Are you saying that the drive must be replaced?
I've been unable to locate a drive --I searched for ATA DVD/CD BURNER at the three places you suggested with these results:
macsales.com: "There were no results for ATA DVD/CD BURNER to fit Mac G5 tower"
newegg.com "We have found 0 items that...
I have a Power Mac G5 with the stock built-in CD/DVD drive. I'm running OS 10.4.11.
Suddenly the DVD drive won't work nor does the drive show up in the system profiler. When I click on the DVD alias icon in the dock I get this error message:
"There was an initialization error. A valid...