Let's take a step back, that link I gave you for the firmware upgrade shouldn't be asking you to burn a cd to install it, it should automatically install.
Quote:
1. Click the Download Only button. 2. At the File Download screen, click the Save button. 3. At the Save As screen, save the file to your Desktop. 4. If a message appears stating that the file already exists, click YES to overwrite file. 5. Double-click the icon for the update downloaded to your desktop, and then click NEXT. 6. Follow on-screen instructions. 7. If prompted to restart the system upon completion of the update, click YES and allow system to restart.