ASRock IMB-171-L [25/51] Atx power input connector please connect an atx power

ASRock IMB-171-L [25/51] Atx power input connector please connect an atx power
25
CPU Fan Connector Please connect the CPU fan
(4-pin CPU_FAN1)
cable to the connector and
(see p.14 No. 13)
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.
Pin 1-3 Connected
3-Pin Fan Installation
ATX Power Input Connector Please connect an ATX power
(24-pin ATXPWR1)
supply to this connector.
(see p.14 No. 6)
1
2
3
4
GND
+12V
CPU_FAN_SPEED
FAN_SPEED_CONTROL
COM Port Headers
(10-pin COM3: see p.14, No. 9)
(10-pin COM4: see p.14, No. 10)
(10-pin COM5: see p.14, No. 11)
(10-pin COM6: see p.14, No. 12)
PIN Signal Name PIN Signal Name
2 RRXD1 1 DDCD#1
4 DDTR#1 3 TTXD1
6 DDSR#1 5 GND
8 CCTS#1 7 RRTS#1
10 NC 9 COM PWR
1
2
24 13
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
24 13
12 1

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