Asus ROG STRIX Z270I Gaming [20/95] Chapter 1

Asus ROG STRIX Z270I Gaming [20/95] Chapter 1
1-6
Chapter 1: Product Introduction
Chapter 1
• 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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:
a) Useamaximumof3GBsystemmemoryifyouareusinga32-bitWindows
®
OS.
b) Installa64-bitWindows
®
OSwhenyouwanttoinstall4GBormoreonthe
motherboard.
c) Formoredetails,refertotheMicrosoft
®
support site at http://support.microsoft.
com/kb/929605/en-us.
• ThedesignoftheDIMMfanmayvary.EnsurethattheDIMMfantstothe
motherboard
• ThedefaultmemoryoperationfrequencyisdependentonitsSerialPresenceDetect
(SPD),whichisthestandardwayofaccessinginformationfromamemorymodule.
Underthedefaultstate,somememorymodulesforoverclockingmayoperateata
lowerfrequencythanthevendor-markedvalue.
• Forsystemstability,useamoreefcientmemorycoolingsystemtosupportafull
memoryload(2DIMMs)oroverclockingcondition.
• Memorymoduleswithmemoryfrequencyhigherthan2133MHzandtheir
correspondingtimingortheloadedXMPproleisnottheJEDECmemorystandard.
ThestabilityandcompatibilityofthememorymodulesdependontheCPU’s
capabilitiesandotherinstalleddevices.
• 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.
• ASUSexclusivelyprovideshyperDIMMsupportfunction.
• HyperDIMMsupportissubjecttothephysicalcharacteristicsofindividualCPUs.Load
theX.M.P.orD.O.C.P.settingsintheBIOSforthehyperDIMMsupport.
• VisittheASUSwebsiteforthelatestQVL.
Memory congurations
Youmayinstall1GB,2GB,4GB,8GBand16GBunbufferedandnon-ECCDDR4DIMMs
intotheDIMMsockets.

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