Just as with physical computers, virtual machines are built around a central chipset.
These virtual chipsets are routinely updated. If no version of a chipset is defined, it is the latest that will be used.
There are three main chipsets,
Q35 and the more recent
|Firmware||SeaBIOS / OVMF||SeaBIOS / OVMF||Modified OVMF / RHF|
|Virtual Function I/O||No||Yes||Yes|
Q35chipsets are currently supported by Phyllome OS. Early support for the
virtmodel is expected for the Beta version
i440fx virtual chipset is a legacy chipset, compatible with PCI.
Q35 virtual chipset is based on a modern chipset, compatible with PCI-Express.
Did you know that the Open Virtual Machine Firmware (OVMF), which is based on TianoCore, is the default firmware for EFI-based virtual machines? Its configuration utility can be accessed using the Esc key.
The TianoCore splash screen
virt virtual chipset is the most modern chipset, compatible with PCI-Express. It only supports virtio-devices.