Hardware Installation

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.

 

CPU fan connector

 

 

System fan connector

 

Fan Connector

3

2

1

GND

 

 

+12V

 

 

SENSE

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

CONTROL

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).

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EVGA 650I manual Fan Connections, FDD Connector