Asus M3A78-EM Computer Hardware User Manual


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iii
Contents
Notices ......................................................................................................... vi
Safety information
..................................................................................... vii
About this guide
....................................................................................... viii
M3A78-EM specications summary ........................................................... x
Chapter 1: Product introduction
1.1 Welcome! ...................................................................................... 1-2
1.2 Package contents
......................................................................... 1-2
1.3 Special features
............................................................................ 1-2
1.3.1 Product highlights ...........................................................
1-2
1.3.2 ASUS unique features ....................................................
1-6
1.3.3 ASUS stylish features .....................................................
1-8
1.3.4 ASUS intelligent overclocking features ...........................
1-8
1.4 Before you proceed
..................................................................... 1-9
1.5 Motherboard overview
............................................................... 1-10
1.5.1 Motherboard layout .......................................................
1-10
1.5.2 Placement direction .......................................................
1-11
1.5.3 Screw holes ...................................................................
1-11
1.6 Central Processing Unit (CPU)
................................................. 1-12
1.6.1 Installing the CPU .........................................................
1-12
1.6.2 Installing the heatsink and fan ......................................
1-14
1.7 System memory
......................................................................... 1-16
1.7.1 Overview .......................................................................
1-16
1.7.2 Memory congurations ..................................................
1-16
1.7.3 Installing a DIMM ..........................................................
1-20
1.7.4 Removing a DIMM ........................................................
1-20
1.8 Expansion slots
.......................................................................... 1-21
1.8.1 Installing an expansion card .........................................
1-21
1.8.2 Conguring an expansion card .....................................
1-21
1.8.3 PCI slots ........................................................................
1-24
1.8.4 PCI Express x1 slot .......................................................
1-24
1.8.5 PCI Express x16 slot .....................................................
1-24
1.9 Jumpers
...................................................................................... 1-25
1.10 Connectors
................................................................................. 1-26
1.10.1 Rear panel connectors ..................................................
1-26
1.10.2 Internal connectors .......................................................
1-29
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