Asus M3A78-EH - Manual (Page 3)

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Contents
Notices ......................................................................................................... vi
Safety information ..................................................................................... vii
M3A78-EH specifications 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 Innovative ASUS features .............................................. 1-6
1.4 Before you proceed ..................................................................... 1-7
1.5 Motherboard overview ................................................................. 1-8
1.5.1
Motherboard layout ......................................................... 1-8
1.5.2 Placement direction ........................................................ 1-9
1.5.3 Screw holes .................................................................... 1-9
1.6 Central Processing Unit (CPU) ................................................. 1-10
1.6.1
Installing the CPU ......................................................... 1-10
1.6.2 Installing the heatsink and fan ...................................... 1-12
1.7 System memory ......................................................................... 1-14
1.7.1
Overview ....................................................................... 1-14
1.7.2 Memory configurations .................................................. 1-14
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 Configuring 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 ................................................................................. 1-27
1.10.1 Rear panel connectors .................................................. 1-27
1.10.2 Internal connectors ....................................................... 1-29