ECS A885GM-A2, Manual, Page: 5 / 76

1
Introducing the Motherboard
Chapter 1
Introducing the Motherboard
Introduction
Thank you for choosing the A885GM-A2 motherboard. This motherboard is a high
performance, enhanced function motherboard that supports socket AM3 for AMD
Six-Core Phenom
TM
II/ PhenomII
TM
X4/ Phenom
TM
/ Athlon
TM
II/ Sempron
TM
proces-
sors for high-end business or personal desktop markets.
There is an advanced full set of I/O ports in the rear panel, including PS/2 mouse and
keyboard connectors, one VGA port, one DVI port, six USB ports, one LAN port and
audio jacks for microphone, 8 channel line-in and line-out.
The motherboard incorporates the AMD 880G Northbridge (NB) and AMD SB850
Southbridge (SB) chipsets. The Northbridge supports the HyperTransport
TM
3.0 in-
terface . The memory controller supports DDR3 memory DIMM frequencies of 1600
(O.C)/1333/1066
*1
. The AMD 880G supports 32 GB memory size. A885GM-A2 has
four DDR3 slots with maximum memory size of 16GB *2 . One PCI Express x16 slot,
intended for Graphics Interface, is fully compliant to the PCI Express Gen2 (version
2.0) and one PCI-e x4 slot(the second PCI-e x16 slot) is supported. In addition, two
PCI Express x1 slots are supported.
*2. Due to the DRAM maximum size is 4GB at present, the memory
maximum size we have tested is 4X4=16GB.
*1. Due to the limitation of AMD CPU spec, please refer to Memory QVL
for more information.
The AMD SB850 Southbridge supports two PCI slots which are PCI v2.3 compliant.
It integrates USB 2.0 interface, supporting up to twelve functional ports (six USB
ports and three USB 2.0 headers support additional six USB ports).
The Southbridge
integrates a Serial ATA host controller, supporting five SATA ports with maximum
transfer rate up to 6.0 Gb/s each.