ASROCK A55 Pro3 User Manual download pdf (Page 33)

RESET (Reset Switch):

Connect to the reset switch on the chassis front panel. Press the reset

switch to restart the computer if the computer freezes and fails to per-

form a normal restart.

PLED (System Power LED):

Connect to the power status indicator on the chassis front panel. The

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.12 No. 14)

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 Speaker Header Please connect the chassis

(4-pin SPEAKER 1)

speaker to this header.

(see p.12 No. 15)

PLED+

PLED-

Chassis and Power Fan Connectors Please connect the fan cables

(4-pin CHA_FAN1)

to the fan connectors and

(see p.12 No. 22)

match the black wire to the

ground pin. CHA_FAN1/2/3 fan

(3-pin CHA_FAN2)

speed can be controlled through

(see p.12 No. 39)

UEFI or AXTU.

(3-pin CHA_FAN3)

(see p.12 No. 10)

(3-pin PWR_FAN1)

(see p.12 No. 1)

GND

+12V

CHA_FAN_SPEED

FAN_SPEED_CONTROL

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ASROCK A55 Pro3 User Manual Page 33

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