[Voyage-linux] Re: Re: Alix Power Button

[Michael Steinmann]

oh, I get it, I was thinking of a power-off switch to cut power.
yes, all alix boards have a switch S1 (on some models it is not populated,
but one could solder it there)

-Michael

2010/9/23 Andreas Delleske <delleske at vauban.de>

> Dear Edgar,
>
> >> I am a newbie, so maybe my question is a little stupid :( ... but anyone
> >> knows how to connect a power button to the alix2dX board?
> >>
> >> I have connected a hard drive to this board and would be great to
> shutdown
> >> the operating system gracefully.
>
> > there is no such thing as a power button on the alix2 boards, they're
> > intended to run 24/7.
>
> Well there IS an option (for ALIX 3D3 at least) to solder a power
> button to the ALIX as ALIX has a general purpose I/O.
>
> http://www.twam.info/linux/gpio-on-alix3d3
>
> http://voyage-linux.34677.n3.nabble.com/Fwd-What-about-GPIO-support-for-ALIX-3D3-td875443.html
>
> You might then provide a daemon or something else to detect operation
> / processing interrupt (if possible?) of the switch and then shutdown
> -h now.
>
> The following is for the WRAP board, so maybe not useful for the ALIX:
>
> http://wiki.voyage.hk/dokuwiki/doku.php?id=wrap_switches&s=gpio
>
> I did not try anything like that, I'm only using the LED and they work
> fine.
>
> I think this might be a useful option to implement or research in
> future voyage versions, as we might usw ALIX with VGA as a lightweight
> terminel (see LTSP project:
>
> https://wiki.kip.uni-heidelberg.de/KIPwiki/index.php/EDV:LTSP/alix3d3
> - in German)
> --
> Kind regards
> Andreas
>
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