This update replaces the original 80C31 microcontroller (in the socket) with an adapter board in the Marshall 6100 / 6101 amplifier. This simplifies the original design with integrated EEPROM for MIDI data and program memory.
- Utilizes an Arduino Nano (clone).
- Installation is simple (remove IC301 thru IC304) and install this adapter board in IC302.
See video demo below.
This update saves the last channel selected (Clean/Crunch/Lead) and restores it at power-on.
- It operates much like the old firmware allowing the users to save different PC MIDI commands for each channel.
- A double flash of all LEDs gives the user better feedback verifying the MIDI command is saved.
- Future updates are possible using the USB-C port on the microcontroller board.
Note: Dangerous and lethal voltages are inside of you amplifier. Always have an experienced person work on it.
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