Integrated graphics devices can be passed through to the guest igd-passthru=on|off When Xen is in use, this option controls whether Intel Depending on the targetĪrchitecture, kvm, xen, hax, hvf, nvmm, whpx or tcg can be available. cpu model Select CPU model ( -cpu help for list and additional feature ram, size = 512 M, x - use - canonical - path - for - ramblock - id = off - machine memory - backend = pc. object memory - backend - ram, id = pc. memory-backend='id'Īn alternative to legacy -mem-path and mem-prealloc options.Īllows to use a memory backend as main RAM. hmat=on|off Enables or disables ACPI Heterogeneous Memory Attribute Table memory-encryption= Memory encryption object to use. nvdimm=on|off Enables or disables NVDIMM support. To allow execution of DEA cryptographic functions. This feature controls whether DEA wrapping keys will be created dea-key-wrap=on|off Enables or disables DEA key wrapping support on s390-ccw hosts. To allow execution of AES cryptographic functions. This feature controls whether AES wrapping keys will be created aes-key-wrap=on|off Enables or disables AES key wrapping support on s390-ccw hosts. Supported by the host, de-duplicates identical memory pagesĪmong VMs instances (enabled by default). mem-merge=on|off Enables or disables memory merge support. dump-guest-core=on|off Include guest memory in a core dump. vmport=on|off|auto Enables emulation of VMWare IO port, for vmmouse etc. Specified, the next one is used if the previous one fails to Depending on the targetĪrchitecture, kvm, xen, hax, hvf, nvmm, whpx or tcg can be available.īy default, tcg is used. Supported machine properties are: accel=accels1] This is used to enable an accelerator. QEMU will support machine types from many previous versions. Skip multiple intermediate releases when upgrading, new releases of To allow live migration of guests from QEMU version 2.8.0, to QEMU For example, the 2.8.0 release introduced machine types Use -machine help to listįor architectures which aim to support live migration compatibilityĪcross releases, each release will introduce a new versioned machine Standard options ¶ -h Display help and exit -version Display version information and exit -machine name] Qemu-system-x86_64 some.img -audiodev ,id= -machine pcspk-audiodev=
#Dosbox windows 3.1 preconfig Pc#
The PC speaker audio device can be configured using the pcspk-audiodev
#Dosbox windows 3.1 preconfig windows#
Qemu-system-x86_64 dos.img -device gus,irq=5ĬS4231A is the chip used in Windows Sound System and GUSMAX products Qemu-system-x86_64 dos.img -device gus -parallel none Must be told to not have parallel ports to have working GUS. Note that, by default, GUS shares IRQ(7) with parallel ports and so QEMU QEMU uses YM3812 emulation by Tatsuyuki Satoh. QEMU uses the PC BIOS from the Seabios project and the Plex86/Bochs LGPL
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