We haven't covered BSD a great deal in this blog even though I personally run NetBSD on three systems myself (two of which are in regular service), mostly because my system and I suspect the majority of the OpenPOWER install base is on Linux. However, FreeBSD 11.3 is now officially released and has fairly good support for 32-bit and 64-bit PowerPC on Power Mac hardware, so it's worth pointing out that 12.0 (and 13.0) has also been tested on the Blackbird and thus should also work on the Talos II. However, on the PowerPC wiki page -CURRENT is recommended for Blackbird, 12.0 is mandatory for OpenPOWER (thus 11.x won't work and presumably won't ever work), and X11 is currently listed "on Power8/Power9 [as] still a work in progress." Nevertheless, POWER8 systems also work, hardware support is improving and the OS offers another big-endian option for people preferring to run their systems that way, so hopefully Justin or Mark who are more versed in the FreeBSD world than I am have some comments about how well it works for others to explore.