Compressed Audio Or Mixed Mode Discs; Cd-R Or Cd-Rw Supported File And Folder Structure; Usb Supported File And Folder Structure; Root Directory - Chevrolet 2010 Avalanche Owner's Manual

The radio can play discs that contain both
uncompressed CD audio and MP3 files. If both formats
are on the disc, the radio reads all MP3 files first, then
the uncompressed CD audio files.
The radio supports:
Up to 50 folders.
Up to 8 folders in depth.
Up to 50 playlists.
Up to 255 files.
Playlists with an .m3u or .wpl extension.
Files with an .mp3, .wma, or .cda file extension.
4-98
The radio supports:
Up to 700 folders.
Up to 8 folders in depth.
Up to 65,535 files.
Folder and file names up to 64 bytes.
Files with an .mp3 or .wma file extension.
AAC files stored on an iPod.
FAT16
FAT32
The root directory is treated as a folder. Files are stored
in the root directory when the disc or storage device
does not contain folders. Files accessed from the root
directory of a CD display as F1 ROOT.