2-9
Hardware Setup
Power Supply
The mainboard supports BTX 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.
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 PWR OK
9 5VSB
10 +12V
11 +12V
12 +3.3V
Pin Definition
BTX 24-Pin Power Connector: BTX1
This connector allows you to connect an BTX 24-pin power supply. To
connect the BTX 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.
BTX1
1
12
24
13
JPW1
1
3
42
PIN SIGNAL
1 GND
2 GND
3 12V
4 12V
Pin Definition
BTX 12V Power Connector: JPWR1
This 12V power connector is used to provide power to the CPU.
MSI Reminds You...
1. These two connectors connect to the BTX power supply and have to
work together to ensure stable operation of the mainboard.
2. Power supply of 350 watts (and above) is highly recommended for
system stability.
3. BTX 12V power connection should be greater than 18A.
