mad_ady wrote:Try to run with nographics switch on and choose a conservative governor (presumably the cpu doesn't need to operate at full frequency all the time). Additionally if you can do the job with a lower top frequency limit that as well. I doubt you can rurn off power to the usb subsystem and gain much
sudo ifconfig eth0 downwill reduce around 250mW if you don't use Ethernet connection.
echo 126 > /sys/class/gpio/export
echo out > /sys/class/gpio/gpio126/direction
echo 0 > /sys/class/gpio/gpio126/value
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