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Chapter 2
Power Supply
The mainboard supports ATX power supply for the power system. Be-
fore inserting the power supply connector, always make sure that all compo-
nents are installed properly to ensure that no damage will be caused.
ATX 20-Pin Power Connector: JWR1
This connector allows you to connect to an ATX power supply. To
connect to the ATX power supply, make sure the plugs of the power supply is
inserted in the proper orientation and the pins are aligned. Then push down
the power supply firmly into the connector. The power connector supports
instant power on function which means that system will boot up immediately
when the power supply connector is inserted on the board.
20
10
JWR1
11
1
JWR1 Pin Definition
PIN
SIGNAL
PIN
1
3.3V
11
2
3.3V
12
3
GND
13
4
5V
14
5
GND
15
6
5V
16
7
GND
17
8
PW_OK
18
9
5V_SB
19
10
12V
20
2-6
SIGNAL
3.3V
-12V
GND
PS_ON
GND
GND
GND
-5V
5V
5V
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