Reread post 3986. As I said, that came from Shadows of the Mind, page 12 (and subsequent).
I didn't miss your reference. Shadows of the Mind is on the way and I will be reading that as well. Based upon 416 pages of Emperor and counting, however, whatever Penrose may otherwise be, he is not a Materialist and, I repeat, he does not state or suggest that consciousness is material.