> I don't think devices before t5 and treo 650 are unreliable just
because 
> you can lose your data due to battery depletion. Who takes hanheld 
> devices seriously don't use them just like that old computer out there

> that someone use every month or so. The average owner use his/her pda 
> very often and keep it charged so he/she can use it (because he/she 
> needs the information stored). Besides, a device won't turn on if
there 
> isn't enough power, just to keep data a few more days (a week or so).
A 
> way to improve this protection would be just increase a few mV the 
> critical threshold to keep data on memory without sacrifying that much

> the time the device can be on, even on devices such as phones where
user 
> can keep using it (ie. talking) until run out of battery.

I wasn't going to wade in on this... but I want to mention that in some
cases this can be a serious problem. Many of our customers send dozens
-- and in a few cases hundreds -- of devices out into the field for data
collection projects that last from a few days to a few weeks. We've lost
a lot of data due to battery depletion that occurred "in transit". I
just hear a lot of generalizing wrt how handhelds are used.  I for one
feel that non-volatile memory is one of the most important additions to
the handheld world in a long time. That said, I can't speak to how well
it's been implemented on the T5 and Treo 650, because I haven't used
either device yet.  The battery on my Simulator works great though... :)

-Mark

Mark Cameron
Techneos Systems Inc.

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