On Aug 16, 2005, at 12:59 PM, Crandon David wrote: > Hello everyone, > > Can someone tell me, or tell me where to look, to see how much > memory my uncles iMac can handle. > > It's a Summer 2001 500MHz G3. It came with 64Mb built-in and he's > got a 256Mb chip in there as well. He's gonna upgrade to OSX and > wants to have at least 512Mb. Is the 64Mb chip removable? Both RAM modules are user-replaceable. You can use up to 512MB modules. An example - this is Crucial's listing of compatible modules: http://www.crucial.com/store/listparts.asp?model=iMac+%28G3%2D500% 29&tabid=AM -- Scott Buntin