Does the Powerbook G4 15" 1.5 Ghz come with 2 x 256 chips of ram or one 512 chip? Ive just bought one one abay and it says 512 ram. I want to upgrade but dont want to buy anything untill i know what i need.
Look at system info: ->About this Mac -> More info -> Memory. There, it should tell you how many modules you have.If you have only one module, then one slot (usually the Upper) should be listed as Empty.