Enthusiast hacks Valve’s AMD-first gaming OS to run on Intel hardware — SteamOS boots on Intel Arc B580 desktop GPU, but it takes a Radeon card, installer workaround, and Resizable BAR fix
AI disclosure
Summary
A Reddit user has shown SteamOS running on an Intel Arc B580 desktop GPU, but the early proof of concept required a Radeon-assisted install workaround and Resizable BAR to recover performance.