If you have OS 9.0.4 or less and a new Apple Pro Keyboard, you simply need the USB Device Extension from the Extensions-AppleBuilt folder contained in this download. Copy the extension into your System Folder -> Extensions Folder and restart.
IMPORTANT NOTE: The enclosed software is for developmental purposes only. This release of software will support all iMacs, iBooks, PowerMacintosh and PowerBook systems with built-in USB. It will also support USB PCI and Cardbus cards from other vendors. CAREFULLY read the installation instructions detailed in the DDK Readme file. This software requires a modification as documented in the readme file. There are no step-by-step instructions provided to make this modification. This software is pre-release and not directly supported by Apple, nor is it intended for end-users.
The link to Apple Mac OS USB DDK 1.5.5f1 is dead. the link to the file is: ftp://ftp.apple.com/developer/Development_Kits/Mac_OS_USB/USB_DDK_1.5.5f1.img.sea.hqx gives a 550 error. Can you fix this????
