Asus A55M-A Series, User Manual, Page: 3 / 78

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Contents
Safety information ...................................................................................................... vi
About this guide ........................................................................................................ vii
A55M-A Series specifications summary .................................................................. ix
Package contents ....................................................................................................... xi
Product introduction
1.1 Special features ............................................................................................1-1
1.1.1 Product highlights ...........................................................................1-1
1.1.2 ASUS DIGI+ VRM ...........................................................................1-1
1.1.3 ASUS Exclusive Features ...............................................................1-2
1.2 Before you proceed ......................................................................................1-4
1.3 Motherboard overview .................................................................................1-5
1.3.1 Placement direction ........................................................................1-5
1.3.2 Screw holes ....................................................................................1-5
1.3.3 Motherboard layout .........................................................................1-6
1.3.4 Layout contents ...............................................................................1-7
1.4 Accelerated Processing Unit (APU) ............................................................1-7
1.4.1 APU installation ...............................................................................1-8
1.4.2 APU heatsink and fan assembly installation ...................................1-9
1.5 System memory .......................................................................................... 1-11
1.5.1 Overview ....................................................................................... 1-11
1.5.2 Memory configurations ..................................................................1-12
1.5.3 Installing a DIMM ..........................................................................1-17
1.6 Expansion slots ..........................................................................................1-18
1.6.1 Installing an expansion card .........................................................1-18
1.6.2 Configuring an expansion card .....................................................1-18
1.6.3 PCI slot .........................................................................................1-18
1.6.4 PCI Express x1 slot .......................................................................1-18
1.6.5 PCI Express x16 slot .....................................................................1-18
1.7 Jumpers.......................................................................................................1-20
1.8 Connectors ..................................................................................................1-22
1.8.1 Rear panel ports ...........................................................................1-22
1.8.2 Internal connectors .......................................................................1-23
1.9 Software support ........................................................................................1-29
1.9.1 Installing an operating system ......................................................1-29
1.9.2 Support DVD information ..............................................................1-29