Alfa Romeo 4C Spider 2015 Owner's Supplement page 46

Corresponding File Systems
This device supports discs formatted with ISO9660
Level 1 or Level 2. Under the ISO9660 standard, there
are some restrictions to remember. The maximum
nested folder depth is 8 (including the root directory).
The number of characters for a folder/file name is
limited.
Valid characters for folder/file names are letters A-Z
(all caps), numbers 0-9, and '_' (underscore).
This device also can play back discs in Joliet, Romeo,
etc., and other standards that conform to ISO9660.
However, sometimes the file names, folder names, etc.,
are not displayed correctly.
This device also supports FAT 12/16/32 for Flash
Memory device.
Formats supported
This device supports CD-ROM XA, Mixed Mode CD,
Enhanced CD (CD-Extra) and Multi-Session.
This device cannot correctly play back discs recorded
with Track At Once or packet writing.
Order of files
Files are played back in the order that the writing
software writes them to the disc. Therefore, the play-
back order may not be what is expected. Verify the
writing order in the software's documentation. The
playback order of the folders and files is as follows.
CD/MP3/WMA/AAC 45
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