Digidesign and many of our Development Partners use key-disk copy-protection from Pace for applications and plug-ins. The 1999 Blue & White G3s do not include a built-in floppy drive. A USB drive capable of reading floppy disks is required for Pro Tools Installation. First, please check the latest Digidesign Compatibility Documents for the devices that Digidesign has tested and approved. The Compatibility document is available at www.digidesign.com (as of August 1, 1999) the two supported devices are the Imation SuperDisk, superdisk.com , latest driver updates at / imation.com and the NewerTechnology Udrive, newertech.com For information on the latest Pace USB floppy enabler, you can find links on the Pace site at www.paceap.com can also be found on the Digidesign site at www.digidesign.com