>> P.S. I bought my 256 MB chip from 1-800-4MEMORY, and have no >> complaints, except that their website doesn't seem to think that my >> iBook can take 512MB. Too bad, because their prices are cheaper on >> the >> 256MB sticks. > > Sure they do: > http://www.18004memory.com/category.asp?catid=9&subcatid=902 > > _Chas_ That is the same web page I checked out, and the largest chip they list for a clamshell iBook (maximum 466MHZ) is the 256MB. The 512MB is only listed for the 500 to 800 MHz iBooks at 18004memory. Dave.