Nvidia MS-7374 Fan Power Connectors CPUFAN1, SYSFAN1/ 2/ 3, CPUFAN1 SYSFAN1/2/3, SYSFAN4, SPDOUT1

MS-7374 Mainboard

Fan Power Connectors: CPUFAN1, SYSFAN1/ 2/ 3/ 4

The fan power connectors support system cooling fan with +12V. When connecting the wire to the connectors, always note that the red wire is the positive and should be connected to the +12V; the black wire is Ground and should be connected to GND. If the mainboard has a System Hardware Monitor chipset on-board, you must use a specially designed fan with speed sensor to take advantage of the CPU fan control.

CONTROL
SENSOR	GND
+12V	+12V
GND	NC or Sensor
CPUFAN1	SYSFAN1/2/3

GND +12V NC

SYSFAN4

Important

1.Please refer to the recommended CPU fans at processor’s official website or consult the vendors for proper CPU cooling fan.

2.CPUFAN1 supports fan control. You can install Dual Core Center utility that will automatically control the CPU fan speed according to the actual CPU temperature.

3.Fan/heatsink with 3 or 4 pins are both available for CPUFAN1.

SPDIF-Out Connector: SPDOUT1 (optional, for HDMI graphics card only)

This connector is used to connect S/PDIF (Sony & Philips Digital Interconnect Format) interface for digital audio transmission to the HDMI graphics card.

SPDIF GND

SPDOUT1

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