Laurent,
The Capacitor in the MP2x00 is only there to provide power for the clock
and date functions to continue while you exchange battery packs. So if
your re-chargeable pack is going dead or your battery cage with alkalines
is going dead. You are supposed to turn your newt off, take out the
pack and replace with either new alkalines or recharged pack, then turn
your newt on again.
During the short time your newt is without a battery pack, the capacitor
keeps the date and time functions running to preserve the current date
and time. I believe it also keeps certain preference settings. The
capacitor was not meant to run the newt for any length of time at all.
hope this helps,
-tom
On Wed, 1 Dec 1999, Laurent Daudelin wrote:
> "Gruendel, Frank 3837 PPE-WT" wrote:
>
> > >I think my MP2k needs a new backup battery. It frequently restarts
> > >itself erroneously telling me the battery is dead. In addition,
> > >yesterday it told me after a restart it was July 1969. I know this
> > >isn't true!
> > >How do I replace the battery and how do I get to it?
> >
> > Strange thing. To the best of my knowledge the MP2K's don't have a
> > backup battery. They have a gold capacitor that is able to backup data
> > as long as it takes to change the main batteries plus some "safety time"
> > which I think is about an hour or so.
>
> I never really understood the use of the capacitor, and what you should
> expect from it. What is it used for? Since day 1 of my MP2100, everytime I
> removed the battery, the unit reset. Is it what's supposed to happen? If so,
> what is it good for, then? Unless you do a 'hard reset', you shouldn't loose
> any data stored on the internal memory store, right?
>
> So, can someone once for all explains to me what is this capacitor function,
> in plain English (French would be better, but English is fine ;-)
> --
> -Laurent.
> =====================================================================
> Laurent Daudelin
> Developer, Object Factory, Substrate Fannie Mae
> Phone: 703-833-4266 mailto:Laurent_Daudelin@fanniemae.com
> Fax: 703-833-7555 Usual disclaimers apply
>
>
>
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