I just saw the link posted by joezydeco (above). It has good links to information on this particular avenue of optimization, particularly: http://elinux.org/Sus

I just saw the link posted by joezydeco (above). It has good links to information on this particular avenue of optimization, particularly: http://elinux.org/Suspend_To_Disk_For_ARM http://elinux.org/Suspend_To_Disk_For_ARM