First open-source firmware for AM5 officially launches — Dasharo v0.9.0 brings Coreboot and openSIL to Zen 4 APUs on MSI B850

Tom's Hardware
Aug 2, 2026, 8:10 am186 ptsTrendingTop
Firmware development company 3mdeb has officially launched the first open-source UEFI firmware for AMD's AM5 platform. In a blog post, the company announced Dasharo v0.9.0 featuring initial support for Zen 4 Phoenix APUs and MSI's Pro B850-P WiFi motherboard. The firmware is built on Coreboot and AMD's openSIL,…

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