ASRock H61M-HG4 manual CPU Fan Connectors, Hdled Hard Drive Activity LED

is on when the system is operating. The LED keeps blinking when the sys- tem is in S1 sleep state. The LED is off when the system is in S3/S4 sleep state or powered off (S5).

HDLED (Hard Drive Activity LED):

Connect to the hard drive activity LED on the chassis front panel. The LED is on when the hard drive is reading or writing data.

The front panel design may differ by chassis. A front panel module mainly consists of power switch, reset switch, power LED, hard drive activity LED, speaker and etc. When connecting your chassis front panel module to this header, make sure the wire assignments and the pin assign-ments are matched correctly.

Power LED Header	Please connect the chassis
(3-pin PLED1)	power LED to this header to
(see p.14 No. 10)	indicate system power status.
	The LED is on when the system
	is operating. The LED keeps
	blinking in S1 state. The LED is
	off in S3/S4 state or S5 state
	(power off).
Chassis Fan Connector	Please connect the fan cables
(4-pin CHA_FAN1)	to the fan connectors and
(see p.14 No. 5)	match the black wire to the
	ground pin.

CPU Fan Connectors	4	3	2	1
(4-pin CPU_FAN1)
(see p.14 No. 2)				GND

+12V CPU_FAN_SPEED

FAN_SPEED_CONTROL

Please connect the CPU fan cable to the connector and match the black wire to the ground pin.

Though this motherboard provides 4-Pin CPU fan (Quiet Fan) support, the 3-Pin CPU fan still can work successfully even without the fan speed control function. If you plan to connect the 3-Pin CPU fan to the CPU fan connector on this motherboard, please connect it to Pin 1-3.

Pin 1-3 Connected

3-Pin Fan Installation

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