This disk will restore all of the factory sounds including along with all of the factory programs, combinations, sequences and all factory drum & global data.
It also includes the extra factory PCM Data for the T1, T2 EX & T3 EX versions use! It is for use with the T1, T2 and T3 series keyboards. To restore you factory sounds do the following,
There is a youtube video available here to help you https://www.youtube.com/watch?v=cYB6iuQNDNY