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echo: tech
to: Wayne Chirnside
from: Roy J. Tellason
date: 2003-02-05 04:06:12
subject: CMOS battery

Wayne Chirnside wrote in a message to All:

 WC> Anyone know if installing a CMOS battery backwards will damage the 
 WC> CMOS?

It might.  I've known reverse-connected CMOS chips to get *real* hot. 
Sorta acts like a forward-biased diode...

 WC> I installed a new battery and it STOPPED the clock despite putting 
 WC> it in as indicated.

Hmm.

 WC> I'm thinking of reversing it from what the holder is marked
 WC> as I don't ubderstabd this.

That is pretty weird.

 WC> Clock holds fine when the machine is on with no battery.

You may have a screwed up checksum or whatever it is that they use in
there. There are ways to fix that,  if that's what's happening...

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