En-14 – MSI G31M3 User Manual
Page 22
En-14
M S-7528 M ainboard
Power Supply Attachment
Before inserting the power supply connector, always make sure that all components are
installed properly to ensure that no dam age will be caused. All power connectors on
the mainbnoard have to connect to the ATX power supply and have to work together to
ensure stable operation of the mainboard.
ATX 24-Pin Power Connector
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 supply along with pin 1 & pin 13.
1
12 24
13
+3.3V
+3.3V
GND
+5V
GND
+5V
GND
PW R OK
5VSB
+12V
+12V
+3.3V
GND
+5V
+5V
+5V
NC
GND
GND
GND
PS-ON#
GND
-12V
+3.3V
ATX 12V Power Connector (2x2-Pin)
This 12V power connector is used to provide power to the CPU.
TPM module Connector
This connector connects to a TPM (Trusted Platform Module) module (optional). Please
refer to the TPM security platform manual for more details and usages.
1
3
4
2
GND
12V
GND
12V
2
1
14
13
3Vdual / 3V_STB
LCLK
LRST#
LAD0
LAD1
LAD2
LAD3
LFRAME#
VCC3
SIRQ
VCC5
Key(no pin)
GND
GND
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