On Feb 2, 2019, at 5:07 AM, [email protected] wrote:
> 
> The batteries are dead but it will run off of the AC adapter. Any 
> solution on the batteries?
>  
> It would be easiest to start with a new functional machine, but my son 
> wants to try to fix it, and I am ok with that.
>  
> What's the best OS to run on the 520? I've noted that it crashes when 
> booted with extensions, but will boot to stable with extensions 
> off...but then you can't do anything with the machine. It looks like it 
> has 8.1 on it...with tons of extensions. We haven't used it for a long 
> time; it was my wife's machine back in the day.



It’s been a long time but I remember reading about a refurbishment of the 
500-series batteries. It involves cutting the original apart at the seam line 
and replacing with some Panasonic batteries, I believe it contains six cells.

If it is running 8.1 I think it has to be PowerPC, isn’t it? I have 8.0 on my 
100mhz upgraded model.
About to hit the garage to look around…...


JeffH
“Wonder is the beginning of wisdom.” 
Socrates

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