MSI A55M-P25 Series Manual page 21

MS-7786
Serial Port Connector: JCoM (optional)
this connector is a 6550A high speed communication port that sends/receives
6 bytes FiFos. you can attach a serial device.
tPM Module Connector: JtPM (optional)
this connector connects to a tPM (trusted Platform Module, optional). Please
refer to the tPM security platform manual for more details and usages.
Chassis intrusion Connector: JCi
this connector connects to the chassis intrusion switch cable. if the computer
case is opened, the chassis intrusion mechanism will be activated. the system
will record this intrusion and a warning message will flash on screen. to clear the
warning, you must enter the BioS utility and clear the record.
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