section class="Sh">
<h1 class="Sh" id="SYNOPSIS"><a class="permalink" href="#SYNOPSIS">SYNOPSIS</a></h1>
<p class="Pp"><code class="Cd">device ncthwm</code>
  <br/>
  <code class="Cd">device superio</code></p>
</section>
<section class="Sh">
<h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1>
<p class="Pp">The <code class="Nm">ncthwm</code> is a driver for hardware
    monitoring controller that can be found in Nuvoton Super I/O chips. It
    expose fan speed via <a class="Xr">sysctl(8)</a>.</p>
<p class="Pp"></p>
<p class="Pp">The <code class="Nm">ncthwm</code> driver supports the following
    chips:</p>
<p class="Pp"></p>
<ul class="Bl-bullet Bl-compact">
  <li>Nuvoton NCT6779</li>
  <li>Nuvoton NCT6796D-E</li>
</ul>
<p class="Pp"></p>
</section>
<section class="Sh">
<h1 class="Sh" id="SYSCTL_VARIABLES"><a class="permalink" href="#SYSCTL_VARIABLES">SYSCTL
  VARIABLES</a></h1>
<p class="Pp">These variables are available as read-only
    <a class="Xr">sysctl(8)</a> variables:</p>
<dl class="Bl-tag">
  <dt id="dev.ncthwm.0.CPUFAN"><var class="Va">dev.ncthwm.0.CPUFAN</var></dt>
  <dd>CPU fan speed in RPM.</dd>
  <dt id="dev.ncthwm.0.SYSFAN"><var class="Va">dev.ncthwm.0.SYSFAN</var></dt>
  <dd>System fan speed in RPM.</dd>
  <dt id="dev.ncthwm.0.AUXFAN0"><var class="Va">dev.ncthwm.0.AUXFAN0</var></dt>
  <dd>AUX0 fan speed in RPM.</dd>
  <dt id="dev.ncthwm.0.AUXFAN1"><var class="Va">dev.ncthwm.0.AUXFAN1</var></dt>
  <dd>AUX1 fan speed in RPM.</dd>
  <dt id="dev.ncthwm.0.AUXFAN2"><var class="Va">dev.ncthwm.0.AUXFAN2</var></dt>
  <dd>AUX2 fan speed in RPM.</dd>
</dl>
<p class="Pp"></p>
</section>
<section class="Sh">
<h1 class="Sh" id="HISTORY"><a class="permalink" href="#HISTORY">HISTORY</a></h1>
<p class="Pp">The driver first appeared in <span class="Ux">FreeBSD
  14.0</span>.</p>
</section>
<section class="Sh">
<h1 class="Sh" id="AUTHORS"><a class="permalink" href="#AUTHORS">AUTHORS</a></h1>
<p class="Pp">The driver was initially written by
    <span class="An">St&#x00E9;phane Rochoy</span>
    &lt;<a class="Mt" href="mailto:stephane.rochoy@stormshield.eu">stephane.rochoy@stormshield.eu</a>&gt;.</p>
</section>
</div>
<table class="foot">
  <tr>
    <td class="foot-date">April 18, 2023</td>
    <td class="foot-os">FreeBSD 15.0</td>
  </tr>
</table>