Apple ATI Radeon X1900 - 1.0 update:
http://www.versiontracker.com/dyn/moreinfo/macosx/33306
Product Description:
The ATI Radeon X1900 XT with 512MB of dedicated GDDR3 memory provides an ideal solution for motion graphics, animation, digital photography, or 3D design and visualization. It offers two dual-link DVI ports that can simultaneously support two 30-inch Apple Cinema HD Displays for an incredibly large widescreen workspace.
What's new in this version:
The ATI Radeon X1900 GT Firmware Update will update the firmware on all of the ATI Radeon X1900 GT graphics cards in the Mac Pro. The updater application will be installed in the /Applications/Utilities folder.
Operating System Requirements:
This product is designed to run on the following operating systems:
* Mac OS X 10.4 Intel
Additional Requirements:
* Mac Pro