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+.. _QEMU-PC-System-emulator:
+
+x86 (PC) System emulator
+------------------------
+
+.. _pcsys_005fdevices:
+
+Peripherals
+~~~~~~~~~~~
+
+The QEMU PC System emulator simulates the following peripherals:
+
+-  i440FX host PCI bridge and PIIX3 PCI to ISA bridge
+
+-  Cirrus CLGD 5446 PCI VGA card or dummy VGA card with Bochs VESA
+   extensions (hardware level, including all non standard modes).
+
+-  PS/2 mouse and keyboard
+
+-  2 PCI IDE interfaces with hard disk and CD-ROM support
+
+-  Floppy disk
+
+-  PCI and ISA network adapters
+
+-  Serial ports
+
+-  IPMI BMC, either and internal or external one
+
+-  Creative SoundBlaster 16 sound card
+
+-  ENSONIQ AudioPCI ES1370 sound card
+
+-  Intel 82801AA AC97 Audio compatible sound card
+
+-  Intel HD Audio Controller and HDA codec
+
+-  Adlib (OPL2) - Yamaha YM3812 compatible chip
+
+-  Gravis Ultrasound GF1 sound card
+
+-  CS4231A compatible sound card
+
+-  PCI UHCI, OHCI, EHCI or XHCI USB controller and a virtual USB-1.1
+   hub.
+
+SMP is supported with up to 255 CPUs.
+
+QEMU uses the PC BIOS from the Seabios project and the Plex86/Bochs LGPL
+VGA BIOS.
+
+QEMU uses YM3812 emulation by Tatsuyuki Satoh.
+
+QEMU uses GUS emulation (GUSEMU32 http://www.deinmeister.de/gusemu/) by
+Tibor \"TS\" Schütz.
+
+Note that, by default, GUS shares IRQ(7) with parallel ports and so QEMU
+must be told to not have parallel ports to have working GUS.
+
+.. parsed-literal::
+
+   |qemu_system_x86| dos.img -soundhw gus -parallel none
+
+Alternatively:
+
+.. parsed-literal::
+
+   |qemu_system_x86| dos.img -device gus,irq=5
+
+Or some other unclaimed IRQ.
+
+CS4231A is the chip used in Windows Sound System and GUSMAX products
+
+.. include:: cpu-models-x86.rst.inc
+
+.. _pcsys_005freq:
+
+OS requirements
+~~~~~~~~~~~~~~~
+
+On x86_64 hosts, the default set of CPU features enabled by the KVM
+accelerator require the host to be running Linux v4.5 or newer. Red Hat
+Enterprise Linux 7 is also supported, since the required
+functionality was backported.