Is the Framework Laptop 16 Ryzen 7 7840HS UEFI open source?
For example, coreboot+EDK2, coreboot+HEADS, Dasharo coreboot
Can the AMD PSP be disabled?
Is the UEFI basically tailored for Windows and only linux installs that can adapt to the Windows security models are possible?
No. None of the commercial BIOS vendors open source their firmware, because trade secrets and all that junk.
Exceptions such as Chromebooks and https://oxide.computer tend to be appliances, and don’t have a full featured BIOS setup screen, not even a way to set the time and date or flash a new BIOS - it all has to happen within the OS.
Framework ships a closed, proprietary Insyde BIOS. Intel CPUs are locked down with “Boot Guard,” as a requirement forced down our throats by Intel. AMD is very much working to achieve an open source firmware here, but that would still leave a gap since Framework needs to buy a complete BIOS, not just the parts included in OpenSIL. What’s missing from OpenSIL is again those BIOS setup screens such as setting the time and date, or updating the BIOS.
I’ll add a PS: SeaBIOS adds that nice friendly BIOS setup to coreboot and libreboot.
It’s unfortunate because the laptop and custom build concept are so good. With MS moving to lock down hardware and the advent of AI, it will get more difficult to implement security and privacy counter measures.
Thanks for the prompt and helpful response.