Interesting?

I pose a question to you then..

With Sony having to recall batteries for every laptop manufacturer except
themselves.. Was this an actual hardware fault, or a firmware fault telling
the hardware todo something incorrectly?

Interested to hear your response!

Thanks, David Moyle
----------
Bertram, Western Australia
E-Mail: [EMAIL PROTECTED]

"If a cluttered desk is characteristic of a cluttered mind, what does an
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-----Original Message-----
From: WAMUG Mailing List [mailto:[EMAIL PROTECTED] On Behalf Of Kathy
Quinlan
Sent: Saturday, 28 April 2007 6:22 PM
To: WAMUG Mailing List
Subject: Re: Apple Battery Fix

David Moyle wrote:
> Evening all!
<elsnipo>

> I'm still slightly surprised that it's a firmware issue and not something
> electrical/physical!

All Modern battery packs have a micro controller inside them, these run 
firmware (as it is not on a removable media) 90% of problems can be 
fixed with a software update :)

I used to design intelligent chargers for Li* batteries, the hardware 
was designed in a day, the firmware took about 6 months to design and 
test. Even then we had a fault when the manufacturer changed the battery 
packs mid production ( new pack could not be charged at the high rate 
due to the internal temperature altering the electrical characteristics 
of the charge cycle.

-- 
Regards,

Kat.

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