MSI H81M-P33 Series - JPWR1~2: ATX Power Connectors; JCOM1: Serial Port Connector; Internal Connectors

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Internal Connectors
JPWR1~2: ATX Power Connectors
These connectors allow you to connect an ATX power supply. To connect the ATX
power supply, align the power supply cable with the connector and 󰘰rmly press the
cable into the connector. If done correctly, the clip on the power cable should be
hooked on the motherboard’s power connector.
Video Demonstration
Watch the video to learn how to install power supply connectors.
http://youtu.be/gkDYyR_83I4
13.+3.3
V
1.+3.3
V
14.-12V
2.+3.3
V
15.Ground
3
.Ground
16.PS-ON
#
4.+5
V
17.Ground
5
.Ground
18.Ground
6.+5
V
19.Ground
7
.Ground
22.+5
V
10.+12V
20.Res
8.PW
R O
K
23.+5
V
11
.+12V
21.+5
V
9.5VSB
24.Ground
12.+3.3
V
JPWR1
4.+12V
2
.Ground
3.+12V
1
.Ground
JPWR2
Important
Make sure that all the power cables are securely connected to a proper ATX power
supply to ensure stable operation of the motherboard.
JCOM1: Serial Port Connector
This connector is a 16550A high speed communication port that sends/receives 16
bytes FIFOs. You can attach a serial device.
1
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D
C
D
3
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S
O
U
T
1
0
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N
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P
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n
5
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G
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7
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R
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S
9
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8
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C
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S
6
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D
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R
4
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D
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2
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S
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N