It's actually much older, the 700 series from 2013 were the last to ship without signed firmware. 2013 also happened to be the year of the last AMD CPUs without

It's actually much older, the 700 series from 2013 were the last to ship without signed firmware. 2013 also happened to be the year of the last AMD CPUs without the PSP, so my all-free software computer is still stuck in that year until RISC-V improves.