A Reddit user has demonstrated that SteamOS, Valve's Arch-based gaming operating system built around AMD silicon, can boot and run on an Intel Arc B580 discrete graphics card. Posting in the r/SteamOS subreddit as SaperPL, they documented the feat this week, pairing the Arc B580 with a Ryzen 5 5600 processor and getting Valve's full gaming-mode interface running on the card. The catch is that reaching that point took a Radeon card, a workaround for a broken installer, and a motherboard setting that nearly sank performance along the way.
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