xpansion Board?

The Roland SR-JV80-16 Orchestral II Expansion Board is an expansion board for the Roland JV-80, JV-90, JV-1000, JV-880, XP-50, XP-60, XP-80, and XV-5080 synthesizers. It contains over 1,500 samples of orchestral instruments, including strings, brass, woodwinds, and percussion. The board also includes a variety of sound effects and soundscapes, as well as a selection of contemporary and ethnic instruments.