On Tuesday, May 27, 2014 6:31:23 PM UTC+1, RobertCNelson wrote:
>
> On Tue, May 27, 2014 at 12:25 PM, stino <[email protected] <javascript:>> 
> wrote: 
> > I think Gerald was actaully saying the processor might get damaged. I 
> don't 
> > see how a read-only filesystem would solve this a battery powered cape 
> for a 
> > graceful power-down might be option. I don't have the knowledge to 
> > design/build one (relatively) easily. 
>
> Nope, re-read his message, it's with regards to the file system on the 
> (powered at time) media device (eMMC/microSD).  The "processor" can 
> handle power drop's just fine, as it's all ROM inside it. 
>
> Regards, 
>
> -- 
> Robert Nelson 
> http://www.rcn-ee.com/ 
>

No, he said (and he's well-versed in the topic) that the CPU itself could 
be damaged by a power-down.  I've always considered a read-only filesystem 
a prerequisite for household widgets which are on less-than-perfect power 
supplies; what I didn't realise until now was that with the BeagleBone 
that's not enough.  The answer is some sort of battery cape, preferably one 
with a battery-backed RTC as well, since that's the other missing BBB 
peripheral.  Does anyone know of such a cape?

Will

-- 
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