Gigabyte GA-A55M-DS2 User Manual

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1-6 SetupoftheAMDDualGraphicsConguration
(Note) Make sure the drivers for the Chipset, onboard graphics, and external graphics card are properly
installed.
Combining the onboard GPU with a discrete graphics card, AMD's Dual Graphics technology can provide
signicantly advanced display performance for AMD platform. Read the following instructions on conguring a
Dual Graphics system.
A. System Requirements
- AMD A series processor
- Windows 7 operating system
- An AMD Dual Graphics technology-supported motherboard and correct driver
- An AMD Radeon HD 6000 series graphics card that supports AMD Dual Graphics technology (for more
details, please visit AMD's ofcial website ) and correct driver
B.InstallingtheGraphicsCardsandConguringBIOSSetup
Step 1:
Observe the steps in "1-5 Installing an Expansion Card" and install an AMD Dual Graphics technology-
supported graphics card on the PCIEX16 slot. Plug the monitor cable into the graphics card and start up your
computer.
Step 2:
Enter BIOS Setup to set the following items under the AdvancedBIOSFeatures menu:
- Set UMAFrameBufferSize to 512MB or 1024MB.
- Set InitDisplayFirst to Onboard.
Save the settings and exit BIOS Setup. Power off your computer.
Step 3:
Remove the monitor cable from the graphics card and plug it into the integrated graphics port on the back
panel and restart your computer.
C.ConguringtheGraphicsDriver
After installing the graphics card driver in the operating system, go to
the AMDVISIONEngineControlCenter. Browse to Performance\
AMDCrossFire
™
and ensure the EnableCrossFire
™
check box is
selected.

Gigabyte GA-A55M-DS2 Specifications

General

Memory voltage	1.5 V
Memory channels	Dual-channel
Memory slots type	DIMM
Number of memory slots	2
Supported memory types	DDR3-SDRAM
Maximum internal memory	32 GB
Supported memory clock speeds	1066, 1333, 1600, 1866 MHz
Supported memory module capacities	16GB, 1GB, 2GB, 4GB, 8GB
Processor socket	Socket FM1
Processor manufacturer	AMD
Compatible processor series	AMD A, AMD E2
Maximum number of SMP processors	1
S/PDIF out connector	Yes
Number of SATA II connectors	4
Number of SATA III connectors	-
Number of Parallel ATA connectors	0
BIOS type	AWARD
ACPI version	1.0b
BIOS memory size	64 Mbit
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Component for	PC
Power source type	ATX
Motherboard chipset	AMD A55
Audio output channels	7.1 channels
Motherboard form factor	micro ATX
Compatible operating systems	Microsoft Windows 7/Vista/XP
RAID levels	0, 1, 10, JBOD
Supported storage drive interfaces	SATA II
Parallel processing technology support	Not supported
PCI Express slots version	2.0
Trial software	Norton Internet Security
Ethernet interface type	Gigabit Ethernet

Weight and Dimensions

Depth	174 mm
Width	225 mm