Angus, I haven't installed one personally but hear that they are ay-ok. Trans International (www.transintl.com) in fact delayed emailing me an answer until they could get verification on it. Also had verification from a vendor here in Japan. Be sure you get the right type. But maybe it's personal experience from list members that you are after... Rick > I'm just wondering if anyone has successfully used the (non > apple-endorsed) 1gb ram chips in a g4 ibook. Any info/pointers would be > useful. > > Cheers, > -Angus