On Tue, 28 Jun 2011, Przemek Klosowski wrote:
the processor serial number (PSN) wasn't shut down---every
has it. The access is often disabled by the BIOS, but it's there:
I think that TPC requires that PSN are enabled, but I can't think of why.
probably to provide a unique serial number to use as part of
the TPM attestation private key generation, to ensure
uniqueness and to prevent a replay type attack
-- Russ herrold