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M S-7346 M ainboard
Power Supply
ATX 24-Pin Power Connector: ATX
This connector allows you to connect an ATX 24-pin power supply.
To connect the ATX 24-pin power supply, make sure the plug 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.
You may use the 20-pin ATX power supply as you like. If you'd like
to use the 20-pin ATX power supply, please plug your power sup-
ply along with pin 1 & pin 13 (refer to the image at the right hand).
12
ATX
1
ATX 12V Power Connector: JPW1/ JPW2
The JPW 112V power connector is used to provide power to the CPU. And the JPW 2
12V power connector is used to provide power to the PCIEX16 graphics card.
5
1
PIN SIGNAL
1
8
4
2
3
JPW1
4
Important
1. Make sure that all the connectors are connected to proper ATX power sup-
plies to ensure stable operation of the mainboard.
2. Power supply of 350 watts (and above) is highly recommended for system
stability.
3. ATX 12V power connection should be greater than 18A.
2-10
Pin Definition
24
PIN
SIGNAL
1
+3.3V
2
+3.3V
3
GND
4
+5V
5
GND
6
+5V
7
GND
8
PWR OK
9
5VSB
10
+12V
13
11
+12V
12
+3.3V
Pin Definition
PIN SIGNAL
GND
5
+12V
GND
6
+12V
GND
7
+12V
GND
8
+12V
PIN
SIGNAL
13
+3.3V
14
-12V
15
GND
16
PS-ON#
17
GND
18
GND
19
GND
20
NC
21
+5V
22
+5V
23
+5V
24
GND
Pin Definition
1
PIN
1
2
3
JPW2
4
pin 13
pin 12
SIGNAL
5V
GND
GND
12V
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