Kawai K1r OS 1.4 EPROM Firmware Upgrade KIT / New ROM Final Update Chips K1-r

Kawai K4 OS 1.4 EPROM Firmware Upgrade KIT / New ROM Final Update Chip

Kawai K1m OS 1.5 EPROM Firmware Upgrade KIT / Brand New ROM Latest Update K1-m

Kawai K5m OS 1.2 EPROM Firmware Upgrade KIT / New ROM Final Update Chip K5-m

Studio Electronics SE-1 OS 2.51 EPROM Firmware Upgrade KIT / New ROM Update Chip

Yamaha DX100 OS version 1.1 EPROM Firmware Upgrade KIT / New ROM Chip Update

Kawai K4r OS 1.4 EPROM Firmware Upgrade KIT / New ROM Final Update Chip K4-r

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