Dear list, I know this must sound like a stupid question, but how do I know if I have an aluminum or titanium powerbook G4. The particulars: Purchased Nov, 2004. Machine Model: PowerBook G4 17" CPU Type: PowerPC G4 (1.1) Number Of CPUs: 1 CPU Speed: 1.5 GHz L2 Cache (per CPU): 512 KB Memory: 1 GB Bus Speed: 167 MHz Boot ROM Version: 4.8.6f0 Serial Number: W84381FFQRV It has a MATSHITA DVD-R UJ-825 and a Hitachi IC25N080ATMR04-0 80 GB hard drive. Again, apologize if this is stupid question but I really do not know. Lee -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: text/enriched Size: 665 bytes Desc: not available Url : http://listserver.themacintoshguy.com/pipermail/x4u/attachments/20051122/a425462e/attachment.bin