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howto-html-en-20080722-2mdv2010.1.noarch.rpm

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>Battery Powered Linux Mini-HOWTO</H1
><H3
CLASS="AUTHOR"
><A
NAME="AEN4"
>David Lechnyr</A
></H3
><DIV
CLASS="AFFILIATION"
><DIV
CLASS="ADDRESS"
><P
CLASS="ADDRESS"
><TT
CLASS="EMAIL"
>&#60;<A
HREF="mailto:david@lechnyr.com"
>david@lechnyr.com</A
>&#62;</TT
></P
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></DIV
><DIV
CLASS="REVHISTORY"
><TABLE
WIDTH="100%"
BORDER="0"
><TR
><TH
ALIGN="LEFT"
VALIGN="TOP"
COLSPAN="3"
><B
>Revision History</B
></TH
></TR
><TR
><TD
ALIGN="LEFT"
>Revision 2.31</TD
><TD
ALIGN="LEFT"
>2003-07-30</TD
><TD
ALIGN="LEFT"
>Revised by: drl</TD
></TR
><TR
><TD
ALIGN="LEFT"
COLSPAN="3"
>Minor updates</TD
></TR
><TR
><TD
ALIGN="LEFT"
>Revision 2.0</TD
><TD
ALIGN="LEFT"
>2002-10-08</TD
><TD
ALIGN="LEFT"
>Revised by: drl</TD
></TR
><TR
><TD
ALIGN="LEFT"
COLSPAN="3"
>Major updates and conversion to SGML</TD
></TR
><TR
><TD
ALIGN="LEFT"
>Revision 1.0</TD
><TD
ALIGN="LEFT"
>1997-12-21</TD
><TD
ALIGN="LEFT"
>Revised by: hm</TD
></TR
><TR
><TD
ALIGN="LEFT"
COLSPAN="3"
>Initial draft by Hanno Muller</TD
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></DIV
><DIV
><DIV
CLASS="ABSTRACT"
><A
NAME="AEN26"
></A
><P
></P
><P
>This document describes how to optimize and configure power management
on a ready-configured Linux system for use on battery-powered laptops. This
will be helpful for everyone who runs Linux on a portable computer system.
APM/ACPI methods of power management are discussed along with 
power saving tips and techniques.  There is also some discussion about the
different types of batteries available.</P
><P
></P
></DIV
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><HR></DIV
><DIV
CLASS="TOC"
><DL
><DT
><B
>Table of Contents</B
></DT
><DT
>1. <A
HREF="powermgm.html"
>Power Management</A
></DT
><DD
><DL
><DT
>1.1. <A
HREF="powermgm.html#APM"
>Advanced Power Management (APM)</A
></DT
><DT
>1.2. <A
HREF="powermgm.html#ACPI"
>Advanced Configuration and Power Interface (ACPI)</A
></DT
><DT
>1.3. <A
HREF="powermgm.html#WHICHONE"
>APM vs. ACPI: Which one?</A
></DT
><DT
>1.4. <A
HREF="powermgm.html#HYPERTHREAD"
>SMP, Hyper-Threading, IA64 &#38; NUMA</A
></DT
></DL
></DD
><DT
>2. <A
HREF="displaytypes.html"
>DPMS</A
></DT
><DD
><DL
><DT
>2.1. <A
HREF="displaytypes.html#NORMAL"
>Normal</A
></DT
><DT
>2.2. <A
HREF="displaytypes.html#STANDBY"
>Standby</A
></DT
><DT
>2.3. <A
HREF="displaytypes.html#SUSPEND"
>Suspend</A
></DT
><DT
>2.4. <A
HREF="displaytypes.html#OFF"
>Off</A
></DT
></DL
></DD
><DT
>3. <A
HREF="methods.html"
>Power Management Methods</A
></DT
><DD
><DL
><DT
>3.1. <A
HREF="methods.html#SWSUSP"
>swsusp(8)</A
></DT
><DT
>3.2. <A
HREF="methods.html#HDPARM"
>hdparm(8)</A
></DT
><DT
>3.3. <A
HREF="methods.html#SYSKLOGD"
>sysklogd(8)</A
></DT
><DT
>3.4. <A
HREF="methods.html#XF86"
>XFree86</A
></DT
><DT
>3.5. <A
HREF="methods.html#KDE"
>KDE 3.1</A
></DT
><DT
>3.6. <A
HREF="methods.html#ENERGYSTAR"
>Energy Star</A
></DT
><DT
>3.7. <A
HREF="methods.html#SWAP"
>Swap File</A
></DT
><DT
>3.8. <A
HREF="methods.html#TMPFS"
>tmpfs</A
></DT
><DT
>3.9. <A
HREF="methods.html#MISC"
>Miscellaneous Tuning</A
></DT
><DT
>3.10. <A
HREF="methods.html#MYTH"
>Power Saving Myths</A
></DT
></DL
></DD
><DT
>4. <A
HREF="battery.html"
>Types of Batteries</A
></DT
><DD
><DL
><DT
>4.1. <A
HREF="battery.html#NICD"
>Nickel Cadmium (Ni-Cd)</A
></DT
><DT
>4.2. <A
HREF="battery.html#NIMH"
>Nickel Metal Hydride (Ni-MH)</A
></DT
><DT
>4.3. <A
HREF="battery.html#LIION"
>Lithium Ion (Li-ion)</A
></DT
><DT
>4.4. <A
HREF="battery.html#SMART"
>Smart Batteries</A
></DT
><DT
>4.5. <A
HREF="battery.html#BATCOMP"
>General Battery Care</A
></DT
></DL
></DD
><DT
>5. <A
HREF="intro.html"
>Appendix</A
></DT
></DL
></DIV
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