Com1 - EVGA nForce 780i SLI FTW User Manual

There are four more optional fan connectors on the motherboard that can be used for adding
more system fans.
Auxiliary fan connector

COM1

The motherboard kit provides an additional serial COM header for your machine. Connect
one side of a switching cable to the header and then attach the serial COM device to the other
side of the cable.
Auxiliary fan
connector
Fan Connector
3
1
GND
+12V
Fan Connector
3
1
GND
Auxiliary fan
+12V
connector
System fan
Fan Connector
connector
3
1
GND
+12V
EVGA
2
SENSE
2
SENSE
2
SENSE
21