MIDI Target Manufacturer(s): Roland
From a FB question, I realized that Roland used almost exactly the same MIDI memory map on the RD 2000 as in the RD 800, including the same SysEx ID, so the RD 2000 layouts should work with the RD 800. The only exceptions are features that are in one board but not the other.
So these layouts should work directly in the RD 800, ignoring the additional RD 2000 zones, a few effects, etc.
RD 2000 Manager - https://mididesigner.com/qa/6548
RD 2000 Rhythms - https://mididesigner.com/qa/6593
RD 2000 Piano Editor - https://mididesigner.com/qa/6911 - The 800 doesn't have the V-piano, but it does have the Individual Voicing for the Supernatural Pianos.
RD 2000 SysEx Dump - https://mididesigner.com/qa/8171
I might update the layouts to be RD 800 specific, which would mostly be deleting the additional zones, sounds, and effects.
I would appreciate some feedback from an RD 800 user on how these work with your board.