Tends to shut off from overheating when processor is very active for a long time, e.g. installing Libreoffice from the Ports Tree.
Adding the following to /etc/rc.conf helps prevent this.
powerd_enable=“YES” powerd_flags=”-a hiadaptive -b adaptive -M 1666“
Touchpad operates as as PS/2 mouse, synaptics driver doesn't work, (or at least I couldn't configure it to work).