Asus P5N-T Deluxe - Manual (Page 54)

2-28 Chapter 2: Hardware information
5. 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!
You can connect the 1394 cable to ASUS Q-Connector (1394, red) first, and
then install the Q-Connector (1394) to the 1394 connector onboard.
6. 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 serial port module is purchased separately.
P5N-T DELUXE
®
P5N-T DELUXE IEEE 1394a connector
IE1394_2
PIN 1
GND +12V
TPB1-
GND
TP
A1-
+12V TPB1+ GND TP
A1+
P5N-T DELUXE
®
P5N-T DELUXE COM port connector
PIN 1
COM1