1.3.1 Product highlights Asus prime Asus M3A78-EM

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This motherboard supports AMD


 Socket AM2+ multi-core processors with 

unique L3 cache and delivers better overclocking capabilities with less power 

consumption. It features dual-channel DDR2 1066 memory support and 

accelerates data transfer rate up to 5200MT/s via HyperTransport™ 3.0 based 

system bus. See page 1-12 for details.







The motherboard supports AMD socket AM2 single-core Athlon 64/ Sempron and 

dual-core Athlon 64 X2/ Athlon 64 FX processors with 2MB / 1MB / 512KB 

L2 cache, which is based on 64-bit architecture. It features 2000 / 1600 MT/s 

HyperTransport Bus, dual-channel un-buffered DDR2 800 memory support and 

AMD Cool ‘n’ Quiet! Technology. See page 1-12 for details.

AMD Cool ‘n’ Quiet Technology 


The motherboard supports the AMD Cool ‘n’ Quiet Technology, which monitors 

system operation and automatically adjusts CPU voltage and frequency for a cool 

and quiet operating environment. See page 2-23 for details.




AMD 780G Northbridge is the latest AMD chipset designed for both HT1.0 and 

5200MT/s HyperTransport™ 3.0 (HT 3.0) interface speed and external graphics 

in PCI Express™ 2.0/1.1 standard ,.It features the integrated DX10 compliant ATI 

RV610-based graphics ,which supports dual VGA outputs including DVI/HDMI 

interface with HDCP compliant ,and incorporates AMD’s UVD with hardware 

acceleration of H.264, VC1 and Mpeg2 used in HD DVD and BluRay disks. 

Meanwhile it can also support the future mainstream Hybrid CrossFire Technology 

that significantly optimizes your 3D performance.