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54 lines
1.6 KiB
Markdown
54 lines
1.6 KiB
Markdown
---
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title: Chipset
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description:
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published: true
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date: 2022-01-25T21:53:38.960Z
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tags:
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editor: markdown
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dateCreated: 2021-11-13T11:56:47.463Z
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---
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# Virtual chipsets
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Just as physical computers, virtual machines are build around a central chipset.
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## Available chipsets for virtual machines
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### i440fx
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The `i440fx` virtual chipset is a legacy chipset, compatible with PCI.
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### Q35
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The `Q35` virtual chipset is based on a modern chipset, compatible with PCI-Express.
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### virt
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The `virt` virtual chipset is the most modern chipset, compatible with PCI-Express. It only supports [virtio-devices](/virt/vm/virtio).
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## Comparison
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| | `i440fx` | `Q35` | `virt` |
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| :- | :-: | :-: | :-: |
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| *Firmware* | [SeaBIOS](/virt/vm/firmware#seabios) / [OVMF](/virt/vm/firmware#ovmf) | [SeaBIOS](/virt/vm/firmware#seabios) / [OVMF](/virt/vm/firmware#ovmf) | [OVMF](/virt/vm/firmware#ovmf) **?** / [RHF](/virt/vm/firmware#rust-hypervisor-firmware) |
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| *PS/2 devices* | **Yes** | **Yes** | No |
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| *USB Controller* | **Yes** | **Yes** | ? |
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| *SATA Controller* | No | **Yes** | ? |
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| *IDE Controller* | **Yes** | No | No |
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| *Floppy Controller* | **Yes** | No | No |
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| *TPM Support* | No | **Yes** | ? |
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| *PCI-Express Bus* | No | **Yes** | **Yes** |
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| *PCI Bus* | **Yes** | No | No |
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| *Virtual Function I/O* | No | **Yes** | **Yes** |
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> The *`i440fx` and `Q35` chipsets are currently supported by Phyllome OS. Early support for the `virt` model is expected for the Beta version*
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{.is-info}
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## Resources
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* [Official documentation](https://wiki.qemu.org/Features/Q35) on Q35
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---
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*[**Go back to parent page**](/virt/vm)* |