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

Kawai K4r version OS 1.4 EPROM Firmware Upgrade KIT / ROM Update Chip

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

Korg DW-8000 EPROM OS 13 Upgrade with Chip Puller Tool

Yamaha TX7 version OS 1.4 EPROM Firmware Upgrade KIT / ROM Update Chip

Kawai K1r OS version 1.4 EPROM Firmware Upgrade KIT / New ROM Update Chip K1-r

Yamaha TX81Z version OS 1.6 EPROM Firmware Upgrade KIT / ROM Update Chip

Korg DW-8000 OS 13 EPROM Firmware Upgrade KIT / New Final ROM Update Chip DW8000