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

Yamaha TX81Z EPROM Chip Firmware v1.6 Plus Chip Puller Tool

Yamaha DX7IID/FD OS v1.9 EPROM Firmware Upgrade KIT / New ROM Final Update Chip

Yamaha TX802 OS v1.5 EPROM Firmware Upgrade KIT / New ROM Final Update Chip

Alesis SR-16 OS v1.04 EPROM Firmware Upgrade KIT / New ROM Update Chip SR16

Kawai K5 OS v1.3 EPROM Firmware Upgrade KIT / Brand New ROM Final Update Chip

Roland JV-880 OS v1.01 EPROM Firmware Upgrade KIT / New ROM Update Chip

Emu Vintage Keys OS v1.03 EPROM Firmware Upgrade SET / New ROM Final Update Chip