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On 05/11/2010 02:33 PM, Hans-J. Ullrich wrote:
<blockquote cite="mid:201005111933.30004.hans.ullrich@loop.de"
type="cite">
<pre wrap="">Hi all,
sorry, if I ask in the devel list, but I think, this might be the right place.
I am using an EEPC 1005HA, running KDE4.4.3, Debian/sid.
My question: What is the S.H.E. for?
</pre>
</blockquote>
<br>
this looks like a reasonably good summary:<br>
<br>
<a class="moz-txt-link-freetext" href="http://forum.eeeuser.com/viewtopic.php?pid=545146#p545146">http://forum.eeeuser.com/viewtopic.php?pid=545146#p545146</a><br>
<br>
<blockquote>Power saving: low voltage to cpu, low fsb = low cpu
frequency<br>
= Less heat and power consumption<br>
Super performance: higher voltage to cpu, high fsb = high cpu frequency<br>
= More heat and power consumption<br>
</blockquote>
Conventional CPU frequency scaling controlled by cpufrequtils (on those
processors that support it - only the Atoms do, not the Celeron M) does
*not* change the FSB, but rather changes the CPU frequency directly.
SHE, on the other hand, changes the FSB speed and therefore also the
CPU clock speed. So neither one takes precedence. They operate
together. Think of SHE as manipulating a ratio that multiplies the
frequency as set by cpufrequtils (and tools like it).<br>
<br>
Ben<br>
<br>
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