I have replaced the backup battery in my NMS8255 last week. Originally, it
was a 3.6V/46mA battery that was not available at my local electronics shop,
so I put in a 3.6V/90mA type that was slightly bigger. That was not a
problem since there's enough room on the PCB.
Now screen settings, date and time are saved again, but the clock is not
running! After installing the new battery, I have set the correct date and
time. Since then, if I should believe the computer, not a second has passed.
This is weird. What could be wrong?
Pierre
> Looks like a failing battery. Rechargeable batteries tend to have shorter
> cycles when they get older. So the battery is not having enough power
> shortly after being charged and the computer was switched off. This could
> explain it running behind.
>
> Anoher less probable cause could be the oscillator being off tune. Easy to
> check by checking the time on a running machine after a couple of hours.
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