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 :: Mailing Lists

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

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

Ken Gilmour ken at playersonly.com
Sun Feb 1 19:02:23 GMT 2004


Hi Timothy

On Sun, 1 Feb 2004 18:27:22 +0000, Timothy Murphy wrote:
>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?

It is a CMOS battery which keeps your BIOS settings and clock settings 
in memory. If you changed the settings before replacing the battery, 
chances are that it is all back to the manufacturing default. If you 
change it and configure it now it will save your changes






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