MSI K9A2GM V2 Serie Manuel D'instructions page 12

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Important:
DDR2 memory modules are not interchangeable with DDR and the DDR2 standard is not
backwards compatible. You should always install DDR2 memory modules in the DDR2
DIMM slots.
To enable successful system boot-up, always insert the memory modules into the DIMM1
first.
ATX 24-Pin Power Connector: ATX1
This connector allows you to connect an ATX 24-pin power supply.
To connect the ATX 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.
You may use the 20-pin ATX power supply as you like. If you like to
use the 20-pin ATX power supply, please plug your power supply
along with pin 1 & pin 13 (refer to the image at the right hand).
ATX 12V Power Connector: PWR1
This 12V power connector is used to provide power to the CPU.
Important:
Make sure that all the connectors are connected to proper ATX power supplies to ensure
stable operation of the mainboard.
Power supply of 350 watts (and above) is highly recommended for system stability.
ATX 12V power connection should be greater than 18A.
Floppy Disk Drive Connector: FDD1
This connector supports 360KB, 720KB, 1.2MB, 1.44MB or
2.88MB floppy disk drive.
IDE Connector: IDE1
This connector supports IDE hard disk drives, optical disk drives and other
IDE devices.
Important:
If you install two IDE devices on the same cable, you must configure the
drives to cable select mode or separately to master / slave mode by setting
jumpers. Refer to IDE device documentation supplied by the vendors for
jumper setting instructions.
6
+3.3V GND
+12V +5V
+12V +5V
+5V
5VSB
Res
PWR OK
GND GND
+5V GND
GND
GND
+5V
PS-ON#
GND GND
+3.3V
-12V
+3.3V +3.3V
GND GND
+12V +12V