As I can remember it's not carried in the ROM or elsewhere in software. I know Profiler doesn't pull it up. It may be on the inside somewhere....anyone break one open recently? Ivan? ;-) >Is there any software that I can use to find the serial number of my 2400? >The sticker on the bottom has come off. > >Eliot > Ralph Mawyer, Jr. San Antonio, Texas Associate Editor mac2400 ... http://www.sineware.com/mac2400 Your PowerBook 2400 Reference Site "They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety." Benjamin Franklin, 1759.