iii
Contents
Notices ...................................................................................................................... vii
Safety information .................................................................................................... viii
About this guide ......................................................................................................... ix
SABERTOOTH 990FX specications summary ....................................................... xi
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 “Ultimate COOL!” Thermal Solution ............................................1-3
1.3.3 “TUF ENGINE!” Power Design.................................................... 1-3
1.3.4 ASUS DIY ................................................................................... 1-4
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 Jumper ......................................................................................2-18
2.2.6 Onboard switch .........................................................................2-19
2.2.7 Onboard LEDs .......................................................................... 2-20
2.2.8 Internal connectors....................................................................2-21
2.3 Building your computer system .............................................................2-29
2.3.1 Additional tools and components to build a PC system ............ 2-29
2.3.2 CPU installation.........................................................................2-30
2.3.3 CPU heatsink and fan assembly installation ............................. 2-31
2.3.5 Motherboard installation ............................................................ 2-34
2.3.6 ATX Power connection .............................................................. 2-36
2.3.7 SATA device connection ............................................................ 2-37
2.3.8 Front I/O Connector .................................................................. 2-38
2.3.9 Expension Card installation....................................................... 2-39
2.3.10 Rear panel connection .............................................................. 2-40
2.3.11 Audio I/O connections ............................................................... 2-41
2.4 Starting up for the rst time .................................................................... 2-44
2.5 Turning off the computer .........................................................................2-44