ASROCK H470M-ITX/ac Manual Del Usuario página 28

PWRBTN (Power Switch):
Connect to the power switch on the chassis front panel. You may configure 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 perform 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 system is in S1/S3 sleep
state. The LED is off when the system is in 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 assignments are matched correctly.
Chassis Speaker Header
(4-pin SPEAKER1)
(see p.1, No. 16)
Chassis/Water Pump Fan
Connector
(4-pin CHA_FAN1/WP)
(see p.1, No. 3)
Chassis Fan Connector
(4-pin CHA_FAN2)
(see p.1, No. 18)
24
SPEAKER
DUMMY
DUMMY
+5V
1
FAN_SPEED_CONTROL
4
3
CHA_FAN_SPEED
2
FAN_VOLTAGE
1
GND
4 3 2 1
FAN_SPEED_CONTROL
CHA_FAN_SPEED
+12V
GND
Please connect the chassis
speaker to this header.
This motherboard
provides a 4-Pin water
cooling chassis fan
connector. If you plan to
connect a 3-Pin chassis
water cooler fan, please
connect it to Pin 1-3.
Please connect fan cables
to the fan connector and
match the black wire to
the ground pin.