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1/2) ATX_12V/ATX (2x4 12V Power Connector and 2x12 Main Power Connector)
With the use of the power connector, the power supply can supply enough stable power to all the components
on the motherboard. Before connecting the power connector, first make sure the power supply is turned
off and all devices are properly installed. The power connector possesses a foolproof design. Connect the
power supply cable to the power connector in the correct orientation.
The 12V power connector mainly supplies power to the APU. If the 12V power connector is not connected,
the computer will not start.
To meet expansion requirements, it is recommended that a power supply that can withstand high power consumption
be used (500W or greater). If a power supply is used that does not provide the required power, the result can
lead to an unstable or unbootable system.
1
5
4
8
ATX_12V
12
24
1
13
ATX
3/4) CPU_FAN/SYS_FAN (Fan Headers)
The motherboard has a 4-pin APU fan header (CPU_FAN) and a 4-pin system fan header (SYS_FAN).
Most fan headers possess a foolproof insertion design. When connecting a fan cable, be sure to connect it
in the correct orientation (the black connector wire is the ground wire). The speed control function requires
the use of a fan with fan speed control design. For optimum heat dissipation, it is recommended that a
system fan be installed inside the chassis.
1
CPU_FAN
1
SYS_FAN
• Be sure to connect fan cables to the fan headers to prevent your APU and system from overheating. Overheating
may result in damage to the APU or the system may hang.
• These fan headers are not configuration jumper blocks. Do not place a jumper cap on the headers.
ATX_12V:
Pin No. Definition
1
GND (Only for 2x4-pin ATX)
2
GND (Only for 2x4-pin ATX)
3
GND
4
GND
ATX:
Pin No. Definition
1
3.3V
2
3.3V
3
GND
4
+5V
5
GND
6
+5V
7
GND
8
Power Good
9
5VSB (stand by +5V)
10
+12V
11
+12V (Only for 2x12-pin
ATX)
12
3.3V (Only for 2x12-pin
ATX)
CPU_FAN/SYS_FAN:
Pin No. Definition
1
GND
2
+12V
3
Sense
4
Speed Control
- 13 -
Pin No. Definition
5
+12V (Only for 2x4-pin ATX)
6
+12V (Only for 2x4-pin ATX)
7
+12V
8
+12V
Pin No. Definition
13
3.3V
14
-12V
15
GND
16
PS_ON (soft On/Off)
17
GND
18
GND
19
GND
20
-5V
21
+5V
22
+5V
23
+5V (Only for 2x12-pin ATX)
24
GND (Only for 2x12-pin ATX)
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