Rockbox Utility is a free replacement firmware for digital music players. Rockbox runs well on these players, has a complete manual and is supported by installers: Apple: iPod 1g through 5.5g, iPod Mini, and iPod Nano 1g, Archos: Jukebox 5000, 6000, Studio, Recorder, FM Recorder, Recorder V2, and Ondio, Cowon: iAudio X5, X5V, X5L, M5, M5L, M3, and M3L, iriver: iHP100 series, H100 series, H300 series, and H10 series, MPIO: HD300, SanDisk: Sansa c200, e200 and e200R series, Fuze, Clip, Clip+, and Clip Zip, Packard Bell: Vibe 500, and Toshiba: Gigabeat X and F series.