iii
Contents
Safety information ...................................................................................................... vi
About this guide ........................................................................................................ vii
P9X79 LE specications summary ........................................................................... ix
Chapter 1: Product introduction
1.1 Welcome! .................................................................................................... 1-1
1.2 Package contents
....................................................................................... 1-1
1.3 Special features
.......................................................................................... 1-2
1.3.1 Product highlights
........................................................................ 1-2
1.3.2 Dual Intelligent Processors 3 with New DIGI+ Power Control ....
1-3
1.3.3 ASUS Exclusive Features ...........................................................
1-4
1.3.4 ASUS Quiet Thermal Solution .....................................................
1-5
1.3.5 ASUS EZ DIY ..............................................................................
1-5
1.3.6 Other special features .................................................................
1-6
Chapter 2: Hardware information
2.1 Before you proceed ................................................................................... 2-1
2.2 Motherboard overview ...............................................................................
2-2
2.2.1 Motherboard layout .....................................................................
2-2
2.2.2 Central Processing Unit (CPU) ...................................................
2-4
2.2.3 System memory ..........................................................................
2-5
2.2.4 Expansion slots .........................................................................
2-15
2.2.5
Onboard buttons and switches..................................................2-17
2.2.6 Onboard LEDs ..........................................................................
2-19
2.2.7 Jumper ......................................................................................
2-21
2.2.8 Internal connectors
.................................................................... 2-22
2.3 Building your computer system .............................................................
2-31
2.3.1 Additional tools and components to build a PC system ............
2-31
2.3.2 CPU installation
......................................................................... 2-32
2.3.3 CPU heatsink and fan assembly installation .............................
2-34
2.3.4 DIMM installation
....................................................................... 2-35
2.3.5
Motherboard installation ............................................................ 2-36
2.3.6
ATX Power connection ..............................................................2-38
2.3.7
SATA device connection ............................................................ 2-39
2.3.8 Front I/O Connector ..................................................................
2-40
2.3.9 Expansion Card installation
....................................................... 2-41
2.3.10 USB BIOS Flashback ...............................................................
2-42
2.3.11 Rear panel connection ..............................................................
2-43
2.3.12 Audio I/O connections ...............................................................
2-45
2.4 Starting up for the rst time ....................................................................
2-47