G5 fans were fixed in FreeBSD 9 methinks, now FreeBSD sits at release 10 Linux had identical fan trouble on G5's, also fixed in that kernel NetBSD is fixed too I expect http://mail-index.netbsd.org/port-macppc/2013/04/13/msg001905.html "I spend several days figuring [G5 SMU] out, thanks to FreeBSD i could fix it" http://people.freebsd.org/~nwhitehorn/ppcinstall.txt "November 6, 2013 ...The very first Powermac G5 systems (PowerMac 7,2) have unsupported fan control if you are using an older release than FreeBSD 9..." [rephrasing: we fixed G5 fans in FreeBSD 9] Ask FreeBSD about such things as I'm just an airhead http://lists.freebsd.org/pipermail/freebsd-ppc/ -- http://www.fastmail.fm - Does exactly what it says on the tin