ASROCK FM2A55M-DGS R2.0 User Manual page 28

Chassis and Power Fan Connectors
(4-pin CHA_FAN1)
(see p.13 No. 7)
(3-pin PWR_FAN1)
(see p.13 No. 28)
CPU Fan Connectors
(4-pin CPU_FAN1)
(see p.13 No. 5)
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.13 No. 2)
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
ATX 12V Power Connector
(4-pin ATX12V1)
(see p.13, No. 1)
Serial port Header
(9-pin COM1)
(see p.13 No.21)
1 2 3 4
24 13
12 1
24
12
Please connect an ATX 12V
power supply to this connector.
28
Please connect the fan cables
to the fan connectors and
match the black wire to the
ground pin. CHA_FAN1 fan
speed can be controlled through
UEFI or AXTU.
Please connect the CPU fan
cable to the connector and
match the black wire to the
ground pin.
pin 1-3 Connected
3-Pin Fan Installation
Please connect an ATX power
supply to this connector.
13
1
This COM1 header supports a
serial port module.