MSI Z87-G41 PC Mate Preface page 37

JTPM1: TPM Module Connector
This connector connects to a TPM (Trusted Platform Module). Please refer to the TPM
security platform manual for more details and usages.
JCOM1: Serial Port Connector
This connector is a 16550A high speed communication port that sends/receives 16
bytes FIFOs. You can attach a serial device.
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