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iii
Contents
Safety information .......................................................................................................v
About this guide .........................................................................................................vi
X99-A specifications summary ............................................................................... viii
Package contents .....................................................................................................xiv
Installation tools and components ..........................................................................xv
Chapter 1: Product Introduction
1.1 Special features..........................................................................................1-1
1.1.1 Product highlights........................................................................1-1
1.1.2 Other special features ................................................................. 1-2
1.2 Motherboard overview ...............................................................................1-3
1.2.1 Before you proceed .....................................................................1-3
1.2.2 Motherboard layout .....................................................................1-4
1.2.3 Central Processing Unit (CPU) ...................................................1-6
1.2.4 System memory ..........................................................................1-7
1.2.5 Expansion slots ......................................................................... 1-13
1.2.6 Onboard buttons and switches..................................................1-16
1.2.7 Jumpers ....................................................................................1-21
1.2.8 Onboard LEDs ..........................................................................1-23
1.2.9 Internal connectors....................................................................1-29
Chapter 2: Basic installation
2.1 Building your PC system ...........................................................................2-1
2.1.1 Motherboard installation ..............................................................2-1
2.1.2 CPU installation...........................................................................2-3
2.1.3 CPU heatsink and fan assembly installation ............................... 2-4
2.1.4 DIMM installation.........................................................................2-6
2.1.5 ATX Power connection................................................................2-7
2.1.6 SATA device connection ............................................................. 2-8
2.1.7 Front I/O Connector ....................................................................2-9
2.1.8 Expansion Card installation.......................................................2-10
2.2 BIOS update utility ................................................................................... 2-11
2.3 Motherboard rear and audio connections .............................................2-12
2.3.1 Rear I/O connection ..................................................................2-12
2.3.2 Audio I/O connections ............................................................... 2-14
2.4 Starting up for the first time ....................................................................2-16
2.5 Turning off the computer ........................................................................2-17