This is from Battery University site.
> All personal computers (and some other electronic devices) contain
> a battery for memory back up. This battery is commonly a small
> non-rechargeable lithium cell, which provides a small current when
> the device is turned off. The PC uses the battery to retain certain
> information when the power is off. These are the BIOS settings,
> current date and time, as well as resource assignment for Plug and
> Play systems. Storage does shorten the service life of the backup
> battery to a few years. Some say 1-2 years. By keeping the
> computer connected to the main, albeit turned off, a battery on the
> PC motherboards should be good for 5-7 years. A PC should give
> the advanced warning when battery gets low. A dead back-up
> battery will wipe out the volatile memory and erase certain settings.
> After battery is replaced, the PC should again be operational.
I have a Dual-USB iBook. Didn't know I had an internal battery. Anyone
have the URL of a site that might show one how to install a new one???
TIA,
Bob
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