User guide

ASUS M3A78-CM 1-3
AMD
®
Socket AM2 Athlon™ / Sempron™
CPU support
This motherboard supports AMD Socket AM2 Athlon / Sempron processors. It
features 2000/1600MT/s HyperTransport™ based system bus, dual-channel
un-buffered DDR2 800 memory support, and AMD Cool ‘n’ Quiet™ Technology.
See page 1-10 for details.
HyperTransport™ 3.0 support
MT/s
5200
HyperTransport 3.0 technology provides 2.6 times more bandwidth than HT1.0 that
radically improves system efciency for a smoother, faster computing environment.
Native DDR2 1066 support
This motherboard supports native DDR2 1066. It provides faster data transfer rate
and more bandwidth to increase memory computing efciency, enhancing system
performance in 3D graphics and other memory demanding applications. See page
1-15 for details.
64-bit CPU support
64-bit computing, the next generation technology to replace the current 32-bit
architecture, delivers advanced system performance, faster memory access and
increased productivity. This motherboard provides excellent compatibility and
exibility by supporting either 64-bit or 32-bit architecture.
• DDR2 1066 is supported by AM2+ CPU only. Refer to www.asus.com for
the supported CPU models.
• Due to AM2+ CPU limitation, only one DDR2 1066 DIMM is supported per
channel. When four DDR2 1066 DIMMs are installed, all DIMMs run at
800MHz frequency by default for system stability.