What are the procedures for a clean install of the operating system. OS version 10.4.11 Hardware Overview: Machine Name: iBook G4 Machine Model: PowerBook6,5 CPU Type: PowerPC G4 (1.2) Number Of CPUs: 1 CPU Speed: 1.33 GHz L2 Cache (per CPU): 512 KB Memory: 1.25 GB Bus Speed: 133 MHz Boot ROM Version: 4.8.7f1 Serial Number: 4H51907SS85 all help appreciated