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Installing and Configuring the NVIDIA nForce 650i Ultra Motherboard
24
Fan Connections
There are two fan connections, the system fan and the CPU fan.
The fan speed can be detected and viewed in the
System Monitor
section of the CMOS Setup. Both fans are automatically turned off
after the system enters S3, S4 and S5 mode.
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.
FDD Connector
The motherboard supports a standard 360K, 720K, 1.2M, 1.44m, and
a 2.88M floppy disk drive (FDD).
Note that the CPU fan cable can be
either a 3-pin or a 4-pin connector.
Connect a 3-pin connector to pins 1, 2,
and 3 on the motherboard connector.
CPU Fan Connector
4 3 2 1
GND SENSE
PWR CONTRO
L
Fan Connector
3 2 1
GND
+12
V
SENSE
System fan connector
CPU fan connector