Rio Digital Audio Player Rio Software 2.61. This file is provided to owners and users of the Rio Karma, Nitrus, Cali, Chiba, Fuse, S10, S50, S30S, and S35S audio players for the express purpose of installing the Rio Music Manager, Rio Taxi, and Rio Internet Updater. All required drivers are installed at the same time.Resolved issue with Double-byte character trouble with Nitrus & Eigen players.Resolved issue with Napster file transfer. Do use the latest driver version available, it will help you use the facilities of your hardware easier and better. An old version can create hardware conflicts and errors in function. Try to stay updated with your drivers monthly or sometimes weekly. Chose wisely the specific drivers: motherboards driver, bios, graphic cards drivers, modem drivers and so on. Chose the right driver for your hardware and try to make backups of your system every time you want to make a change.