Asus M4A78T-E - Motherboard - ATX, User Manual, Page: 3 / 122

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Contents
Contents ...................................................................................................................... iii
Notices ...................................................................................................................... vii
Safety information .................................................................................................... viii
About this guide ......................................................................................................... ix
M4A78T-E specifications 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 ASUS unique features ............................................................................... 1-3
1.3.3 ASUS intelligent performance and overclocking features .......................... 1-5
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 Layout contents .......................................................................................... 2-3
2.2.3 Placement direction ................................................................................... 2-4
2.2.4 Screw holes ............................................................................................... 2-4
2.3 Central Processing Unit (CPU) .................................................................2-5
2.3.1 Installing the CPU ...................................................................................... 2-5
2.3.2 Installing the heatsink and fan ................................................................... 2-7
2.4 System memory .......................................................................................2-10
2.4.1 Overview .................................................................................................. 2-10
2.4.2 Memory configurations ..............................................................................2-11
2.4.3 Installing a DIMM ..................................................................................... 2-15
2.4.4 Removing a DIMM ................................................................................... 2-15
2.5 Expansion slots........................................................................................2-16
2.5.1 Installing an expansion card .................................................................... 2-16
2.5.2 Configuring an expansion card ................................................................ 2-16
2.5.3 Interrupt assignments .............................................................................. 2-17
2.5.4 PCI slots ................................................................................................... 2-18
2.5.5 PCI Express x1 slots ................................................................................ 2-18
2.5.6 Two PCI Express 2.0 x16 slots ................................................................ 2-18
2.6 Jumpers ....................................................................................................2-19
2.7 Connectors ...............................................................................................2-21
2.7.1 Rear panel connectors ............................................................................. 2-21
2.7.2 Audio I/O connections .............................................................................. 2-22
2.7.3 Internal connectors .................................................................................. 2-26