ASRock 870 Extreme3 User Manual - Page 26

BIOS or OC Tuner utility. - fan headers

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Chassis Speaker Header (4-pin SPEAKER 1) (see p.11 No. 21) 1 SPEAKER DUMMY DUMMY +5V Please connect the chassis speaker to this header. Chassis and Power Fan Connectors (4-pin CHA_FAN1) (see p.11 No. 10) GND +12V CHA_FAN_SPEED FAN_SPEED_CONTROL (3-pin CHA_FAN2) (see p.11 No. 12) (3-pin CHA_FAN3) (see p.11 No. 13) (3-pin PWR_FAN1) (see p.11 No. 6) GND +12V CHA_FAN_SPEED GND +12V CHA_FAN_SPEED PWR_FAN_SPEED +12V GND Please connect the fan cables to the fan connectors and match the black wire to the ground pin. CHA_FAN1/2/3 fan speed can be controlled through BIOS or OC Tuner utility. CPU Fan Connector (4-pin CPU_FAN1) (see p.11 No. 7) 1 2 3 4 Please connect the CPU fan cable to this connector and match the black wire to the ground pin. 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. Pin 1-3 Connected 3-Pin Fan Installation ATX Power Connector (24-pin ATXPWR1) (see p.11 No. 11) 12 24 Please connect an ATX power supply to this connector. 1 13 Though this motherboard provides 24-pin ATX power connector, 12 24 it can still work if you adopt a traditional 20-pin ATX power supply. To use the 20-pin ATX power supply, please plug your power supply along with Pin 1 and Pin 13. 20-Pin ATX Power Supply Installation 1 13 26

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CPU Fan Connector
Please connect the CPU fan
(4-pin CPU_FAN1)
cable to this connector and
(see p.11
No. 7)
match the black wire to the
ground pin.
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.
3-Pin Fan Installation
Pin 1-3 Connected
ATX Power Connector
Please connect an ATX power
(24-pin ATXPWR1)
supply to this connector.
(see p.11
No. 11)
12
1
24
13
1
2
3
4
20-Pin ATX Power Supply Installation
Though this motherboard provides 24-pin ATX power connector,
it can still work if you adopt a traditional 20-pin ATX power supply.
To use the 20-pin ATX power supply, please plug your power
supply along with Pin 1 and Pin 13.
12
1
24
13
+
5
V
DUMMY
DUMMY
SPEAKER
1
Chassis and Power Fan Connectors
Please connect the fan cables
(4-pin CHA_FAN1)
to the fan connectors and
(see p.11
No. 10)
match the black wire to the
ground pin. CHA_FAN1/2/3 fan
(3-pin CHA_FAN2)
speed can be controlled through
(see p.11
No. 12)
BIOS or OC Tuner utility.
(3-pin CHA_FAN3)
(see p.11
No. 13)
(3-pin PWR_FAN1)
(see p.11
No. 6)
Chassis Speaker Header
Please connect the chassis
(4-pin SPEAKER 1)
speaker to this header.
(see p.11
No. 21)
G
N
D
+1
2
V
C
HA_FAN_
SP
EE
D
FAN_SPEED_CONTROL
GND
+12V
CHA_FAN_SPEED
G
N
D
+1
2
V
C
HA_FAN_
SP
EE
D
PWR_FAN_SPEED
GND
+12V