Elitegroup A990FXM-A (V1.1) - Manual (Page 5)

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A990FXM-A USER MANUAL
Chapter 1
Chapter 1
Introducing the Motherboard
Introduction
Thank you for choosing the A990FXM-A motherboard. This motherboard is a high
performance, enhanced function motherboard that supports socket
for AMD
Phenom TM and later desktop processors (socket AM3+) for high-end business or per-
sonal desktop markets.
The motherboard incorporates the AMD 990FX Northbridge (NB) and SB950
Southbridge (SB) chipsets. The Northbridge supports the HyperTransport
TM 3.0 inter-
face . The memory controller supports DDR3 memory DIMM frequencies of 2133 (OC)/
1866/1600/1333 * . It supports four DDR3 slots with maximum memory size of 128
GB*. Three PCI Express x16 slots, intended for Graphics Interface, are fully compli-
ant to the PCI Express Gen2 (version 2.0). In addition, two PCI Express x1 slots are
supported.
The SB950 Southbridge supports one PCI slot which is PCI v2.3 compliant. It inte-
grates USB 2.0 interface, supporting up to ten USB 2.0 ports (six USB ports and two
USB 2.0 headers support additional four USB 2.0 ports).
The Southbridge integrates
a Serial ATA host controller, supporting six SATA ports with maximum transfer rate up
to 6Gb/s each.
In addition, the mainboard assembles extra USB3.0 chip, which supports two USB
3.0 ports at rear panel with high speed of 5Gb/s.
There is an advanced full set of I/O ports in the rear panel, including one PS/2 mouse
and keyboard combo connector, six USB 2.0 ports, two USB 3.0 ports, two LAN ports,
one optical SPDIFO port and audio jacks for microphone, line-in and 8-ch line-out.
Your motherboard package ships with the following items:
Package Contents
A990FXM-A Motherboard
Quick Installation Guide
User Manual
DVD
I/O Shield
2 SATA 6Gb/s Cables ‰
‰
‰
‰
‰
‰
The package contents above are for reference only, please take the actual
package items as standard.
* Due to the limitation of AMD CPU spec, please refer to Memory QVL for
more information.