User Guide

2-9
ASUS ESC700 G3
• YoumayinstallvaryingmemorysizesinChannelA,ChannelB,ChannelC,and
Channel D. 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.
• AccordingtoIntel
®
CPUspec,DIMMvoltagebelow1.65Visrecommendedtoprotect
the CPU.
• 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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.Tooperateatthevendor-marked
oratahigherfrequency,refertosection4.5 Ai Tweaker menu for manual memory
frequencyadjustment.
• Forsystemstability,useamoreefcientmemorycoolingsystemtosupportafull
memoryload(8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 configurations
Youmayinstall2GB,4GBand8GBunbufferedandnon-ECCDDR4DIMMsintotheDIMM
sockets.