Ensoniq ASR-X OS v2.67 EPROM Firmware Upgrade SET/ New ROM Update Chips ASRX

Akai S3000XL Sampler OS v2.0 EPROM Firmware Upgrade KIT / New ROM Update Chip

Casio RZ-1 OS v2.0u EPROM Firmware Upgrade KIT / ROM Update Chip RZ1

Oberheim Cyclone OS version 1.2 EPROM Firmware Upgrade KIT / ROM Update Chip

E-mu SP-12 Turbo OS v2.6 EPROM Firmware Upgrade KIT / New ROM Update Chips SP12

Ensoniq ASR-10 OS v1.5B EPROM Firmware Upgrade SET / New ROM Final Update Chips

Alesis MMT-8 OS v1.11 EPROM Firmware Upgrade KIT / New ROM Update Chip

Oberheim DPX-1 OS v2.2 EPROM Firmware Upgrade SET / New ROM Final Update DPX1