20
ASRock FM2A75M-DGS Motherboard
English
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.
ATX Power Connector
Please connect an ATX power
(24-pin ATXPWR1)
supply to this connector.
(see p.2 No. 6)
12
1
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
Pin 1-3 Connected
3-Pin Fan Installation
12
1
24
13
24
13
GND
+12V
CPU_FAN_SPEED
FAN_SPEED_CONTROL
1 2 3 4
Chassis and Power Fan Connectors
Please connect the fan cables
(4-pin CHA_FAN1)
to the fan connectors and
(see p.2 No. 16)
match the black wire to the
ground pin. CHA_FAN1 fan
(3-pin PWR_FAN1)
speed can be controlled through
(see p.2 No. 31)
UEFI or AXTU.
Serial port Header
This COM1 header supports a
(9-pin COM1)
serial port module.
(see p.2 No.24)
ATX 12V Power Connector
Please connect an ATX 12V
(4-pin ATX12V1)
power supply to this connector.
(see p.2, No. 1)
GND
+12V
CHA_FAN_SPEED
FAN_SPEED_CONTROL
