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<li class="breadcrumb-item active">i440fx PC (<code class="docutils literal notranslate"><span class="pre">pc-i440fx</span></code>, <code class="docutils literal notranslate"><span class="pre">pc</span></code>)</li>
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<section id="i440fx-pc-pc-i440fx-pc">
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<h1>i440fx PC (<code class="docutils literal notranslate"><span class="pre">pc-i440fx</span></code>, <code class="docutils literal notranslate"><span class="pre">pc</span></code>)<a class="headerlink" href="#i440fx-pc-pc-i440fx-pc" title="Link to this heading"></a></h1>
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<section id="peripherals">
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<h2>Peripherals<a class="headerlink" href="#peripherals" title="Link to this heading"></a></h2>
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<p>The QEMU PC System emulator simulates the following peripherals:</p>
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<ul class="simple">
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<li><p>i440FX host PCI bridge and PIIX3 PCI to ISA bridge</p></li>
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<li><p>Cirrus CLGD 5446 PCI VGA card or dummy VGA card with Bochs VESA
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extensions (hardware level, including all non standard modes).</p></li>
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<li><p>PS/2 mouse and keyboard</p></li>
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<li><p>2 PCI IDE interfaces with hard disk and CD-ROM support</p></li>
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<li><p>Floppy disk</p></li>
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<li><p>PCI and ISA network adapters</p></li>
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<li><p>Serial ports</p></li>
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<li><p>IPMI BMC, either and internal or external one</p></li>
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<li><p>Creative SoundBlaster 16 sound card</p></li>
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<li><p>ENSONIQ AudioPCI ES1370 sound card</p></li>
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<li><p>Intel 82801AA AC97 Audio compatible sound card</p></li>
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<li><p>Intel HD Audio Controller and HDA codec</p></li>
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<li><p>Adlib (OPL2) - Yamaha YM3812 compatible chip</p></li>
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<li><p>Gravis Ultrasound GF1 sound card</p></li>
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<li><p>CS4231A compatible sound card</p></li>
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<li><p>PC speaker</p></li>
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<li><p>PCI UHCI, OHCI, EHCI or XHCI USB controller and a virtual USB-1.1
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hub.</p></li>
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</ul>
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<p>SMP is supported with up to 255 CPUs.</p>
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<p>QEMU uses the PC BIOS from the Seabios project and the Plex86/Bochs LGPL
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VGA BIOS.</p>
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<p>QEMU uses YM3812 emulation by Tatsuyuki Satoh.</p>
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<p>QEMU uses GUS emulation (GUSEMU32 <a class="reference external" href="http://www.deinmeister.de/gusemu/">http://www.deinmeister.de/gusemu/</a>) by
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Tibor "TS" Schütz.</p>
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<p>Note that, by default, GUS shares IRQ(7) with parallel ports and so QEMU
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must be told to not have parallel ports to have working GUS.</p>
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<pre class="literal-block">qemu-system-x86_64 dos.img -device gus -parallel none</pre>
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<p>Alternatively:</p>
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<pre class="literal-block">qemu-system-x86_64 dos.img -device gus,irq=5</pre>
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<p>Or some other unclaimed IRQ.</p>
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<p>CS4231A is the chip used in Windows Sound System and GUSMAX products</p>
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<p>The PC speaker audio device can be configured using the pcspk-audiodev
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machine property, i.e.</p>
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<pre class="literal-block">qemu-system-x86_64 some.img -audiodev <backend>,id=<name> -machine pcspk-audiodev=<name></pre>
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</section>
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<section id="machine-specific-options">
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<h2>Machine-specific options<a class="headerlink" href="#machine-specific-options" title="Link to this heading"></a></h2>
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<p>It supports the following machine-specific options:</p>
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<ul class="simple">
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<li><p><code class="docutils literal notranslate"><span class="pre">x-south-bridge=PIIX3|piix4-isa</span></code> (Experimental option to select a particular
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south bridge. Default: <code class="docutils literal notranslate"><span class="pre">PIIX3</span></code>)</p></li>
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</ul>
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</section>
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