What is PRAM (Parameter RAM), where does the battery live and how can I change it?
“); // –> A: Whenever something goes wrong with your PowerBook, you will often find people tell you to try resetting your PRAM. PRAM is shorthand for “Parameter RAM”, meaning the small section of memory where all of the user and system preferences are stored. This memory has to be maintained when the system is switched off, so it is powered by a small battery. This makes sure that between uses your system maintains all of the useful information that it needs to keep it set up to your exact specifications (virtual memory status, startup disk, amount of memory installed, date and time etc.). PRAM can become corrupt, or perhaps jumbled is a better description. This can cause problems – such as not allowing new memory or peripherals to be recognized. You can normally fix this by wiping the PRAM memory and thus starting with a clean slate. The result is that you have to reset all of your user preferences, the date and time, and so on. To reset PRAM you can press the small button that nestl