MSI K9NU Speedster, User Manual

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2-9
Hardware Setup
Power Supply
PIN SIGNAL
13 +3.3V
14 -12V
15 GND
16 PS-ON#
17 GND
18 GND
19 GND
20 Res
21 +5V
22 +5V
23 +5V
24 GND
PIN SIGNAL
1 +3.3V
2 +3.3V
3 GND
4 +5V
5 GND
6 +5V
7 GND
8 PW R OK
9 5VSB
10 +12V
11 +12V
12 +3.3V
JPWR1 Pin Definition
Important
1. Make sure that both connectors are connected to proper power supply to
ensure stable operation of the mainboard.
2. Power supply of 600 watts (and above) is highly recommended for system
stability.
24-Pin System Power Connector: JPWR1
This connector allows you to connect power supply. To connect to the 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.
12V Power Connector: JPWR2
This 12V power connector is used to provide power to the CPU.
JPWR2
1
3 4
2
PIN SIGNAL
1 GND
2 GND
3 12V
4 12V
JPWR2 Pin Definition
JPWR1
12 1
24
13