Eprom with firmware version 1.10. tone generetor. Yamaha Ptx-8 percussion.
Yamaha AN1x EPROM with last OS Version Firmware 1.04
Yamaha PTX8 Percussion Tone Generator Vintage 2U Rack Module - 100V
Yamaha RM1X Resource Kit Tact Switches + EPROM With Firmware Latest OS V 1.13
Ensoniq Mirage DSK-8 EPROM with European firmware, OS V2.1
Roland D-50 synthesizer EPROM with OS Version Firmware 2.22
Ensoniq ESQ-m ESQm EPROM with the last firmware, OS V1.2
