Power Supply; Atx 24-Pin System Power Connector: Atx1; Atx 4-Pin Cpu Power Connector: Jpw1; Atx 4-Pin Vga Power Connector: Pcie_Pw1 - MSI K8N SLI-F User Manual

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.
ATX1

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
3 4
1 2
JPW1
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

Power Supply

12 24
13
1
PIN SIGNAL
1 GND
2 GND
3 12V
4 12V
ATX1 Pin Definition
PIN SIGNAL PIN
1 +3.3V 13
2 +3.3V 14
3 GND 15
4 +5V 16
5 GND 17
6 +5V 18
7 GND 19
8 PWR OK 20
9 5VSB 21
10 +12V 22
11 +12V 23
24
12 +3.3V
PCIE_PW1 Pin Definition
PCIE_PW1
4 3 2 1
LED1
SIGNAL
+3.3V
-12V
GND
PS-ON#
GND
GND
GND
3VSB
+5V
+5V
+5V
GND
PIN SIGNAL
1 5V
2 GND
3 GND
4 +12V