Asus H81M-P Specifications download pdf (Page 15)

ASUS H81M-P

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1.4 System memory

1.4.1 Overview

ThismotherboardcomeswithtwoDoubleDataRate3(DDR3)DualInlineMemoryModule

(DIMM)sockets.ADDR3moduleisnotcheddifferentlyfromaDDRorDDR2module.DO

NOTinstallaDDRorDDR2memorymoduletotheDDR3slot.

Channel Sockets

ChannelA DIMM_A1

ChannelB DIMM_B1

H81M-P

H81M-P 240-pin DDR3 DIMM sockets

DIMM_A1

DIMM_B1

1.4.2 Memorycongurations

Youmayinstall1GB,2GB,4GB,and8GBunbufferednon-ECCDDR3DIMMsintotheDIMM

sockets.

• 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.

• DuetoIntel

chipsetlimitations,DDR31600MHzandhighermemorymoduleson

XMPmodewillrunatthemaximumtransferrateofDDR31600MHz.

• AlwaysinstallDIMMswiththesameCASlatency.Foroptimalcompatibility,we

recommendthatyouinstallmemorymodulesofthesameversionordatecode(D/C)

fromthesamevendor.Checkwiththeretailer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3GB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.

• ThismotherboarddoesnotsupportDIMMsmadeupof512megabits(Mb)chipsor

less.

• Memorymoduleswithmemoryfrequencyhigherthan2133MHzanditscorresponding

timingortheloadedX.M.P.ProleisnottheJEDECmemorystandard.Thestability

andcompatibilityofthesememorymodulesdependontheCPU’scapabilitiesand

otherinstalleddevices.

• Themaximum16GBmemorycapacitycanbesupportedwith8GBoraboveDIMMs.

ASUSwillupdatethememoryQVLoncetheDIMMsareavailableinthemarket.

AccordingtoIntel

CPUspec,DIMMvoltagebelow1.65Visrecommendedtoprotectthe

CPU.

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Asus H81M-P Specifications Page 15

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