Eprom with firmware version 1.10. tone generetor. Yamaha Ptx-8 percussion.
Yamaha RM1X Resource Kit Tact Switches + EPROM With Firmware Latest OS V 1.13
Yamaha RM1X Resorce Kit Tact Switches + Eprom with firmware Latest OS V 1.13
MXR-185 Drum Computer Eprom with Firmware Version 11 OS Eprom Upgrade Repair
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
