Introducing The Motherboard; Introduction - ECS A890GXM-A2 Manual

Chapter 1

Introducing the Motherboard

Introduction

Thank you for choosing the A890GXM-A2 motherboard. This motherboard is a
high performance, enhanced function motherboard that supports socket
TM TM
Phenom II/Athlon II/Sempron
or personal desktop markets.
The motherboard incorporates the AMD 890GX Northbridge (NB) and SB850
Southbridge (SB) chipsets. The Northbridge supports the HyperTransport
terface. The memory controller supports DDR3 memory
1800 (OC)/1600 (OC)/1333/1066*
memory size of 32 GB* 2 . Two PCI Express x16 slot, intended for Graphics Interface,
are fully compliant to the PCI Express Gen2 (version 2.0). In addition, one PCI
Express x1 slot is supported and one PCI Express x4 slot which is PCI v2.0 compli-
ant is supported.
The SB850 Southbridge supports one PCI slot which is PCI v2.3 compliant. It
integrates USB 2.0 interface, supporting up to twelve USB2.0 ports (four USB ports
and four USB 2.0 headers support additional eight USB ports). The Southbridge
integrates a Serial ATA host controller, supporting five SATA ports with maximum
transfer rate up to 6 Gb/s each, and one eSATA3 6.0 Gb/s connector through the
bundled eSATA3 bracket.
In additon, the mainboard assembles extra USB3.0 chip, which suooprts two USB 3.0
ports with high speed of 5Gb/s.
There is an advanced full set of I/O ports in the rear panel, including one VGA port,
one DVI port, one ESATA port, one HDMI port, one Display port, four USB2.0
ports, two USB3.0 ports, two LAN ports, one optical SPDIFO port and audio jacks
for microphone, line-in and 8-ch line-out.
*1. Due to the limitation of AMD CPU spec, please refer to Memory QVL
for more information.
*2. Due to the DRAM maximum size (4 GB per dimm) at present, the
memory maximum size we have tested is 8 GB per dimm.
Introducing the Motherboard
TM
processors (socket AM3)
DIMM frequencies of
1
. It supports four DDR3 slots with maximum
for AMD
for high-end business
TM 3.0 in-
1