Search for an individual who possesses the same keyboard and can utilize a ROM writer capable of both reading and extracting the firmware. It would be difficult to find that level of help from someone on the internet, as it requires desoldering and having the right tools.
Search for an individual who possesses the same keyboard and can utilize a ROM writer capable of both reading and extracting the firmware. It would be difficult to find that level of help from someone on the internet, as it requires desoldering and having the right tools.