Re: [OT] Dead soldered CMOS battery (was:Re: [Thinkpad] 240x - won't boot,blank screen, no beeps - help

From: RWM <RWM_at_RWMann.com>
Date: Wed Jan 28 2004 - 14:26:04 EST

David Ross wrote:

> James wrote:
> > Granted, having to change the MB when the CMOS battery dies is a definite
> "what
> > were they thinking" moment!
>
> Has anyone here managed to attach a new battery (possibly an external one)
> to a dead CMOS battery in this kind of situation? I ask because I have a
> laptop (not a ThinkPad) which has a dead soldered-on CMOS battery which I
> would like to resuscitate.

It's routinely done with Compaq desktops, though oddly, a 4.5V bundle of
Alkaline cells is used to bypass a soldered on 3V Lithium button.

- RWM

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Received on Wed Jan 28 14:28:41 2004

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