ASUSTeK COMPUTER H81I-CM-AA, Manual

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Contents
Chapter 1 Product overview
1.1 Package contents......................................................................... 1-1
1.2 Features ........................................................................................ 1-1
1.3 Specifications ............................................................................... 1-2
Chapter 2 Motherboard information
2.1 Before you proceed ..................................................................... 2-1
2.2 Motherboard layout ...................................................................... 2-2
2.3 Central Processing Unit (CPU) ................................................... 2-4
2.3.1 Installing the CPU ........................................................... 2-5
2.3.2 CPU heatsink and fan assembly installation ................... 2-7
2.4 System memory ........................................................................... 2-9
2.5 Jumpers ...................................................................................... 2-10
2.6 Connectors ................................................................................. 2-12
2.6.1 Rear panel connectors .................................................. 2-12
2.6.2 Internal connectors ....................................................... 2-14
Chapter 3 BIOS setup
3.1 BIOS setup program .................................................................... 3-1
3.2 My Favorites ................................................................................. 3-3
3.3 Main menu .................................................................................... 3-4
3.3.1 System Language [English] ............................................ 3-4
3.3.2 System Date [Day xx/xx/xxxx] ......................................... 3-4
3.3.3 System Time [xx:xx:xx] ................................................... 3-4
3.3.4 Security ........................................................................... 3-4
3.4 Ai Tweaker menu .......................................................................... 3-7
3.4.1 CPU Core Ratio [Auto] .................................................... 3-8
3.4.2 Min. CPU Cache Ratio [Auto] ......................................... 3-8
3.4.3 Max. CPU Cache Ratio [Auto] ........................................ 3-8
3.4.4 DRAM Frequency [Auto] ................................................. 3-8
3.4.5 Max. CPU Graphics Ratio [Auto] .................................... 3-9
3.4.6 DRAM Timing Control ..................................................... 3-9
3.4.7 CPU Power Management ............................................. 3-11
3.5 Advanced menu ......................................................................... 3-14
3.5.1 CPU Configuration ........................................................ 3-14
3.5.2 PCH Configuration ........................................................ 3-16