MSI K9MM-V User Guide - Page 12

Installing DDRII Modules Volt Notch 1. The memory module has only one notch on the center and will only fit in the right orientation. 2. Insert the memory module vertically into the DIMM slot. Then push it in until the golden finger on the memory module is deeply inserted in the DIMM slot. 3. The plastic clip at each side of the DIMM slot will automatically close. 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 350W or above power supply is suggested. ATX 24-Pin Power Connector: JWR2 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'd like to use the 20-pin ATX power supply, please plug your power supply along with pin 1 & pin 13. There is also a foolproof design on pin 11, 12, 23 & 24 to avoid wrong installation. +3.3V +12V +12V 5VSB PWR OK GND +5V GND +5V GND +3.3V +3.3V GND +5V +5V +5V Res GND GND GND P S- ON # GND -12V +3.3V ATX 12V Power Connector: JPW1 This 12V power connector is used to provide power to the CPU. GND GND +12V +12V 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. IDE Connector: IDE1 The mainboard has a Ultra DMA 66/100/133 controller that provides PIO mode 0~4, Bus Master, and Ultra DMA 66/100/133 function. You can connect up to 2 hard disk drives, CD-ROM, 120MB Floppy and other devices. The IDE1 can connect a Master and a Slave drive. You must configure second hard drive to Slave mode by setting the jumper accordingly. 6