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Tom’s Hardware

Technology

Aaron Klotz

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

Zen 4 CPU.

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, the latter being AMD’s new open-source firmware framework.

The patch notes are comprised of 19 features to make the open-source code work on the B850 board, including the following: a UEFI-compatible boot interface, UEFI Secure Boot support, fTPM support, fast boot support, EFI system partition scanning, quiet boot and fast boot support, AMD CPU temperature reporting, and integrated SBOM.

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