Source code of Windows XP (NT5)
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<HTML><HEAD><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=windows-1252"><META NAME="Generator" CONTENT="Microsoft Word 97"><TITLE>AGP440</TITLE></HEAD><BODY LINK="#0000ff">
<FONT FACE="Verdana" SIZE=5><H2>AGP440</H2></FONT><FONT FACE="Verdana" SIZE=2><P><span style="color:#FF0000;font-size:10pt;font-family:Arial">[This is preliminary documentation and subject to change.]</span></P>
<H3>SUMMARY</H3></FONT><FONT FACE="Verdana" SIZE=2><P>This is an AGP chipset driver sample that shows how to write an AGP driver. The sampleworks as a driver for the Intel® 440LX/BX® chipset. Since the hardware thatit drives is Intel-specific, the sample does not work on Alpha platforms. Also, currently there is no corresponding hardware for any 64-bit platform.
<H3>BUILDING THE SAMPLE</H3></FONT><FONT FACE="Verdana" SIZE=2><P>
The sample is built with the standard DDK BUILDutility in the standard checked or free DDK build environment.Simply type <B>build</B> from the \\Ntddk\Src\Kernel\Agp\Agp440 directory. A successful build produces Agp440.sys.
<P>An installation file, Agp440.inf, is provided. Install Agp440.sys bycreating an installation directory containing the Agp440.sys binary and Agp440.inf.<P>
In the .inf file, change the names and PCI IDs as necessary for your setup.
Then, go into <B>Device Manager</B> and right-click on the PCI-PCI bridge that represents your AGP bridge. Select <B>Properties</B>. Then select the <b>Driver</b> tab and click the <b>Update Driver</b>button. Follow the prompts in the Update Driver wizard. On the <b>Locate Driver Files</b> page,select <b>Specify a Location</b>, and enter the location of your .inf and driver.
<H3>RESOURCES</H3></FONT><FONT FACE="Verdana" SIZE=2><P>See <a href="http://intel.com/design/chipsets/440bx/index.htm">http://intel.com/design/chipsets/440bx/index.htm</a> for more information on the AGP chipset.
<H3>CODE TOUR</H3><H4>File Manifest</H4></FONT><U><PRE>File		Description</U>Gart.c 	 Routines for querying and setting the Intel 440xx GART apertureAgp440.h 	Additional GART aperture control routinesAgplib.h	Private header file for the common AGP libraryAgp440.inf	Install file for AGP sampleAgp440.rc	Resource templateMakefile	Standard Windows NT makefileAgp440.htm	The documentation for these samples (this file).
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