On 11/25/03 22:21, "Gary Archer" <garcher at mac.com> wrote: > I have not been able to discover if the iBook would support a 1GB SODIMM > add-on or is it physically or firmware limited to a 512M add-on. It does support the 1GB additions; but they're very expensive. Kirk Co-author of: Macworld Mac Upgrade and Repair Bible http://www.mcelhearn.com/bible.html . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . kirk at mcelhearn.com | http://www.mcelhearn.com . . . . . . . . Kirk McElhearn | Chemin de la Lauze | 05600 Guillestre | France . .