Gigabyte GA-F2A78M-D3H (rev. 3.0) User Manual download pdf (Page 16)

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Hardware Installation

1-4 Installing the Memory

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 direction.

If you are unable to insert the memory, switch the direction.

DualChannelMemoryCongurationsTable:

(SS=Single-Sided,DS=Double-Sided,"--"=NoMemory)

DDR3_4

DDR3_2

DDR3_3

DDR3_1

1-4-1 DualChannelMemoryConguration

This motherboard provides four 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.Enabling

Dual Channel memory mode will double the original memory bandwidth.

The four DDR3 memory sockets are divided into two channels and each channel has two memory sockets as

following:

Channel A: DDR3_2, DDR3_4

Channel B: DDR3_1, DDR3_3

DDR3_4 DDR3_2 DDR3_3 DDR3_1

Two Modules - - DS/SS - - DS/SS

DS/SS - - DS/SS - -

Four Modules DS/SS DS/SS DS/SS DS/SS

Due to APU limitations, read the following guidelines before installing the memory in Dual Channel mode.

1. Dual Channel mode cannot be enabled if only one DDR3 memory module is installed.

2. WhenenablingDualChannelmodewithtwoorfourmemorymodules,itisrecommendedthatmemory

of the same capacity, brand, speed, and chips be used. For optimum performance, when enabling

Dual Channel mode with two memory modules, we recommend that you install them in the DDR3_1

and DDR3_2 sockets.

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Gigabyte GA-F2A78M-D3H (rev. 3.0) User Manual Page 16