published unofficial Assembly Steam OS 3 operating system, adapted for installation on ordinary computers. Valve uses Steam OS 3 on Steam Deck game consoles and originally promised to prepare assemblies for ordinary equipment, but the publication of official Steam OS 3 assemblies for devices other than Steam Deck was delayed. Enthusiasts took the initiative into their own hands and without waiting for Valve independently adapted the images available for Steam Deck Recovery for installation on ordinary equipment. The packages supplied in the composition are left unchanged if possible.
After the first load, the user offers a specific initial setting interface for the Steam Deck (Steamos Oobe, Out of Box Experience), through which you can configure the network connection and connect to your accounting record in STEAM. Through the “Switch to desktop” menu in the Power section, you can run the full desktop KDE Plasma.
The proposed test assembly works the initial setup interface, the base interface Deck UI, switching to the KDE desktop mode with the theme of VAPOR, settings of energy consumption restrictions (TDP, Thermal Design Power) and FPS, leading caching of siliders, installing packets from Pacman mirrors -SteamDeck re positors. The AMD FSR (Fidelityfx Super Resolution) technology is supported for systems to reduce the quality of the picture quality when screens with high resolution screens.
Complete support is still provided only for systems with the GPU AMD that support the API VULKAN and VDPAU. To work on systems with GPU Intel is required after the initial load install proprietary drivers nvidia.
The main features of Steamos 3:
- Using the ARCH Linux package base.
- by default, the root fs is available only for reading.
- The atomic mechanism for installing updates – there are two disk sections, one active, and the other no, a new version of the system in the form of a finished image is entirely loaded into an inactive section, and it is marked active. In the case of a failure, you can roll back to the old version.
- A developer mode is provided, in which the root section is converted to recording mode and provides the ability to modify the system and install additional packages using the Pacman package manager standard for the Arch Linux.
- Support for packets Flatpak.
- Pipewire multimedia server.
- Graphic stack is based on the fresh version of Mesa.