User's Manual

ASUS A320M-C

1-9

System memory

Overview

ThismotherboardcomeswithtwoDoubleDataRate4(DDR4)DualInlineMemoryModule

(DIMM)sockets.ADDR4moduleisnotcheddifferentlyfromaDDR,DDR2,orDDR3module.

DONOTinstallaDDR,DDR2,orDDR3memorymoduletotheDDR4slot.

Channel Sockets

ChannelA DIMM_A1

ChannelB DIMM_B1

• YoumayinstallvaryingmemorysizesinChannelAandChannelB.Thesystem

mapsthetotalsizeofthelower-sizedchannelforthedual-channelconguration.Any

excessmemoryfromthehigher-sizedchannelisthenmappedforsingle-channel

operation.

• AlwaysinstalltheDIMMSwiththesameCASLatency.Foranoptimumcompatibility,

werecommendthatyouinstallmemorymodulesofthesameversionordatacode

(D/C)fromthesamevendor.Checkwiththevendortogetthecorrectmemory

modules.

• Duetothememoryaddresslimitationon32-bitWindows

OS,whenyouinstall4GB

ormorememoryonthemotherboard,theactualusablememoryfortheOScanbe

about3GBorless.Foreffectiveuseofmemory,werecommendthatyoudoanyofthe

following:

- Useamaximumof3GBsystemmemoryifyouareusinga32-bitWindows

OS.

 - Installa64-bitWindows

OSifyouwanttoinstall4GBormoreonthe

motherboard.

 - Formoredetails,refertotheMicrosoft

supportsiteathttp://support.microsoft.

com/kb/929605/en-us.

• ThismotherboarddoesnotsupportDIMMsmadeupof512Mb(64MB)chipsorless.

VisittheASUSwebsiteatwww.asus.comforthelatestQVL.

DIMM_A1

DIMM_B1

Installing a DIMM

To remove a DIMM