For Sale
 Eprom with latest firmware version 1.03 
for
 Roland Alpha A-880 Midi Patch Bay
Features/improvements:
The OS version 1.03 may provide bug fixes related to midi communication and system code issues.
How to check current firmware?
Power device, while pushing Output buttons 1 + 2 + 4 + 8.Led 1 = 0.01, 2 = 0.02, 3 = 0.04, 4 = 0.08, 5 = 0.16, 6 = 0.32, 7 = 0.64, 8 = 1.28.Apparently you must sum the Led's to get the Version number.Version 1.03: LEDs 1-2-3-6-7
The IC socket is located at IC 11
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