I've an ABIT BE6 motherboard with Intel 440BX chipset and 850MHz (FSB100) Intel Pentium III 850MHz processor. I've had powerd enabled on 0.69.2 and everything worked fine. When upgrading to 0.7 it caused very high load, see forum here: https://sourceforge.net/apps/phpbb/freenas/viewtopic.php?f=99&t=4934 After disabling the function and restarting, the load got back to normal.
But Status/System's CPU usage bar refoses to display anything and shows "Updating in 5 seconds" message. Status / Graph's CPU load graph shows 0% all the time. Both display functions (and powerd also) were working perfectly under 0.69.2