Nov 07, 2015
(and last updated on Dec 29, 2015)
Taken from Dave Benson DX7 page.
This is a zip file of 263 banks of SYX files, taken from Yamaha's UK site (they did not originate there, and Yamaha apparently has no objection to their distribution). They were put into the usual Sysex format by Jack Deckard.