--- Ernie Forcadilla <forca at look.ca> wrote: > >Not invariantly true, as I've had trouble in > switching RAM between them. > >Paul Nelson > > I have 2 PB280c and 2 PB280 and 5 PB2300c and I have > switched RAM > between them. I have only maximum RAM which is 56 > RAM for 2 of my 5 > PB2300c and 2 of PB280's. It depends on the > available RAM your memory > chips have since both duos have only one unique > socket. Some memory > chips have a "piggy back" memory combination wherein > you can > maximized your PowerBook duo's RAM using just one > chip in the socket. > > Ernie > I have both a 280c and a 2300 and the memory chip for the 2300 (24meg) shows up as 12 meg in the 280c, but it still works. This is what makes me wonder if there is a place where you have change a setting? Like, for example, 12 meg is the 16 bit setting and 24 is the 32 bit setting, or something like that?