> I have this original ibook, and I want to upgrade the RAM so I can > install > OS X. I have seen many memory sites state that although the MAC specs > don't > say the clamshell can take 512, they really can. Now I have this > concern > about the firmware update, OS X, and non-Apple RAM. If it's any help, I've had a 512MB module in my Key Lime iBook for more than a year, and have had no trouble with it; I think I bought it from <18004memory.com>. BRIAN/bpearce at cloud9.net <http://www.redjacketpress.com>