Asus NCL-DS, NCL-D, NCL-DR1 8 . Power supply SMBus connector (5-pinPSUSMB1), 7 . CPU and system fan connectors (3-pinCPU_FAN1/2, REAR_FAN1/2, FRNT_FAN1/2)

7 . CPU and system fan connectors (3-pin CPU_FAN1/2, REAR_FAN1/2, FRNT_FAN1/2)

The fan connectors support cooling fans of 350 mA ~ 740 mA (8.88 W max.) or a total of 2.1 A ~ 4.44 A (53.28 W max.) at +12V. Connect the fan cables to the fan connectors on the motherboard, making sure that the black wire of each cable matches the ground pin of the connector.

Do not forget to connect the fan cables to the fan connectors. Insufficient air flow inside the system may damage the motherboard components. These are not jumpers! Do not place jumper caps on the fan connectors!

CPU_FAN1

REAR_FAN2

REAR_FAN1

CPU_FAN2

FRNT_FAN1

FRNT_FAN2

NCL-DS Series Fan connectors

CPU_FAN1			CPU_FAN2
	GND FAN Power FAN Speed PWM Control
				PWM Control FAN Speed FAN Power GND
REAR_FAN1 REAR_FAN2
		GND	Rotation
		+12V			+12V
		Rotation				GND
FRNT_FAN1 FRNT_FAN2
		GND				GND
		+12V				+12V
		Rotation				Rotation

8 . Power supply SMBus connector (5-pin PSUSMB1)

This connector is for the power supply SMB cable, if your power supply supports the SMBus function.

I2C_7_CLK# I2C_7_DATA# NC GND +3.3V Remote Sense

PSUSMB1

NCL-DS Series Power supply SMBus connector

ASUS NCL-DS Series 2 - 31