Anything we know about Chinese, they could know too. The Brain and its Mind. Mental phenomena, like pain, are features of the brain. The Possibility of Mental Phenomena. This is also true of intentionality, subjectivity, and intentional causation.
Mental states are physical states of the brain.
Consequences for the Philosophy of Mind. Searle seems to over concentrate on programs and semantics. While programs are transportable between machines, they are not independent of them directly or indirectly. Try running Windows 95 on a Sinclair Spectrum. It seems conceivable that computer architecture will become more complex, and will have more special-function modules.