Apple last night released updated firmware for its SuperDrive, update 2.1.

The 12MB update is for Intel-based Mac portables running Mac OS X 10.4.4 or later. Appropriate systems include all 15-inch and 13-inch MacBooks and MacBook Pros.

The company explains that the SuperDrive Update improves readability of certain CD media.

The application will be installed in the /Applications/Utilities folder. Mac users must follow the instructions provided by the updater application to complete the update process.

The software is available for direct download here.