This firmware update is for customers using Mac OS X version 10.2 or later with an Apple Cinema HD Display and a Power Mac G4 with one of the following NVIDIA graphics cards: GeForce2 MX, GeForce2 MX TwinView, GeForce3, or GeForce4 MX. It is recommended that the user upgrade to the most recent version of Mac OS X (currently 10.2.8 or later) before updating to this flasher. This flasher will not work with Mac OS X Versions 10.2.3 or earlier.
These cards require the update to support the high resolution of the Cinema HD Display. The update is required only for customers using Mac OS X 10.2 or later. If you are using Mac OS 9.2.2, or earlier versions of Mac OS X (version 10.1.x), you can use the Apple Display Software on the CD provided with the Cinema HD Display.
You should update the graphics card firmware (using this update or the Apple Display Software) before you connect your Apple Cinema HD Display to your computer.
How to use the NVIDIA Firmware Update
Save all open documents and Quit all applications.
Double-click the file named "NVidiaROMUpdate.pkg."
Type in an administrator password.
After installation is complete, restart your computer.