On 17/4/05 1:32 am, "M.Milligan" <railfan at telus.net> wrote (in part): > I have a TiBook 667 MHz & an iBook 1.25GHz. They both have the drives > that can play DVD's, but not record them. Does that mean I can install > Tiger on my DVD drive or not? I'm confused. Yes, you can install Tiger on both of your computers as you only need to have a DVD reader (not a DVD writer) to install OS 10.4 Both are listed as meeting the system requirements as you can see for yourself at the following page: <http://www.apple.com/macosx/upgrade/requirements.html> Cheers, Richard --