The First Open-Source Firmware Released For Modern AMD Ryzen AM5 Platform
The first open-source firmware has been released for a modern AMD Ryzen AM5 platform, specifically the MSI PRO B850-P WIFI desktop motherboard. This release is based on the openSIL and Coreboot projects, and it includes features such as Windows 11 boot support and UEFI Secure Boot. The firmware, known as Dasharo v0.9, has been tested with Zen 4 Phoenix processors and various operating systems, including Ubuntu and Windows 11.
- ▪3mdeb has released the first open-source firmware for a modern AMD Ryzen desktop motherboard, the MSI PRO B850-P WIFI.
- ▪The Dasharo v0.9 release includes support for Windows 11 boot and UEFI Secure Boot, and it has been tested with Zen 4 Phoenix processors.
- ▪The MSI PRO B850-P WIFI motherboard is a typical AMD Ryzen 7000/9000 series desktop ATX motherboard with standard features.
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| Original publisher | Phoronix |
| Canonical URL | https://www.phoronix.com/news/OSS-Firmware-MSI-B850-P-WIFI |
| Publication time | Fri, 31 Jul 2026 14:04:00 -0400 |
| Retrieval time | 2026-07-31T18:23:59.191Z |
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The First Open-Source Firmware Released For Modern AMD Ryzen AM5 Platform Written by Michael Larabel in Coreboot on 31 July 2026 at 02:04 PM EDT. Add A Comment Last month 3mdeb released their open-source firmware for a modern AMD EPYC motherboard from Gigabyte that was built off the new AMD openSIL project and Coreboot. Today 3mdeb has delivered the first open-source firmware release for a modern AMD Ryzen desktop motherboard with having independently brought their openSIL+Coreboot powered Dasharo stack to the readily available MSI PRO B850-P WIFI. In addition to their Gigabyte AMD EPYC motherboard port, 3mdeb firmware engineers have been concurrently porting their Dasharo open-source software stack to the MSI PRO B850-P WIFI.
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