Asus M3N78 - Manual (Page 44)

1-32 Chapter 1: Product introduction
11. IEEE 1394a port connector (10-1 pin IE1394_1)
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.
R
M3N78
M3N78 IEEE 1394a Connector
IE1394_1
GN
D
+12V TPB1
-
GN
D
TP
A1
-
+12V
TPB1
+
GN
D
TP
A1
+
1
12. Serial port connector (10-1 pin COM1)
The connector is for a serial (COM) port. Connect the serial port module
cable to the connector, then install the module to a slot opening at the back of
the system chassis.
The serial port bracket (COM1) is purchased separately.
R
M3N78
M3N78 COM Port Connector
PIN1
COM1