Asus MAXIMUS IX APEX User Manual

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.
 ThismotherboarddoesnotsupportDIMMsmadeupof512Mb(64MB)chipsorless
(MemorychipcapacitycountsinMegabit,8Megabit/Mb=1Megabyte/MB).
 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.
 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.
Memory configurations
Youmayinstall2GB,4GB,8GB,and16GBunbufferedandnon-ECCDDR4DIMMsinto
theDIMMsockets.

Asus MAXIMUS IX APEX Specifications

General

Brand	Asus
Model	MAXIMUS IX APEX
Category	Motherboard
Language	English