In my humble opinion, the power button generates an interrupt in software 
and you can write few lines of code to put the bbb in sleep mode as well as 
other peripherals you may want to shut off before going to sleep.

Hope that helps

On Thursday, 31 October 2013 10:26:03 UTC+5, [email protected] wrote:
>
> Hi,
>
> I have a BeagleBone Black with Ubuntu Precise 12.04.2 LTS running on it 
> from a micro-SD card. I want to put my BeagleBone Black in sleep mode (or 
> power saving mode). When I press the "power button" (for a small duration) 
> nothing happens, but when I press the power button for more than 8sec, the 
> board completely shuts down. 
>
> Is there any way to put the beaglebone black on power saving mode, (maybe 
> using a power button or using some command from command line). The 
> beaglebone consumes around 0.24A on normal running (I am not using HDMI 
> output, just using SSH). I want to put the board in sleep/power saving 
> mode, so that the current consumption become less than 10mA. Is it possible?
>
> Regards,
> Rameez Qasim.
>

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