Lisa or Macintosh XL RAM Cache and Mouse Tracking Problems




PROBLEM DESCRIPTION: RAM cache and mouse tracking indicators are

empty even though the computer has successfully passed

diagnostics. The system software is Finder 5.3 or System 3.2.



CAUSE: The I/O board is defective.



CURE: Remove and Replace the I/O board.



Follow the General Troubleshooting Procedures for Lisa/Macintosh

XL if the problem still persists.





Published Date: Feb 18, 2012