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<?xml version='1.0' encoding="UTF-8"?>
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<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/ati-faq.xml,v 1.50 2011/03/02 07:46:52 nightmorph Exp $ -->
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<!DOCTYPE guide SYSTEM "/dtd/guide.dtd">
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<guide>
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<title>Gentoo Linux ATI FAQ</title>
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<author title="Author">
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<mail link="lu_zero@gentoo.org">Luca Barbato</mail>
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</author>
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<author title="Editor">
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<mail link="peesh@gentoo.org">Jorge Paulo</mail>
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</author>
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<author title="Editor">
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<mail link="blubber@gentoo.org">Tiemo Kieft</mail>
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</author>
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<author title="Editor">
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<mail link="nightmorph@gentoo.org">Joshua Saddler</mail>
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</author>
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<abstract>
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This FAQ should help users avoid some common installation and configuration
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issues related to DRI and X11 for AMD/ATI boards.
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</abstract>
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<!-- The content of this document is licensed under the CC-BY-SA license -->
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<!-- See http://creativecommons.org/licenses/by-sa/2.5 -->
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<license/>
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<version>5</version>
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<date>2011-03-01</date>
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<chapter>
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<title>Hardware Support</title>
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<section>
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<title>Is my AMD/ATI board supported?</title>
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<body>
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<p>
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Many AMD/ATI boards (but not all) are supported by <uri
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link="http://www.freedesktop.org/Software/xorg">xorg-x11</uri>, at least for the
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2D accelerated features. The 3D support is provided either by xorg-x11, or by
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AMD's <uri
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link="http://www.amd.com/us/products/technologies/ati-catalyst/Pages/catalyst.aspx">closed
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source drivers</uri>. AMD's closed source driver only supports R600 and newer
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GPUs. Older GPUs will use the mature open source xorg-x11 driver.
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</p>
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<table>
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<tr>
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<th>GPU</th>
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<th>Common Name</th>
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<th>Support</th>
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</tr>
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<tr>
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<ti>Rage128</ti>
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<ti>Rage128</ti>
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<ti>xorg</ti>
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</tr>
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<tr>
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<ti>R100</ti>
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<ti>Radeon7xxx, Radeon64</ti>
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<ti>xorg</ti>
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</tr>
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<tr>
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<ti>R200, R250, R280</ti>
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<ti>Radeon8500, Radeon9000, Radeon9200</ti>
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<ti>xorg</ti>
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</tr>
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<tr>
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<ti>R300, R400</ti>
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<ti>Radeon 9500 - X850</ti>
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<ti>xorg</ti>
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</tr>
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<tr>
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<ti>R500</ti>
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<ti>Radeon X1300 - X1950</ti>
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<ti>xorg</ti>
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</tr>
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<tr>
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<ti>R600</ti>
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<ti>RadeonHD 2000 series</ti>
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<ti>AMD DRI, xorg</ti>
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</tr>
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<tr>
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<ti>RV670</ti>
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<ti>RadeonHD 3000 series</ti>
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<ti>AMD DRI, xorg</ti>
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</tr>
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<tr>
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<ti>RV770 (R700)</ti>
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<ti>RadeonHD 4000 series</ti>
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<ti>AMD DRI, xorg</ti>
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</tr>
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<tr>
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<ti>R800</ti>
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<ti>RadeonHD 5000 series</ti>
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<ti>AMD DRI, xorg</ti>
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</tr>
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<tr>
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<ti>R900</ti>
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<ti>RadeonHD 6000 series</ti>
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<ti>AMD DRI, xorg</ti>
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</tr>
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</table>
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<note>
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The <uri link="http://www.x.org/wiki/RadeonFeature">Radeon Feature Matrix</uri>
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at x.org lists the open source driver support level for each part of the
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graphics card hardware.
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</note>
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</body>
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</section>
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<section>
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<title>
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I have an All-In-Wonder/Vivo board. Are the multimedia features supported?
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</title>
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<body>
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<p>
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You don't need to use anything special for the board's multimedia features;
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<c>x11-drivers/xf86-video-ati</c> will work just fine.
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</p>
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</body>
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</section>
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<section>
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<title>I'm not using an x86-based architecture. What are my options?</title>
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<body>
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<p>
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X11 support on the PPC or Alpha platforms is quite similar to x86 X11 support.
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However, AMD/ATI's closed source Catalyst drivers are not supported on the PPC
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or Alpha, so you will have to use the open source drivers. The Catalyst drivers
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are only available for x86 and AMD64. The open source xorg-x11 drivers should
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work well on all architectures.
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</p>
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<impo>
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To enable agpgart support for certain old AMD64 chipsets, you have to disable
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support for the K8 IOMMU.
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</impo>
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</body>
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</section>
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<section>
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<title>I have a laptop. Is my ATI Mobility model supported?</title>
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<body>
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<p>
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It should be, but you may have a configuration issue due to the OEM PCI id that
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such chips may have. In such cases, you may have to write the configuration
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file yourself.
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</p>
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</body>
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</section>
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</chapter>
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<chapter>
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<title>Installation</title>
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<section>
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<title>Packages</title>
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<body>
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<p>
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There are two ways of getting drivers for your AMD/ATI card:
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</p>
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<ul>
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<li>The <c>xorg-x11</c> ebuild provides the X11 implementation</li>
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<li>
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The <c>ati-drivers</c> ebuild provides the AMD closed source X drivers
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and kernel modules
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</li>
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</ul>
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<p>
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If you want to use AMD/ATI's <e>internal</e> agpgart support instead of the Linux
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kernel one, the agpgart driver and the chip set specific driver (in your kernel
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configuration) must be built as modules or not at all.
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</p>
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<note>
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Please read the <uri link="/doc/en/dri-howto.xml">Hardware Acceleration
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Guide</uri> for more information on installing drivers for your AMD/ATI graphics
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card.
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</note>
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</body>
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</section>
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<section>
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<title>Configuration</title>
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<body>
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<p>
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You may not need to manually create <path>xorg.conf</path> or modify it. Try
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running without it first. You can also use the Xorg auto configuration option:
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</p>
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<pre caption="Autoconfiguring X">
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# <i>X -configure</i>
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</pre>
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<p>
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For more information on how to get a basic <c>xorg.conf</c> configuration file,
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please refer to the <uri link="/doc/en/xorg-config.xml">Gentoo X Server
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HowTo</uri>.
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</p>
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<note>
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PPC, AMD64, and x86 users can use the <c>xac</c> stand-alone X configuration
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tool by emerging <c>x11-misc/xac</c>, but isn't required.
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</note>
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<note>
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You can use <c>aticonfig</c> if you have installed the <c>ati-drivers</c>
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package.
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</note>
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<impo>
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If you're using <c>ati-drivers</c>, then you'll need to disable <c>radeonfb</c>
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(and probably any other framebuffer drivers) in your kernel config, as it
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conflicts with the built-in framebuffer in <c>ati-drivers</c>.
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</impo>
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</body>
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</section>
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<section>
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<title>Switching to OpenGL</title>
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<body>
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<p>
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Once X is installed, configured, and running, it can use the AMD/ATI OpenGL
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libraries:
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</p>
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<pre caption="Running eselect">
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# <i>eselect opengl set ati</i>
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</pre>
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</body>
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</section>
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</chapter>
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<chapter>
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<title>More Resources</title>
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<section>
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<body>
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<p>
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Please read the <uri link="/doc/en/dri-howto.xml">Hardware Acceleration
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Guide</uri> for more information on configuring your AMD/ATI graphics card.
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</p>
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<p>
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More information on Gentoo Linux and the AMD/ATI Radeon binary drivers can be
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found on the <uri
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link="http://odin.prohosting.com/wedge01/gentoo-radeon-faq.html">Wedge
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Unofficial Gentoo ATI Radeon FAQ</uri>, and on the <uri
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link="http://wiki.cchtml.com/index.php/Main_Page">Unofficial AMD Linux Driver
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Wiki</uri>.
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</p>
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</body>
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</section>
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</chapter>
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</guide>
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