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Gigabyte GA-870A-UD3 User Manual

Gigabyte GA-870A-UD3
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- 17 - Hardware Installation
1-4-2 Installing a Memory
Notch
Before installing a memory module, make sure to turn off the computer and unplug the power
cord from the power outlet to prevent damage to the memory module.
DDR3 and DDR2 DIMMs are not compatible to each other or DDR DIMMs. Be sure to install
DDR3 DIMMs on this motherboard.
DDR3 DIMM
ADDR3memorymodulehasanotch,soitcanonlytinonedirection.Followthestepsbelowtocorrectly
install your memory modules in the memory sockets.
Step 1:
Note the orientation of the memory module. Spread the retaining
clips at both ends of the memory socket. Place the memory module
onthesocket.Asindicatedinthepictureontheleft,placeyourn-
gers on the top edge of the memory, push down on the memory and
insert it vertically into the memory socket.
Step 2:
The clips at both ends of the socket will snap into place when the
memory module is securely inserted.

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Gigabyte GA-870A-UD3 Specifications

General IconGeneral
Memory voltage1.5 V
Memory channelsDual-channel
Number of memory slots4
Supported memory typesDDR3-SDRAM
Maximum internal memory16 GB
Supported memory clock speeds1066, 1333, 1866 MHz
Supported memory module capacities4GB
System bus rate5.2 GT/s
Processor socketSocket AM3
Processor manufacturerAMD
Compatible processor seriesAMD Phenom II X2, AMD Phenom II X4, AMD Phenom II X6
USB 2.0 connectors2
Power fan connectorYes
Number of SATA III connectors6
BIOS typeAWARD
ACPI version1.0b
BIOS memory size16 Mbit
USB 2.0 ports quantity8
VGA (D-Sub) ports quantity0
Audio chipRealtek ALC892
Component forPC
Motherboard chipsetAMD 870 (RX881)
Audio output channels7.1 channels
Motherboard form factorATX
Motherboard southbridgeAMD SB850
Compatible operating systemsWindows 7/ Vista/ XP
RAID levels0, 1, 5, 10, JBOD
Supported storage drive interfacesSATA
On-board graphics card-
Parallel processing technology supportNot supported
PCI slots3
Ethernet interface typeGigabit Ethernet
Weight and Dimensions IconWeight and Dimensions
Depth230 mm
Width305 mm

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