via this auction
"It's been cleaned, serviced, LEDs replaced with a blue set, the Hawk-800 mod installed and It's been in a clean, smoke-free, climate controlled environment.
The Hawk-800 mod greatly expands this synthesizer's capabilities: expanded midi and sysex implementation, adds memory for 3 additional banks of 64 patches, no need for battery, sustain pedal support, velocity, and so much more!
Complete details on the mod can be found at https://www.hawk800.com/
Hawk-800 manuals, midi implementation chart, and quick reference are included in the software firmware downloads available on the Hawk-800 site. (The EX-800 in this listing is on firmware version 2.59, current available is 2.68)
Comes preloaded with 256 factory, downloaded, and custom patches."
