267 lines
5.2 KiB
HTML
267 lines
5.2 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
|
|
<HTML
|
|
><HEAD
|
|
><TITLE
|
|
>Introduction</TITLE
|
|
><META
|
|
NAME="GENERATOR"
|
|
CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK
|
|
REL="HOME"
|
|
TITLE="Athlon Powersaving HOWTO"
|
|
HREF="index.html"><LINK
|
|
REL="PREVIOUS"
|
|
TITLE="Athlon Powersaving HOWTO"
|
|
HREF="index.html"><LINK
|
|
REL="NEXT"
|
|
TITLE="The Different Approaches"
|
|
HREF="approaches.html"></HEAD
|
|
><BODY
|
|
CLASS="sect1"
|
|
BGCOLOR="#FFFFFF"
|
|
TEXT="#000000"
|
|
LINK="#0000FF"
|
|
VLINK="#840084"
|
|
ALINK="#0000FF"
|
|
><DIV
|
|
CLASS="NAVHEADER"
|
|
><TABLE
|
|
SUMMARY="Header navigation table"
|
|
WIDTH="100%"
|
|
BORDER="0"
|
|
CELLPADDING="0"
|
|
CELLSPACING="0"
|
|
><TR
|
|
><TH
|
|
COLSPAN="3"
|
|
ALIGN="center"
|
|
>Athlon Powersaving HOWTO</TH
|
|
></TR
|
|
><TR
|
|
><TD
|
|
WIDTH="10%"
|
|
ALIGN="left"
|
|
VALIGN="bottom"
|
|
><A
|
|
HREF="index.html"
|
|
ACCESSKEY="P"
|
|
>Prev</A
|
|
></TD
|
|
><TD
|
|
WIDTH="80%"
|
|
ALIGN="center"
|
|
VALIGN="bottom"
|
|
></TD
|
|
><TD
|
|
WIDTH="10%"
|
|
ALIGN="right"
|
|
VALIGN="bottom"
|
|
><A
|
|
HREF="approaches.html"
|
|
ACCESSKEY="N"
|
|
>Next</A
|
|
></TD
|
|
></TR
|
|
></TABLE
|
|
><HR
|
|
ALIGN="LEFT"
|
|
WIDTH="100%"></DIV
|
|
><DIV
|
|
CLASS="sect1"
|
|
><H1
|
|
CLASS="sect1"
|
|
><A
|
|
NAME="intro"
|
|
></A
|
|
>1. Introduction</H1
|
|
><DIV
|
|
CLASS="sect2"
|
|
><H2
|
|
CLASS="sect2"
|
|
><A
|
|
NAME="basics"
|
|
></A
|
|
>1.1. Basics on the Athlon Power Saving Mode</H2
|
|
><P
|
|
> The HLT signal which is used by the normal idle-loop of the Linux kernel
|
|
doesn't normaly bring any significant power-saving on processors of the Athlon/Duron
|
|
family (hereafter referred to as Athlon processors). To get real power-saving on an
|
|
Athlon processor, you have to put the processor in the STPGNT-Mode (Stop Grant Mode).
|
|
In this mode, the processor is disconnected from the front-side bus (FSB), and can
|
|
turn off parts of the CPU as well as reduce the clock to save power.
|
|
</P
|
|
><P
|
|
> Some modern Motherboards/Chipsets also support a Function to make a STPGNT when a HLT signal is detected.
|
|
</P
|
|
></DIV
|
|
><DIV
|
|
CLASS="sect2"
|
|
><H2
|
|
CLASS="sect2"
|
|
><A
|
|
NAME="copyright"
|
|
></A
|
|
>1.2. Copyright and License</H2
|
|
><P
|
|
> This document, <EM
|
|
>Athlon Powersaving HOWTO</EM
|
|
>,
|
|
is copyrighted (c) 2003-2007 by <EM
|
|
>Daniel Nofftz</EM
|
|
>.
|
|
</P
|
|
><P
|
|
> This work is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License, version 2,
|
|
as published by the Free Software Foundation.
|
|
</P
|
|
><P
|
|
> A copy of the license is available at
|
|
<A
|
|
HREF="http://www.daniel.nofftz.net/linux/gpl_v2.txt"
|
|
TARGET="_top"
|
|
> http://www.daniel.nofftz.net/linux/gpl_v2.txt</A
|
|
>.
|
|
</P
|
|
><P
|
|
> Linux is a registered trademark of Linus Torvalds.
|
|
</P
|
|
></DIV
|
|
><DIV
|
|
CLASS="sect2"
|
|
><H2
|
|
CLASS="sect2"
|
|
><A
|
|
NAME="disclaimer"
|
|
></A
|
|
>1.3. Disclaimer</H2
|
|
><P
|
|
> This work is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
</P
|
|
><P
|
|
> All copyrights are held by their respective owners,
|
|
unless specifically noted otherwise. Use of a term in this
|
|
document should not be regarded as affecting the validity of any
|
|
trademark or service mark. Naming of particular products or
|
|
brands should not be seen as endorsements.
|
|
</P
|
|
></DIV
|
|
><DIV
|
|
CLASS="sect2"
|
|
><H2
|
|
CLASS="sect2"
|
|
><A
|
|
NAME="feedback"
|
|
></A
|
|
>1.4. Feedback/Questions/Support</H2
|
|
><P
|
|
> Feedback is most essential for this document. New solutions for
|
|
new chipsets are especially needed, as are comments,
|
|
whether the provided solutions work or don't work. Also please report
|
|
spelling errors if you find them, cause i am no native english speaker. Send
|
|
your additions, comments, criticisms and questions to the following
|
|
email address: <TT
|
|
CLASS="email"
|
|
><<A
|
|
HREF="mailto:daniel@nofftz.net.NOSPAM"
|
|
>daniel@nofftz.net.NOSPAM</A
|
|
>></TT
|
|
>.
|
|
<EM
|
|
>You can email me in German or English!</EM
|
|
>
|
|
</P
|
|
><P
|
|
> If you want to support me, you could donate through Paypal (to the
|
|
same email-adress) or send me some new Hardware to play with. ;)
|
|
</P
|
|
></DIV
|
|
><DIV
|
|
CLASS="sect2"
|
|
><H2
|
|
CLASS="sect2"
|
|
><A
|
|
NAME="newversions"
|
|
></A
|
|
>1.5. New Versions of this Document</H2
|
|
><P
|
|
> The newest version of this HOWTO will always first be made
|
|
available at:
|
|
<A
|
|
HREF="http://www.daniel.nofftz.net/linux/"
|
|
TARGET="_top"
|
|
>http://www.daniel.nofftz.net/linux/</A
|
|
>
|
|
</P
|
|
><P
|
|
> The sourcecode of this HOWTO is hosted at the <A
|
|
HREF="http://www.tldp.org"
|
|
TARGET="_top"
|
|
>Linux Documentation Project</A
|
|
> or can be requested from me.
|
|
</P
|
|
></DIV
|
|
></DIV
|
|
><DIV
|
|
CLASS="NAVFOOTER"
|
|
><HR
|
|
ALIGN="LEFT"
|
|
WIDTH="100%"><TABLE
|
|
SUMMARY="Footer navigation table"
|
|
WIDTH="100%"
|
|
BORDER="0"
|
|
CELLPADDING="0"
|
|
CELLSPACING="0"
|
|
><TR
|
|
><TD
|
|
WIDTH="33%"
|
|
ALIGN="left"
|
|
VALIGN="top"
|
|
><A
|
|
HREF="index.html"
|
|
ACCESSKEY="P"
|
|
>Prev</A
|
|
></TD
|
|
><TD
|
|
WIDTH="34%"
|
|
ALIGN="center"
|
|
VALIGN="top"
|
|
><A
|
|
HREF="index.html"
|
|
ACCESSKEY="H"
|
|
>Home</A
|
|
></TD
|
|
><TD
|
|
WIDTH="33%"
|
|
ALIGN="right"
|
|
VALIGN="top"
|
|
><A
|
|
HREF="approaches.html"
|
|
ACCESSKEY="N"
|
|
>Next</A
|
|
></TD
|
|
></TR
|
|
><TR
|
|
><TD
|
|
WIDTH="33%"
|
|
ALIGN="left"
|
|
VALIGN="top"
|
|
>Athlon Powersaving HOWTO</TD
|
|
><TD
|
|
WIDTH="34%"
|
|
ALIGN="center"
|
|
VALIGN="top"
|
|
> </TD
|
|
><TD
|
|
WIDTH="33%"
|
|
ALIGN="right"
|
|
VALIGN="top"
|
|
>The Different Approaches</TD
|
|
></TR
|
|
></TABLE
|
|
></DIV
|
|
></BODY
|
|
></HTML
|
|
> |