Chassis Speaker Header
(4-pin SPEAKER 1)
(see p.2 No. 21)
Chassis and Power Fan Connectors
(see p.2 No. 10)
(see p.12 No. 12)
(see p.2 No. 13)
(see p.2 No. 6)
CPU Fan Connector
(see p.2 No. 7)
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. 11)
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.
2 2
2 2
2 2
2 2
2 2
ASRock
Please connect the chassis
speaker to this header.
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.
Please connect the CPU fan
cable to this connector and
match the black wire to the
ground pin.
1 2 3 4
Pin 1-3 Connected
3-Pin Fan Installation
Please connect an ATX power
12
24
supply to this connector.
1
13
20-Pin ATX Power Supply Installation
870 Extreme3
Motherboard
12
24
1
13