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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
(4-pin SPEAKER 1)
(see p.2 No. 13)
Chassis and Power Fan Connectors
(4-pin CHA_FAN1)
(see p.2 No. 19)
FAN_SPEED_CONTROL
CHA_FAN_SPEED
(3-pin PWR_FAN1)
PWR_FAN_SPEED
(see p.2 No. 30)
CPU Fan Connectors
FAN_SPEED_CONTROL
CPU_FAN_SPEED
(4-pin CPU_FAN1)
+12V
GND
(see p.2 No. 4)
1 2 3 4
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.
ATX Power Connector
(24-pin ATXPWR1)
(see p.2 No. 6)
ASRock A75M-HVS Motherboard
Please connect the chassis
speaker to this header.
Please connect the fan cables
to the fan connectors and
match the black wire to the
GND
+12V
ground pin.
+12V
GND
Please connect the CPU fan
cable to the connector and
match the black wire to the
ground pin.
Pin 1-3 Connected
3-Pin Fan Installation
Please connect an ATX power
12
24
supply to this connector.
1
13
23
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