Melanie: The same thing happened to me the other day--except 700s.. I bought some TDK 700s and the iBook (dual USB) shows it as 660. I wonder if MacFixit's Applecare alert about CD-RWs in iBooks is pertinent? Gary Melanie Stroud wrote: >I have a G3 iBook with a combo drive. I need to burn some information >that is too much for a 700 MB cd so I got some larger cds. The problem is >my computer doesn't recognize the cd as being 790 MB, but only as 660.7 >MB. My question is - do I need to change some settings or will my >computer never recognize a larger cd? > >Melanie > > >