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[ILUG] What is the battery in a computer for?

[ILUG] What is the battery in a computer for?

Timothy Murphy tim at birdsnest.maths.tcd.ie
Sun Feb 1 18:27:22 GMT 2004


My ancient desktop (which I never use directly,
though it is my ADSL link to the woirld)
has had a curious "booting sickness" for some time --
it won't boot from the hard disk,
and sometimes won't boot from a floppy either --
only from a CD.
(All are listed in the BIOS.)
I only reboot it every 2 or 3 months,
so this doesn't matter too much.

Following the advice of this august group some weeks ago,
I replaced the CR2032 battery today.
This didn't actually have any effect,
but what I found surprising was that the computer functioned just as well
(or badly) without the battery in at all.

So what exactly is the battery for?

-- 
Timothy Murphy  
e-mail (<80k only): tim /at/ birdsnest.maths.tcd.ie
tel: +353-86-2336090, +353-1-2842366
s-mail: School of Mathematics, Trinity College, Dublin 2, Ireland



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