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| author | Jacob McDonnell <jacob@jacobmcdonnell.com> | 2026-04-25 19:59:05 -0400 |
|---|---|---|
| committer | Jacob McDonnell <jacob@jacobmcdonnell.com> | 2026-04-25 19:59:05 -0400 |
| commit | 1f19f33e45791ea59aed048796fc68672c6723a5 (patch) | |
| tree | 54625fba89e91d1c2177801ec635e8528bba937f /static/netbsd/man4/acpitz.4 4.html | |
| parent | ac5e55f5f2af5b92794c2aded46c6bae85b5f5ed (diff) | |
docs: Removed Precompiled HTML
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diff --git a/static/netbsd/man4/acpitz.4 4.html b/static/netbsd/man4/acpitz.4 4.html deleted file mode 100644 index 654274cb..00000000 --- a/static/netbsd/man4/acpitz.4 4.html +++ /dev/null @@ -1,96 +0,0 @@ -<table class="head"> - <tr> - <td class="head-ltitle">ACPITZ(4)</td> - <td class="head-vol">Device Drivers Manual</td> - <td class="head-rtitle">ACPITZ(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">acpitz</code> — <span class="Nd">ACPI - Thermal Zone</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">acpitz* at acpi?</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">acpitz</code> driver supports so-called ACPI - “Thermal Zones”. The temperature can be monitored by the - <a class="Xr">envsys(4)</a> API or the <a class="Xr">envstat(8)</a> - command.</p> -<p class="Pp">The distinction between “active” and - “passive” cooling is central to the abstractions behind - <code class="Nm">acpitz</code>. These are inversely related to each - other:</p> -<ol class="Bl-enum Bd-indent"> - <li>Active cooling means that the system increases the power consumption of - the machine by performing active thermal management (for example, by - turning on a fan) in order to reduce the temperatures.</li> - <li>Passive cooling means that the system reduces the power consumption of - devices at the cost of system performance (for example, by lowering the - CPU frequencies) in order to reduce the temperatures.</li> -</ol> -<p class="Pp">Only active cooling is currently supported on - <span class="Ux">NetBSD</span>.</p> -<p class="Pp">It should be also noted that the internal functioning of these - cooling policies vary across machines. On some machines the operating system - may have little control over the thermal zones as the firmware manages the - thermal control internally, whereas on other machines the policies may be - exposed to the implementation at their full extent.</p> -</section> -<section class="Sh"> -<h1 class="Sh" id="EVENTS"><a class="permalink" href="#EVENTS">EVENTS</a></h1> -<p class="Pp">The <code class="Nm">acpitz</code> driver knows about the active - cooling levels, the current temperatures, and critical, hot, and passive - temperature thresholds (as supported by the hardware). The driver is able to - send events to <a class="Xr">powerd(8)</a> when the sensor's state has - changed. When a Thermal Zone is either critical or “hot”, the - <span class="Pa">/etc/powerd/scripts/sensor_temperature</span> script will - be invoked with a - <a class="permalink" href="#critical-over"><i class="Em" id="critical-over">critical-over</i></a> - event.</p> -<p class="Pp">The critical temperature is the threshold for system shutdown. - Depending on the hardware, the mainboard will take down the system instantly - and no event will have a chance to be sent.</p> -</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">acpi(4)</a>, <a class="Xr">acpifan(4)</a>, - <a class="Xr">envsys(4)</a>, <a class="Xr">envstat(8)</a>, - <a class="Xr">powerd(8)</a></p> -</section> -<section class="Sh"> -<h1 class="Sh" id="HISTORY"><a class="permalink" href="#HISTORY">HISTORY</a></h1> -<p class="Pp">The <code class="Nm">acpitz</code> driver appeared in - <span class="Ux">NetBSD 2.0</span>.</p> -</section> -<section class="Sh"> -<h1 class="Sh" id="AUTHORS"><a class="permalink" href="#AUTHORS">AUTHORS</a></h1> -<p class="Pp"><span class="An">Jared D. McNeill</span> - <<a class="Mt" href="mailto:jmcneill@invisible.ca">jmcneill@invisible.ca</a>></p> -</section> -<section class="Sh"> -<h1 class="Sh" id="CAVEATS"><a class="permalink" href="#CAVEATS">CAVEATS</a></h1> -<p class="Pp">While no pronounced bugs are known to exist, several caveats can - be mentioned:</p> -<ul class="Bl-bullet"> - <li>Passive cooling is not implemented.</li> - <li>There is no user-controllable way to switch between active and passive - cooling, although the specifications support such transforms on some - machines.</li> - <li>The “hot” temperature is a threshold in which the system - ought to be put into S4 sleep. This sleep state (“suspend to - disk”) is not supported on <span class="Ux">NetBSD</span>.</li> -</ul> -</section> -</div> -<table class="foot"> - <tr> - <td class="foot-date">January 9, 2011</td> - <td class="foot-os">NetBSD 10.1</td> - </tr> -</table> |
