http://www.pymnts.com/in-depth/2014/intel-adds-encryption-to... says, "The protocol, code-named Baker Beach, “adds an extra layer of software to protect the payment process .. software resides and runs on the Intel chipset for enhanced security .. tablets with the Intel Atom processor code-named Bay Trail-T and future Intel Atom processors,” will also work ...Intel’s position is that it’s approach is more secure because it is using a security co-processor that appears to the OS as a separate external device"
That description implies a separate chip is added for use cases where Atom processors need OOB management/security.
http://www.pymnts.com/in-depth/2014/intel-adds-encryption-to... says, "The protocol, code-named Baker Beach, “adds an extra layer of software to protect the payment process .. software resides and runs on the Intel chipset for enhanced security .. tablets with the Intel Atom processor code-named Bay Trail-T and future Intel Atom processors,” will also work ...Intel’s position is that it’s approach is more secure because it is using a security co-processor that appears to the OS as a separate external device"
That description implies a separate chip is added for use cases where Atom processors need OOB management/security.