A growing number of MacFixIt readers are reporting that they are unable to burn DVDs at the advertised speed on newer PowerBooks with Matshita-manufactured SuperDrives.
Most users report that they cannot obtain burn speeds above 2x on drives that are spec'd at 8x. If users attempt to burn at a higher speed, one of two scenarios manifest:
Users experiencing the problem have experimented with a variety of media, including Apple's own branded DVDs, with similar lackluster results.
If you are experiencing a similar issue, please let us know.Resources