I usually teach computer architecture courses at Cornell University. If you are a Cornell student, you can check the courses on blackboard.
Fall 2010: ECE2300 Introduction to Digital Logic Design.
Spring 2008, 2009, 2011: ECE5750 Advanced Microprocessor Architecture.
Fall 2007, 2008, 2009: ECE4750 Computer Architecture.
Spring 2007: ECE695 Topics in Computer Systems.