Alesis HR-16 / HR-16B EPROM Upgrade - Roland TR-808 Classic Core Sounds + OS 2.0

Alesis HR-16 / HR-16B EPROM Upgrade - Original OEM Sound ROM + OS 2.0 Firmware

Sequential Circuits Drumtraks OS v0.5 EPROM Firmware Upgrade KIT / New ROM Chip

Alesis HR-16 / HR-16B EPROM Upgrade - Full Roland TR Series: TR-505, 606, 626, 7

Roland R-8M OS v1.04 EPROM Firmware Upgrade KIT / New ROM Final Update Chip

Roland R-8 MK2 OS v1.03 EPROM Firmware Upgrade KIT / New ROM Final Update Chip

Roland R-8 OS v2.02 EPROM Firmware Upgrade KIT / / New ROM Final Update Chip R8

Oberheim DMX Debug Diagnostic Test Firmware EPROM KIT / New ROM Chip Recover Fix