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MS-7185 ATX Mainboard
The mainboard supports ATX power supply for the power system. Before inserting
the power supply connector, always make sure that all components are installed
properly to ensure that no damage will be caused.
ATX 24-Pin System Power Connector: ATX1
This connector allows you to connect to an ATX power supply. To connect to the ATX
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.
12
ATX1
1
ATX 4-Pin CPU Power Connector: JPW1
This connector provides 12V power output to the CPUs.
ATX 4-Pin VGA Power Connector: PCIE_PW1
This connector is designed to connect 12V power supply for add-on PCI Express
graphics card(s). If users fail to connect this connector with an adequate power
supply, the alert LED (LED1) will glow.
JPW1 Pin Definition
PIN
3
4
1
1
2
2
JPW1
3
4
MSI Reminds You...
1. Maker sure that all three connectors are connected to adequate
ATX power supplies to ensure stable operation of the mainboard.
2. Power supply of 450watts (and above) is highly recommended
for system stability.
3. ATX 12V power connection should be greater than 20A.
E-12
All manuals and user guides at all-guides.com
Power Supply
24
PIN
1
2
3
4
5
6
7
8
9
10
13
11
12
SIGNAL
GND
4
GND
12V
12V
ATX1 Pin Definition
SIGNAL
PIN
+3.3V
13
+3.3V
14
GND
15
+5V
16
GND
17
+5V
18
GND
19
PWR OK
20
5VSB
21
+12V
22
+12V
23
24
+3.3V
PCIE_PW1 Pin Definition
PCIE_PW1
PIN
1
2
1
3
2
3
LED1
4
SIGNAL
+3.3V
-12V
GND
PS-ON#
GND
GND
GND
3VSB
+5V
+5V
+5V
GND
SIGNAL
5V
GND
GND
+12V
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