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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.
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