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Gigabyte GA-A55M-DS2 User Manual

Gigabyte GA-A55M-DS2
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1-4 Installing the Memory
Due to APU limitations, read the following guidelines before installing the memory in Dual Channel mode.
Dual Channel mode cannot be enabled if only one DDR3 memory module is installed.1.
When enabling Dual Channel mode with two memory modules, it is recommended that memory of 2.
the same capacity, brand, speed, and chips be used for optimum performance.
DualChannelMemoryConguration
This motherboard provides two DDR3 memory sockets and supports Dual Channel Technology. After the
memory is installed, the BIOS will automatically detect the specications and capacity of the memory. En-
abling Dual Channel memory mode will double the original memory bandwidth.
The two DDR3 memory sockets are divided into two channels and each channel has one memory socket as
following:
Channel 0: DDR3_2
Channel 1: DDR3_1
Read the following guidelines before you begin to install the memory:
Make sure that the motherboard supports the memory. It is recommended that memory of the
same capacity, brand, speed, and chips be used.
(Go to GIGABYTE's website for the latest supported memory speeds and memory modules.)
Always turn off the computer and unplug the power cord from the power outlet before installing
the memory to prevent hardware damage.
Memory modules have a foolproof design. A memory module can be installed in only one direc-
tion. If you are unable to insert the memory, switch the direction.
1-5 Installing an Expansion Card
Read the following guidelines before you begin to install an expansion card:
Make sure the motherboard supports the expansion card. Carefully read the manual that came
with your expansion card.
Always turn off the computer and unplug the power cord from the power outlet before installing
an expansion card to prevent hardware damage.
DDR3_2
DDR3_1

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Gigabyte GA-A55M-DS2 Specifications

General IconGeneral
Memory voltage1.5 V
Memory channelsDual-channel
Memory slots typeDIMM
Number of memory slots2
Supported memory typesDDR3-SDRAM
Maximum internal memory32 GB
Supported memory clock speeds1066, 1333, 1600, 1866 MHz
Supported memory module capacities16GB, 1GB, 2GB, 4GB, 8GB
Processor socketSocket FM1
Processor manufacturerAMD
Compatible processor seriesAMD A, AMD E2
Maximum number of SMP processors1
S/PDIF out connectorYes
Number of SATA II connectors4
Number of SATA III connectors-
Number of Parallel ATA connectors0
BIOS typeAWARD
ACPI version1.0b
BIOS memory size64 Mbit
USB 2.0 ports quantityUSB 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 forPC
Power source typeATX
Motherboard chipsetAMD A55
Audio output channels7.1 channels
Motherboard form factormicro ATX
Compatible operating systemsMicrosoft Windows 7/Vista/XP
RAID levels0, 1, 10, JBOD
Supported storage drive interfacesSATA II
Parallel processing technology supportNot supported
PCI Express slots version2.0
Trial softwareNorton Internet Security
Ethernet interface typeGigabit Ethernet
Weight and Dimensions IconWeight and Dimensions
Depth174 mm
Width225 mm

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