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Old 20th Nov 2017, 6:12 pm   #23
SiriusHardware
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Join Date: Aug 2011
Location: Newcastle, Tyne and Wear, UK.
Posts: 11,485
Default Re: MIDI keyboard fault

Quote:
Originally Posted by Ancient Geek View Post
I think it's most likely that the EEPROM is used only to store configuration data. All the code will be in the microcontroller which, by the way, has a mask ROM.
Agreed, the firmware will have been mask programmed into the processor at the time of manufacture so any replacement, unless bought from the keyboard manufacturer, will not contain the vital firmware code.

Also agree that the serial nonvolatile memory device will not contain firmware, only programmable parameters.
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