ASROCK H81M-S1 PLUS User Manual page 25

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Chassis Speaker Header
(4-pin SPEAKER1)
(see p.6, No. 12)
Chassis and Power Fan
Connectors
(4-pin CHA_FAN1)
(see p.6, No. 15)
(3-pin PWR_FAN1)
(see p.6, No. 2)
CPU Fan Connectors
(4-pin CPU_FAN1)
(see p.6, No. 21)
ATX Power Connector
(24-pin ATXPWR1)
(see p.6, No. 4)
ATX 12V Power
Connector
(4-pin ATX12V1)
(see p.6, No. 1)
Infrared Module Header
(5-pin IR1)
(see p.6, No. 18)
20
DUMMY
SPEAKER
1
+5V
DUMMY
GND
+12V
CHA_FAN_SPEED
FAN_SPEED_CONTROL
1
GN D
2
+ 12V
3
CPU_ FAN_SPEED
4
FAN_SPEED_CONTROL
12
24
1
13
IRTX
+5VSB
DUMMY
1
GND
IRRX
Please connect the chassis
speaker to this header.
Please connect fan cables
to the fan connectors and
match the black wire to
the ground pin.
This motherboard pro-
vides a 4-Pin CPU fan
(Quiet Fan) connector.
If you plan to connect a
3-Pin CPU fan, please
connect it to Pin 1-3.
This motherboard pro-
vides a 24-pin ATX power
connector. To use a 20-pin
ATX power supply, please
plug it along Pin 1 and Pin
13.
This motherboard
provides an 4-pin ATX
12V power connector.
This header supports an optional
wireless transmitting and
receiving infrared module.

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