ASROCK H77WS-DL Owner's Manual download pdf (Page 33)

Chassis Speaker Header Please connect the chassis

(4-pin SPEAKER 1)

speaker to this header.

(see p.12, No. 12)

Power LED Header Please connect the chassis

(3-pin PLED1)

power LED to this header to

(see p.12, No. 13)

indicate system power status.

The LED is on when the system

is operating. The LED keeps

blinking in S1/S3 state. The

LED is off in S4 state or S5

state (power off).

PLED+

PLED-

CPU Fan Connectors Please connect the CPU fan

(4-pin CPU_FAN1)

cable to the connector and

(see p.12, No. 3)

match the black wire to the

ground pin.

Chassis and Power Fan Connectors Please connect the fan cables

(4-pin CHA_FAN1)

to the fan connectors and match

(see p.12, No. 36)

the black wire to the ground pin.

(3-pin CHA_FAN2)

(see p.12, No. 9)

(3-pin PWR_FAN1)

(see p.12, No. 35)

FAN_SPEED_CONTROL

GND

+12V

CHA_FAN_SPEED

GND

+12V

PWR_FAN_SPEED

GND

+12V

CPU_FAN_SPEED

FAN_SPEED_CONTROL

1 2 3 4

equipment in the system, which has slower transmission rates, and power

management equipment.

B. Internet status indicator (2-pin LAN1_LED, LAN2_LED)

These two 2-pin headers allow you to use the Gigabit internet indicator

cable to connect to the LAN status indicator. When this indicator ﬂ ickers, it

means that the internet is properly connected.

C. Chassis intrusion pin (4-1 pin CHASSIS)

This header is provided for host computer chassis with chassis intrusion

detection designs. In addition, it must also work with external detection

equipment, such as a chassis intrusion detection sensor or a microswitch.

When this function is activated, if any chassis component movement

occurs, the sensor will immediately detect it and send a signal to this

header, and the system will then record this chassis intrusion event. The

default setting is set to the CASEOPEN and GND pin; this function is off.

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ASROCK H77WS-DL Owner's Manual Page 33

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