ASRock 990FX Extreme3 - Manual (Page 30)

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ASRock 990FX Extreme3 Motherboard
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
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 CPU_FAN2)
(see p.2 No. 5)
Pin 1-3 Connected
3-Pin Fan Installation
ATX Power Connector Please connect an ATX power
(24-pin ATXPWR1) supply to this connector.
(see p.2 No. 9)
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.
20-Pin ATX Power Supply Installation
12
1
24
13
12
1
24
13
1 2 3 4