Asus M4A79T Deluxe - Motherboard - ATX User Manual page 51

7. IEEE 1394a port connector (10-1 pin IE1394_2)
This connector is for a IEEE 1394a port. Connect the IEEE 1394a module cable to this connector,
then install the module to a slot opening at the back of the system chassis.
Never connect a USB cable to the IEEE 1394a connector. Doing so will damage the
motherboard!
8. Serial port connector (10-1 pin COM1)
This connector is for a serial (COM) port. Connect the serial port module cable to this connector,
then install the module to a slot opening at the back of the system chassis.
The COM module is purchased separately.
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