MSI H77MA User Guide - Page 25

Power Supply, Make sure that all the power cables are securely connected to a proper ATX power sup

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Chapter 1 MS-7756 Power Supply JPWR1: 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, align the power supply cable with the connector and firmly press the cable into the connector. If done correctly, the clip on the power cable should be hooked on the mainboard's power connector. 1.+23.+3.33.G4V.3.r+5Vo.5uG6Vn.r7+do.5uG8Vn.rP9do.Wu51nV0R1d.S1+O1B.1+K2211.V+3213.V+4.133.-5V.113.2G6V1V.rP7o1.SuG81-n.rO9Gdo2.NurG0o2n#.ruR1do2n.eu+2ds2n5.+3dV2.5+4V5.GVround BATT + JPWR2: ATX 4-pin Power Connector This connector is used to provide power to the CPU. 2.G1.rGouronudnd 4.+31.+21V2V BATT + Important Make sure that all the power cables are securely connected to a proper ATX power supply to ensure stable operation of the mainboard. 1-15

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1-15
MS-7756
Chapter 1
Power Supply
JPWR1: ATX 24-p±n Power Connector
Th±s connector allows you to connect an ATX 24-p±n power supply. To connect the ATX
24-p±n power supply, al±gn the power supply cable w±th the connector and firmly press
the cable ±nto the connector. If done correctly, the cl±p on the power cable should be
hooked on the ma±nboard’s power connector.
13.+3.3V
1.+3.3V
14.-12V
2.+3.3V
15.Ground
3.Ground
16.PS-ON#
4.+5V
17.Ground
5.Ground
18.Ground
6.+5V
19.Ground
7.Ground
22.+5V
10.+12V
20.Res
8.PWR OK
23.+5V
11.+12V
21.+5V
9.5VSB
24.Ground
12.+3.3V
BATT
+
JPWR2: ATX 4-p±n Power Connector
Th±s connector ±s used to prov±de power to the CPU.
BATT
+
4.+12V
2.Ground
3.+12V
1.Ground
Important
Make sure that all the power cables are securely connected to a proper ATX power sup-
ply to ensure stable operat±on of the ma±nboard.