Connectors; Power Supply - MSI KT4A-V Instruction Manual

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: CONN1
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.
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: J6 (Optional)
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 must enter the BIOS setting and
clear the status.
CD-In Connector: JCD1
The connector is for CD-ROM audio connector.
Fan Power Connectors: CFAN1/NBFAN1/SFAN1
The CFAN1 (processor fan), NBFAN1 (NorthBridge fan) and SFAN (system fan)
support system cooling fan with +12V. They support three-pin head connector. When
connecting the wire to the connectors, always take note that the red wire is the positive and should be
connected to the +12V, the black wire is Ground and should be connected to GND. If the mainboard
has a System Hardware Monitor chipset on-board, you must use a specially designed fan with speed
Volt Notch
GND
12V
6
11 1
3.3V
-12V
GND
PS_ON
GND
GND
GND
-5V
5V
5V
20 10
1 2
GND
12V
3 4
GND 2
CINTRU 1
+12V
3.3V
3.3V
GND
5V
GND
5V
GND
PW_OK
5V_SB
12V
GND
SENSOR