Using the Advantech PCM-5823, we now have Plan9 cpu servers booting under linuxbios. CPU servers in plan9 need local storage for authentication keys. Long ago, this was done with NVRAM. On PCs it has been done with floppy.
On the linuxbios nodes, Andrey has it working using CMOS. As a result we have true all-solid-state Plan 9 CPU servers. We will be building a small cluster of these nodes in coming weeks. ron