opensil

3mdeb has submitted the code needed to move its Phoenix AM5 firmware work from a downstream Dasharo build toward upstream AMD openSIL and coreboot, but the patch sets are under review, not merged. For Windows users, the immediate practical change is smaller: Dasharo v0.9.0 already runs Windows...

3mdeb has released Dasharo v0.9.0 for the MSI PRO B850-P WIFI, delivering the first published open-source firmware stack for a modern AMD Ryzen AM5 desktop platform. The release combines coreboot, AMD’s openSIL silicon-initialization code, and an EDK II UEFI payload—and it has been tested with...

3mdeb’s Dasharo port of coreboot with AMD openSIL can now boot Windows 11 without workarounds on the MSI PRO B850-P WiFi, a consumer AM5 Ryzen motherboard, according to Phoronix’s July 3, 2026 report on the project’s latest progress. That sentence sounds small only if firmware is treated as...