Asus TUF Z390M-PRO GAMING [20/86] Chapter 1

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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.

• 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(4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.

• 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.

• 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.

• VisittheASUSwebsiteforthelatestQVL.

Memory congurations

Youmayinstall2GB,4GB,8GBand16GBunbufferedandnon-ECCDDR4DIMMsinto

theDIMMsockets.