A potentially major rumor has asserted that Apple was at one point investingating using AMD's Llano architecture mobile processors in the MacBook Air. The company had the kind of power and performance Apple wanted, Forbes heard, but had trouble producing chips in time for the 2011 update. As its former manufacturing wing and now partner GlobalFoundries was adapting to make the Fusion-based chips, where the graphics core is part of the processor itself, it was having trouble generating useful test yields.
