On the PSR-3000 the root directory permits 70 files or folders, however, you can place folders within folders, all of which can contain up to 190 files or folders.

Gary
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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!

K+E=W (Knowledge Plus Experience = Wisdom.)