> 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. I'm using the 500 mhz RAM module in my Key Lime clamshell iBook; I've had absolutely no problems with it. BRIAN/bpearce at cloud9.net