ASROCK P55 Extreme User Manual page 34

System Panel Header
(9-pin PANEL1)
(see p.12 No. 18)
Chassis Speaker Header
(4-pin SPEAKER 1)
(see p.12 No. 17)
Chassis and Power Fan Connectors
(4-pin CHA_FAN1)
(see p.12 No. 27)
FAN_SPEED_CONTROL
(3-pin CHA_FAN2)
(see p.12 No. 26)
(3-pin CHA_FAN3)
(see p.12 No. 4)
(3-pin PWR_FAN1)
(see p.12 No. 41)
CPU Fan Connector
(4-pin CPU_FAN1)
(see p.12 No. 40)
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.12, No. 9)
PLED+
This header accommodates
PLED-
PWRBTN#
several system front panel
GND
functions.
1
DUMMY
RESET#
GND
HDLED-
HDLED+
Please connect the chassis
1
SPEAKER speaker to this header.
DUMMY
DUMMY
+5V
Please connect the fan cables
to the fan connectors and
match the black wire to the
GND
+12V
CHA_FAN_SPEED
ground pin.
GND
+12V
CHA_FAN_SPEED
GND
+12V
CHA_FAN_SPEED
GND
+12V
PWR_FAN_SPEED
Please connect a CPU fan cable
1
GND
2
to this connector and match
+12V
3
CPU_FAN_SPEED
4 the black wire to the ground pin.
FAN_SPEED_CONTROL
Pin 1-3 Connected
3-Pin Fan Installation
12 24
Please connect an ATX power
supply to this connector.
1 13
3 4 3 4 3 4
3 4 3 4