QEMU/x86
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This page lists arguments that QEMU can use when emulating a x86 or x86_64 guest.
Devices
CPUs
Use -cpu [type][,...] to use a given CPU type. Common ones are listed below.
| Type | OS | Description |
|---|---|---|
| host | Various | The Host CPU. If KVM is enabled, this will clone your host's CPU ID and flags to the VM. |
| max | Various | The Max CPU. If KVM is enabled, this will clone your host's CPU ID and flags, and also enable every possible subfeature. However, unlike host, this CPU type also works with TCG, and allows emulating the max feature set TCG supports (with your QEMU version). |
| kvm32 | Windows 10 | Generic KVM 32-bit CPU. |
| kvm64 | Windows 10 | Generic KVM 64-bit CPU. |
| qemu32 | Windows 10 | Generic KVM 32-bit CPU. |
| qemu64 | Windows 10 | Generic KVM 64-bit CPU. |
| 486 | Windows 2000 | Intel 80486. Not recommended for use unless you are running a DOS VM. |
| pentium | Windows XP | Pentium Pro. Recommended for Windows 3.1, Windows 95, Windows NT 4.0, Windows 98, and Windows Me VMs. Note: If you are running a Windows NT 3.x VM, this CPU is essential to get past the setup. |
| pentium2 | Windows 7 | Pentium II. This can run Windows 7 but is not recommended for anything above 2000. |
| pentium3 | Windows 7 | Pentium III. This can run Windows 7 but is not recommended for anything above 2000. |
| Broadwell | Windows 7 | Intel Broadwell Microprocessor |
| Broadwell-noTSX | Windows 7 | Intel Broadwell Microprocessor (without Intel TSX) |
| Conroe | Windows 7 | Intel Celeron 4x0 (Conroe/Merom Class Core 2) CPU |
| Haswell | Windows 10 | Intel Haswell CPU |
| Haswell-noTSX | Windows 10 | Intel Haswell CPU (without Intel TSX) |
| IvyBridge | Windows 10 | Intel Xeon E3-1200 v2 (codename Ivy Bridge) |
| Nehalem | Windows 10 | Intel Core i7 950 |
| Opteron_G1 | Windows 10 | AMD Opteron 240 |
| Opteron_G2 | Windows 10 | AMD Opteron 22xx |
| Opteron_G3 | Windows 10 | AMD Opteron 23xx |
| Opteron_G4 | Windows 10 | AMD Opteron 62xx |
| Opteron_G5 | Windows 10 | AMD Opteron 63xx |
| Penryn | Windows 10 | Intel Core 2 Duo P9xxx (Penryn) |
| SandyBridge | Windows 10 | Intel Xeon E312xx |
| Skylake-Client | Windows 10 | Skylake generation CPU |
| Westmere | Windows 10 | Intel Westmere E56xx/L56xx/X56xx |
| core2duo | Windows 10 | Intel Core 2 Duo CPU T7700, 2.40 GHz |
| coreduo | Windows 10 | Intel Core Duo CPU T2600, 2.16 GHz |
| n270 | Windows 10 | Intel Atom CPU N270 at 1.60 GHz. Note: This CPU can run Windows Vista/7/8/10, but it is not recommended to run anything above XP due to how paltry the CPU is. |
Mouse
- -usbdevice tablet
- Device: QEMU HID Tablet
- Description: This simulates a "tablet" mouse, and it is synced with the host mouse as it is absolute. This is highly recommended to use and it is supported in nearly all modern Windows, Linux, BSD, and other hosts. Driver is included by default in Windows 2000 and is also possible to use on NT 4.0, 98, 98 SE, and Me.
- -serial msmouse
- Device: Microsoft Serial Mouse
- Description: This emulates a Microsoft Serial Mouse from the 1990s. Although this type of serial mouse is still supported in modern Windows, it is unrecommended and only recommended for Windows 3.x VMs.