Re: Weather warning!

In message <063cc1894d.Dave@xxxxxxxxxxxxxxxxxxxxxx>
Dave Barnett <harddave@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:

> In a recent message
> druck <news@xxxxxxxxxxxxxxxx> wrote:
>
> [snip]
> > > The time has reset to 00:00:00 1/1/00 ! Some config settings seem
> > > lost, where is the CD? Reset some things (CRAFT again, what was the
> > > config?).
> >
> > This happened when I disconnected the PSU to put a quieter fan in it. I
> > initially suspected the CMOS rechargable battery had failed, but its
> > maintained time and settings since when powered off. There may be
> > something I'm not aware of that cause a CMOS reset when the PSU cable is
> > unplugged - can think what though, and no mention of it in the TRM as far
> > as I can see.
> >
> From a position of total ignorance of RPC circuitry, it could have
> something to do with the recharging circuit for the CMOS battery.
>

Its very easy to momentarily short out the CMOS battery when removing
(lifting out) a RPC power supply, doesn't seem to cause any long term harm
to the battery in my experience - a long term short may well be different
though!


Regards, David.

--
David Mc Dowell: RISC OS 4 Authorised Installer
Acorn User since discovering the 'Atom' in 1979
Member: Cambridge RISCOS Users Group - CAMRUG
Cambridgeshire, United Kingdom.
.