On 17 November 2015 at 16:47, Robert Nelson <[email protected]> wrote: >> Good to know, thanks. >> >> I am trying to bring power down, and have been measuring the current >> going into the BBB through the 5V socket with no USB cable connected. >> >> In my first measurement kernel idle was 300 mA. Then I installed >> cpufreputils and that brought the current down to 230 mA because - >> unexpectedly - just installing the Debian package changed the CPU mode >> to "on-demand". Today I managed to bring the current down a further 20 >> mA (to about 210 mA) by disabling HDMI in boot/uEnv.txt. > > We enable 'performance' by default... The thought, boot as fast as we > can, by the time the rootfs loads (and cpufrequtils) we've gotten > mostly up, so safe to switch to on-demand..
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