On Nov 25, 2004, at 3:18 AM, Kirk McElhearn wrote: > On 11/25/04 3:13 AM, "Phillip Burk" <philburk at mac.com> wrote: > >> Neither identify the exact process of accessing said serial number, >> however. There HAS to be a method of access. The data is being read >> from somewhere. If we can read from it chances are it's writable. > > Why? There are things written in firmware that you cannot write to. Because I have a very close friend who is a developer with Apple that has a G5 tower with no serial number returned. His machine is refurbed so I expect that either the EEPROM has been flashed empty or the number wasn't flashed in.