User guide

Introduction
iii
Equipment ......................................................................................................7
EVGA nForce 680i LT SLI Motherboard..............................................................8
Hardware Installation .................................................................................11
Safety Instructions ........................................................................................11
Preparing the Motherboard.............................................................................12
Installing the CPU ......................................................................................12
Installing the CPU Fan................................................................................13
Installing Memory DIMMs ........................................................................... 13
Installing the Motherboard .............................................................................14
Installing the I/O Shield .............................................................................14
Securing the Motherboard into the Chassis...................................................14
Connecting Cables and Setting Switches..........................................................15
Power Connections ....................................................................................16
24-pin ATX Power (PWR1) ......................................................................16
8-pin ATX 12V Power (PWR2)..................................................................17
Auxiliary Power for Graphics (PWR3)........................................................17
Connecting IDE Hard Disk Drives ................................................................ 18
Connecting Serial ATA Cables .....................................................................18
Connecting Internal Headers.......................................................................19
Front Panel Header ................................................................................19
IEEE 1394a............................................................................................20
USB Headers .........................................................................................21
Audio........................................................................................................ 22
Fan Connections ........................................................................................ 23
COM1 .......................................................................................................24
FDD Connector ..........................................................................................24
Expansion Slots .........................................................................................24
PCI Slots ...............................................................................................25