N> Hello, does anyone know if Amiga 4000 or Any other model Amiga
 N> keyboard could
 N> be used on an A2000?  Thanks

Yes, all Amiga keyboards use the same protocol, but a couple of different
connectors. The A2000 and A3000 has 5-pin DIN connectors while the A4000
has 6-pin miniDIN connector. An adapter for a PC to convert PS/2 keyboard
from 6-pin miniDIN to 5-pin DIN will work.

--- NiKom v2.5.0dev