Elitegroup A990FXM-A Deluxe (V1.0) - Manual (Page 5)

1
Introducing the Motherboard
Chapter 1
Introducing the Motherboard
Introduction
Thank you for choosing the A990FXM-A DELUXE 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 personal desktop markets.
There is an advanced full set of I/O ports in the rear panel, including one PS/2 mouse
and keyboard combo connector, one Bluetooth, two ESATA ports, one CLR_CMOS
button, eight 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.
The motherboard incorporates the AMD 990FX Northbridge (NB) and SB950
Southbridge (SB) chipsets. The Northbridge supports the HyperTransport
TM 3.0 in-
terface . 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 compliant to the PCI Express Gen2 (version 2.0). In addition, two PCI Express
x1 slots are supported.
* Due to the limitation of AMD CPU spec, please refer to Memory QVL
for more information.
The SB950 Southbridge supports one PCI slot which is PCI v2.3 compliant. It
integrates USB 2.0 interface, supporting up to twelve USB 2.0 ports (eight USB ports
and two USB 2.0 headers support additional four USB 2.0 ports) and one USB 3.0
header.
The Southbridge integrates a Serial ATA host controller, supporting six SATA
ports with maximum transfer rate up to 6 Gb/s each, and two eSATA3 6.0 Gb/s
connector at Real connector.
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.