PWRBTN (Power Switch):

Connect to the power switch on the chassis front panel. You may con- figure the way to turn off your system using the power switch.

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.

Chassis Speaker Header

Please connect the chassis

(4-pin SPEAKER 1)

speaker to this header.

(see p.15 No. 20)

 

 

 

Power LED Header

Please connect the chassis

(3-pin PLED1)

power LED to this header to

(see p.15 No. 19)

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 and Power Fan Connectors

Please connect the fan cables

(4-pin CHA_FAN1)

to the fan connectors and

(see p.15 No. 38)

match the black wire to the

 

ground pin.

(3-pin CHA_FAN2)

 

(see p.15 No. 21)

 

(3-pin PWR_FAN1)

 

(see p.15 No. 9)

 

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Image 31
ASRock 970 Pro3 R2.0 manual Chassis Speaker Header Please connect the chassis