Andy Smith <andy@xxxxxxxxxxxxxx> > There is a standard called IDEMA LBA1-03: > > http://www.idema.org/wp-content/downloads/2169.pdf > > This says that a certain "marketing capacity" (i.e. when the drive > product description says "2TB" or whatever) will equal an exact > number of 512 or 4096 byte sectors. thanks a lot for the information! now I understand what happened to my disk drives :)