• Updated 2023-07-12: Hello, Guest! Welcome back, and be sure to check out this follow-up post about our outage a week or so ago.

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  1. douglasgb

    PowerBook 500 battery replacement

    I got a pretty nice PowerBook 540c but of course the batteries were dead. After a lot of research and reading, I decided to try to make them work again. I did not relish trying to solder or epoxy batteries together. Given the advances in AA battery power, I decided I would try a ready-made pack...
  2. douglasgb

    Kingston KTA-PB500/32 RAM

    I recently bought a 24MB RAM card for my PB540c made by 'Advantage Memory' that has a few capacitors as well as zero-ohm resistors (jumpers) that I assume let the computer detect the size of the card. There was also a 32MB card for sale and I compared its pictures and noticed it had all of its...
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