On 1/6/13, Paul Moortgat <paul.moortgat at pandora.be> wrote: > > A friend on visit in the US bought a 4TB Seagate drive ><http://www.storagereview.com/seagate_4tb_barracuda_xt_first_thoughts_review> > On his Power Mac (10.5.8) it will only format or show 1.64 TB. On his >Powerbook (10.7) it will show 1.8 TB. > Does this mean he can't use the full 4TB? Most likely need an ICBM (Intel-chip based Mac) running Lion or Mtn Lion. Power Mac running Leopard won't cut it.