Hi!
> I have Packard-bell 450M+/4x4 computer and after 13 years of service,
> the BIOS battery has died, causing all sorts of start-up problems.
> How would I go about replacing the battery?
The onboard battery is likely to be a NiCad rechargeable. The computer will
charge it when powered on. Therefore you could try leaving the computer on
for a few days to see if the battery will come up, especially if has been
sitting.
Eventually, it wears out. I've got an Axcel 386SX-16 still running on its
original soldered NiCad, and it looks good--no sign of leakage or age. So
the lifetimes vary somewhat...
What you need may be a little hard to come by. The onboard battery is likely
a 3.6V unit, probably with a colored plastic wrapping around its body. You
may wish to try and remove it, as it can leak and then you will have all
kinds of problems. Anyway, the replacement battery you need is typically a
black rectangular package with a wire lead coming out of it. A four position
plastic plug will be attached to this, but only two positions at each end
will have a wire in them. One wire is - and the other +.
I'm sure that someone is still selling them, somewhere. Used to be that all
the regular suspects (battery makers) had one. I've seen them from
Ray-O-Vac, Duracell and Energizer. Tadiran also marketed one. If you can get
one, it's a plug and go affair, as long as the connector gets plugged in the
right way.
William
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