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postName: Camilo
postWebsite: ''
postComment: 'I have a Macbook Air from early 2008. I tried the xnu-speedstep-air linked by Blacky and it didn''t work for me. I followed carefully the instructions, but sometimes it simply did work, and sometimes suddenly it was going back to the default settings and I was having again the kernel overload problem. In contrast, with the other fix suggested here, all has worked very well for me. Not problems at all. Indeed I feel the system is even more responsive than in Snow Leopard in things like HD video playing, maybe just a perception. I noticed as well that CoolBook shows that is assigning 0.9v to all the different frequencies. I decided to leave it that way, but not sure that what CoolBook is showing is really the true. I tested the temp limit function and it is working for me as well.'