<HTML ><HEAD ><TITLE >XFree86 Video Timings HOWTO</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="NEXT" TITLE="Disclaimer" HREF="disclaimer.html"></HEAD ><BODY CLASS="article" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="ARTICLE" ><DIV CLASS="TITLEPAGE" ><H1 CLASS="title" ><A NAME="AEN2" ></A >XFree86 Video Timings HOWTO</H1 ><H3 CLASS="author" ><A NAME="AEN4" >Eric Steven Raymond</A ></H3 ><DIV CLASS="affiliation" ><SPAN CLASS="orgname" ><A HREF="http://www.catb.org/~esr/" TARGET="_top" > Thyrsus Enterprises</A ><BR></SPAN ><DIV CLASS="address" ><P CLASS="address" ><br> <TT CLASS="email" ><<A HREF="mailto:esr@thyrsus.com" >esr@thyrsus.com</A >></TT ><br> </P ></DIV ></DIV ><P CLASS="copyright" ><A HREF="ln17.html" >Copyright</A > © 2000 Eric S. Raymond</P ><P CLASS="pubdate" >$Date: 2003/07/14 21:32:42 $<BR></P ><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 6.4</TD ><TD ALIGN="LEFT" >2003-07-14</TD ><TD ALIGN="LEFT" >Revised by: esr</TD ></TR ><TR ><TD ALIGN="LEFT" COLSPAN="3" >URL fixes.</TD ></TR ><TR ><TD ALIGN="LEFT" >Revision 6.3</TD ><TD ALIGN="LEFT" >2003-02-22</TD ><TD ALIGN="LEFT" >Revised by: esr</TD ></TR ><TR ><TD ALIGN="LEFT" COLSPAN="3" >URL fixes.</TD ></TR ><TR ><TD ALIGN="LEFT" >Revision 6.2</TD ><TD ALIGN="LEFT" >2002-02-03</TD ><TD ALIGN="LEFT" >Revised by: esr</TD ></TR ><TR ><TD ALIGN="LEFT" COLSPAN="3" >Minor corrections about mode line autogeneration.</TD ></TR ><TR ><TD ALIGN="LEFT" >Revision 6.1</TD ><TD ALIGN="LEFT" >2001-10-29</TD ><TD ALIGN="LEFT" >Revised by: esr</TD ></TR ><TR ><TD ALIGN="LEFT" COLSPAN="3" >Note that VESA modes top out at 1920x1440.</TD ></TR ><TR ><TD ALIGN="LEFT" >Revision 6.0</TD ><TD ALIGN="LEFT" >2001-08-09</TD ><TD ALIGN="LEFT" >Revised by: esr</TD ></TR ><TR ><TD ALIGN="LEFT" COLSPAN="3" >Clearer explanation of DDC and EDID. This HOWTO is now basically obsolete.</TD ></TR ><TR ><TD ALIGN="LEFT" >Revision 5.0</TD ><TD ALIGN="LEFT" >2000-08-22</TD ><TD ALIGN="LEFT" >Revised by: esr</TD ></TR ><TR ><TD ALIGN="LEFT" COLSPAN="3" >First DocBook version.</TD ></TR ></TABLE ></DIV ><DIV ><DIV CLASS="abstract" ><A NAME="AEN51" ></A ><P ></P ><P ><EM >This HOWTO is effectively obsolete. Current (4.0.1 and up) versions of XFree86 compute optimal modelines from the resolution you specify in the Modes section of your X configuration file.</EM ></P ><P >How to compose a mode line for your card/monitor combination under XFree86. The XFree86 distribution now includes good facilities for configuring most standard combinations; this document is mainly useful if you are tuning a custom mode line for an ultra-high-performance monitor or very unusual hardware. It may also help you in using <SPAN CLASS="application" >kvideogen</SPAN > to generate mode lines, or <SPAN CLASS="application" >xvidtune</SPAN > to tweak a standard mode that is not quite right for your monitor.</P ><P ></P ></DIV ></DIV ><HR></DIV ><DIV CLASS="TOC" ><DL ><DT ><B >Table of Contents</B ></DT ><DT >1. <A HREF="disclaimer.html" >Disclaimer</A ></DT ><DT >2. <A HREF="obsolete.html" >Why This HOWTO Is Obsolete</A ></DT ><DT >3. <A HREF="introduction.html" >Introduction</A ></DT ><DT >4. <A HREF="tools.html" >Tools for Automatic Computation</A ></DT ><DT >5. <A HREF="video.html" >How Video Displays Work</A ></DT ><DT >6. <A HREF="basic.html" >Basic Things to Know about your Display and Adapter</A ></DT ><DD ><DL ><DT >6.1. <A HREF="basic.html#AEN134" >The monitor sync frequencies</A ></DT ><DT >6.2. <A HREF="basic.html#AEN145" >The monitor's video bandwidth</A ></DT ><DT >6.3. <A HREF="basic.html#AEN154" >The card's dot clock</A ></DT ><DT >6.4. <A HREF="basic.html#AEN170" >What these basic statistics control</A ></DT ></DL ></DD ><DT >7. <A HREF="specs.html" >Interpreting the Basic Specifications</A ></DT ><DD ><DL ><DT >7.1. <A HREF="specs.html#AEN210" >About Bandwidth</A ></DT ><DT >7.2. <A HREF="specs.html#AEN217" >Sync Frequencies and the Refresh Rate:</A ></DT ></DL ></DD ><DT >8. <A HREF="tradeoffs.html" >Tradeoffs in Configuring your System</A ></DT ><DT >9. <A HREF="sizes.html" >Memory Requirements</A ></DT ><DT >10. <A HREF="framesizes.html" >Computing Frame Sizes</A ></DT ><DT >11. <A HREF="magic.html" >Black Magic and Sync Pulses</A ></DT ><DD ><DL ><DT >11.1. <A HREF="magic.html#AEN274" >Horizontal Sync:</A ></DT ><DT >11.2. <A HREF="magic.html#AEN307" >Vertical Sync:</A ></DT ></DL ></DD ><DT >12. <A HREF="synth.html" >Putting it All Together</A ></DT ><DT >13. <A HREF="overd.html" >Overdriving Your Monitor</A ></DT ><DT >14. <A HREF="inter.html" >Using Interlaced Modes</A ></DT ><DT >15. <A HREF="answe.html" >Questions and Answers</A ></DT ><DT >16. <A HREF="fixes.html" >Fixing Problems with the Image.</A ></DT ><DD ><DL ><DT >16.1. <A HREF="fixes.html#AEN437" >The image is displaced to the left or right</A ></DT ><DT >16.2. <A HREF="fixes.html#AEN441" >The image is displaced up or down</A ></DT ><DT >16.3. <A HREF="fixes.html#AEN445" >The image is too large both horizontally and vertically</A ></DT ><DT >16.4. <A HREF="fixes.html#AEN448" >The image is too wide (too narrow) horizontally</A ></DT ><DT >16.5. <A HREF="fixes.html#AEN451" >The image is too deep (too shallow) vertically</A ></DT ></DL ></DD ><DT >17. <A HREF="cplot.html" >Plotting Monitor Capabilities</A ></DT ><DT >18. <A HREF="credits.html" >Credits</A ></DT ></DL ></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" > </TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" > </TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="disclaimer.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" > </TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" > </TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Disclaimer</TD ></TR ></TABLE ></DIV ></BODY ></HTML >
