Most M100 models run on a proprietary Xylogics controller (often MS-DOS based or Windows 2000 embedded). The manual explains:
If your M100 control screen goes black or throws an alarm, the manual is your lifeline. It contains the electrical cabinet layouts and the parameter lists for the CNC controller (often a Morbidelli/Uniteam or Osai controller). Resetting the machine’s zero points or homing parameters requires the specific codes and procedures found morbidelli m100 manual
To keep an M100 running for 20+ years, adhere to this schedule found in the manual: Most M100 models run on a proprietary Xylogics