Hi

If I don't remember it totally wrong, the KN2000 uses 720 DD disks?
Could it be that you now use 1.44HD disks?

Also I seem to remember that if the KN2000 is not updatet, swapped
some "rom chips", it don't read midi format 0 files as direct play.

Description of how to format and save/load is to find at the KN1000
and KN2000 pages at my website.

Good luck
GJ
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Cheers 🥂
GJ
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"Success is not counted by how high you have climbed
but by how many you brought with you." (Wil Rose)