Yamaha TX7 OS v1.4 EPROM Firmware Upgrade KIT / New ROM Final Update Chip

Sequential Circuits Prophet 600 OS SIX-08 EPROM Firmware Update KIT / New ROM

Sequential Circuits MAX OS 0.5 EPROM Firmware Upgrade KIT / New ROM Update Chip

Korg DS-8 OS v14 EPROM Firmware Update KIT / New ROM Latest Update Chip DS8

Sequential Circuits Multi-Trak OS 2.2 EPROM Firmware Upgrade KIT / New ROM Chip

Waldorf Pulse Plus+ OS 2.01 EPROM Firmware Upgrade KIT / New ROM Update Chips

Roland GR-50 OS v1.14 EPROM Firmware Upgrade SET / New ROM Final Update Chips

Roland Alpha Juno-2 OS v2.5u EPROM Firmware Upgrade KIT / New ROM Update Chip