There’s a beta BIOS update that was released today for the AMD AI 300 boards which purportedly handles one particular “600 mhz” issue. I don’t know that it addresses what you’re experiencing - there are notes in the forum post that should be instructive on that topic.
Post: https://community.frame.work/t/framework-laptop-16-ryzen-ai300-bios-3-05-release-beta/