I have a beige G3 that I would like to get to run for use by my younger kids. Cannot boot up from OSX 10.3 install CD. Keep on getting gray screen with question mark and floppy icon. Tried restart while holding down C and also while holding down command option P and R through two and three tones. Anyone have any ideas on how I can get this G3 to boot off the CD instead of looking for the floppy?