ASROCK Z68M/USB3 User Manual download pdf (Page 29)

Chassis Speaker Header Please connect the chassis

(4-pin SPEAKER 1)

speaker to this header.

(see p.12 No. 21)

Power LED Header Please connect the chassis

(3-pin PLED1)

power LED to this header to

(see p.12 No. 16)

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).

PLED+

PLED-

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.

Chassis and Power Fan Connectors Please connect the fan cables

(3-pin CHA_FAN1)

to the fan connectors and

(see p.12 No. 17)

match the black wire to the

ground pin.

(3-pin PWR_FAN1)

(see p.12 No. 33)

CPU Fan Connectors Please connect the CPU fan

(4-pin CPU_FAN1)

cable to the connector and

(see p.12 No. 1)

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.

3-Pin Fan Installation

Pin 1-3 Connected

GND

+12V

C HA_FAN_SPEED

GND

+12V

CPU_FAN_SPEED

FAN_SPEED_CONTROL

1 2 3 4

GND

+12V

PWR_FAN_SPEED

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 61 62

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ASROCK Z68M/USB3 User Manual Page 29

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