English

Chassis and Power Fan Connectors

Please connect the fan cables

(4-pin CHA_FAN1)

to the fan connectors and

(see p.2

No. 21)

match the black wire to the

 

 

ground pin. CHA_FAN1/2/3 fan

(3-pin CHA_FAN2)

speed can be controlled through

(see p.2

No. 20)

UEFI or AXTU.

(3-pin CHA_FAN3)

 

(see p.2

No. 10)

 

(3-pin PWR_FAN1)

 

(see p.2

No. 35)

 

 

 

CPU Fan Connectors

Please connect the CPU fan

(4-pin CPU_FAN1)

cable to the connector and

(see p.2

No. 4)

match the black wire to the

 

1 2 3 4

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

(3-pin CPU_FAN2)

(see p.2 No. 5)

ATX Power Connector

12

24

Please connect an ATX power

(24-pin ATXPWR1)

 

 

supply to this connector.

 

(see p.2 No. 9)

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

30

ASRock 990FX Extreme3 Motherboard

Page 30
Image 30
ASRock 990FX Extreme3 manual To the fan connectors, Match the black wire to, Ground pin. CHAFAN1/2/3 fan, Uefi or Axtu