crwdns2934241:0crwdne2934241:0 rab777hp
crwdns2934249:0crwdne2934249:0:
Your computer's fairly old so it's not surprising it should need a new drive, any of the ones [http://www.ifixit.com/Mac-Parts/PowerBook-G4-Aluminum-12%22-867-MHz#0-Optical+Drives|here] would be fine.
crwdns2915684:0crwdne2915684:0:
open