Asus M4A78-EM Computer Hardware User Manual


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iii
Contents
Notices ......................................................................................................... vi
Safety information ..................................................................................... vii
About this guide ........................................................................................ vii
M4A78-EM specications summary .......................................................... ix
Chapter 1: Product introduction
1.1 Welcome! ...................................................................................... 1-1
1.2 Package contents .........................................................................
1-1
1.3 Special features ............................................................................
1-1
1.3.1 Product highlights ...........................................................
1-1
1.3.2 Innovative ASUS features ...............................................
1-3
1.4 Before you proceed .....................................................................
1-5
1.5 Motherboard overview .................................................................
1-6
1.5.1 Placement direction ........................................................
1-6
1.5.2 Screw holes ....................................................................
1-6
1.5.3 Motherboard layout .........................................................
1-7
1.5.4 Layout contents ...............................................................
1-7
1.6 Central Processing Unit (CPU) ...................................................
1-8
1.6.1 Installing the CPU ...........................................................
1-8
1.6.2 Installing the heatsink and fan ......................................
1-10
1.7 System memory .........................................................................
1-11
1.7.1 Overview ........................................................................
1-11
1.7.2 Memory congurations ..................................................
1-12
1.7.3 Installing a DIMM ..........................................................
1-16
1.7.4 Removing a DIMM ........................................................
1-16
1.8 Expansion slots ..........................................................................
1-17
1.8.1 Installing an expansion card .........................................
1-17
1.8.2 Conguring an expansion card .....................................
1-17
1.8.3 PCI slots ........................................................................
1-17
1.8.4 PCI Express x1 slot .......................................................
1-17
1.8.5 PCI Express x16 slot .....................................................
1-17
1.9 Jumpers ......................................................................................
1-18
1.10 Connectors .................................................................................
1-19
1.10.1 Rear panel ports ...........................................................
1-19
1.10.2 Internal connectors .......................................................
1-21
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