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Gigabyte GA-A55M-DS2 User Manual

Gigabyte GA-A55M-DS2
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(Note) This item is present only when you install a CPU that supports this feature.
CPU Clock Ratio
Allows you to alter the clock ratio for the installed CPU. The adjustable range is dependent on the CPU
being installed.
Core Performance Boost
(Note)
Allows you to determine whether to enable the Core Performance Boost (CPB) technology, a CPU
performance-boost technology. (Default: Enabled)
CPB Ratio
(Note)
Allows you alter the ratio for the CPB. The adjustable range is dependent on the CPU being installed.
(Default: Auto)
CPU Host Clock Control
Enables or disables the control of CPU host clock. Auto (default) allows the BIOS to automatically adjust
the CPU host frequency. Manual allows the CPUFrequency(MHz) item below to be congurable.
Note: If your system fails to boot after overclocking, please wait for 20 seconds to allow for automated
system reboot, or clear the CMOS values to reset the board to default values.
CPU Host Clock
Allows you to manually set the CPU host frequency.. This option is congurable only when CPU Host
Clock Control is set to Manual. Important It is highly recommended that the CPU frequency be set in
accordance with the CPU specications.
PCIe Spread Spectrum
Enables or disables PCIe Spread Spectrum. (Default: Disabled)
Set Memory Clock
Determines whether to manually set the memory clock. Auto lets BIOS automatically set the memory
clock as required. Manual allows the memory clock control item below to be congurable. (Default: Auto)
Memory Clock
This option is congurable only when Set Memory Clock is set to Manual.
X5.33 Sets Memory Clock to X5.33.
X6.66 Sets Memory Clock to X6.66.
X8.00 Sets Memory Clock to X8.00.
X9.33 Sets Memory Clock to X9.33.

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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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