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Original Megabeat One Hard-Disc with: 2.30 Soft Version

Various sizes are at disposal to avoid you still changing Eprom (540Mb, but 850Mb, 1.3Gb, 2.3Gb gold 4,3Gb. With test midifiles included.
You can see his size without opening the Charlie Lab” then “by selecting “Utility Disc Utilities” and “HDisc Capacity "