User Manual

ASUS B250 MINING EXPERT
1-7
System memory
Overview
ThismotherboardcomeswithtwoDoubleDataRate4(DDR4)DualInlineMemoryModule
(DIMM)sockets.ADDR4moduleisnotcheddifferentlyfromaDDR,DDR2,orDDR3module.
DONOTinstallaDDR,DDR2,orDDR3memorymoduletotheDDR4slot.
• 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.
• 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.
• AccordingtoIntel
®
CPUspec,DIMMvoltagebelow1.4Visrecommendedtoprotect
theCPU.
• DuetoIntel
®
chipsetlimitation,DDR42400MHzmemoryfrequencyisonlysupported
by7thGenerationIntel
®
processors.Highermemorymoduleswillrunatthemaximum
transferrateofDDR42400MHz.
• DuetoIntel
®
chipsetlimitation,DDR42133MHzandhighermemorymoduleson6th
GenerationIntel
®
processorswillrunatthemaximumtransferrateofDDR42133MHz.
• Memorymoduleswithmemoryfrequencyhigherthan2133/2400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.
• Tomakeyourbuildmorestable,whenusing8ormoreminingcards,werecommend
thatyouinstall4GBmemorymodulesandchangethesizeofthevirtualmemory
pagingleto20GB.
• 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).
• Refertowww.asus.comforthelatestMemoryQVL(QualiedVendorsList)
Channel Sockets
ChannelA DIMM_A1
ChannelB DIMM_B1
DIMM_A1
DIMM_B1