MSI 845PE-V2 Series Instruction Manual - Page 11

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Power Supply

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. A 300W or above power supply is suggested.
ATX 20-Pin Power Connector: PWR1
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.
ATX 12V Power Connector: JPW1
This 12V power connector is used to provide power to the CPU.
3
4
12V
GND
1
2
Floppy Disk Drive Connector: FDD1
The mainboard provides a standard floppy disk drive connector
that supports 360K, 720K, 1.2M, 1.44M and 2.88M floppy disk
types.
Chassis Intrusion Switch Connector: JCI1
This connector is connected to 2-pin connector chassis switch. If the
Chassis is open, the switch will be short. The system will record this status. To clear the warning, you
Volt
N ot ch
12V
G ND
7
10
20
12 V
5 V_ SB
PW _OK
GND
5V
GND
5V
GND
3. 3V
3. 3V
1
11
GN D
2
C I NT RO
1
5V
5 V
-5V
GND
GND
GND
PS _ON
GND
-12 V
3.3 V