Upd Work - Roland Jv 1010 Soundfont
You cannot "update" the JV-1010 hardware to load SoundFonts. The JV-1010 is a "closed system." It reads its own internal ROM and expansion cards (SR-JV80 series). It does not have a USB port or flash memory capable of loading .sf2 files.
But you cannot upload a SoundFont file to a JV-1010. The module has no user sample RAM. roland jv 1010 soundfont upd
: This is a 434 MB layered soundfont that combines the JV-1010 with the Yamaha Tyros 4. It includes full SC-8850 and VA-76 support, resulting in a unique, rich timbre ideal for MIDI playback. How to Use These SoundFonts You cannot "update" the JV-1010 hardware to load SoundFonts