This is one thing that I have been working on for the past two weeks. I went on Apple's website, and Crucial's website to figure out the kind of RAM that my iBook could use. (iBook 1054) I have tried the RAM from Newegg--I had the kind of RAM down from the Crucial website and I found the best deal on Newegg, but it didn't work. Then I went on Apple's website and found the kind of RAM that should have worked--which was different from the kind found on Crucial.com. I ordered that from eBay, it didn't work. What is the kind of RAM that I need to get? Has anyone else had this problem because I actually want to upgrade my iBook. Much thanks.