Lenovo ThinkServer RD450 - Core Components Replacement

7.Notetheorientationofthesystemfancage.Aligntheleftandrightsidesofthesystemfancagewith
thecorrespondingmountingpostsinthechassis.Then,pressthesystemfancagestraightdowninto
thechassisuntilthecagesnapsintoposition.
Figure41.Installingthesystemfancage
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletethereplacement,goto“Completingthepartsreplacement”onpage178
.
Installingorremovingamemorymodule
Thistopicprovidesinstructionsonhowtoinstallorremoveamemorymodule.
Note:ThememorymodulesareextremelysensitivetoESD.Ensurethatyoureadandunderstand“Handling
static-sensitivedevices”onpage64firstandcarefullyperformtheoperation.
Memorymoduleinstallationrules
Yourserverhas16memoryslotsandithasthefollowingfeatures:
•Eachslotsupports4GB,8GB,16GB,and32GBdoubledatarate4registereddualinlinememory
modules(DDR4RDIMMs)withErrorCheckingandCorrecting(ECC)technology.
•Eachslotsupports32GBand64GBdoubledatarate4loadreductiondualinlinememorymodules
(DDR4LRDIMMs)withErrorCheckingandCorrecting(ECC)technology.
•Yourserversupportsupto8memorymoduleswhenonemicroprocessorisinstalled,orupto16memory
moduleswhentwomicroprocessorsareinstalled.
•Theminimumsystemmemoryis4GB(onlyonemicroprocessorinstalledandonlyone4GBRDIMM
installedintheCPU1DIMMA1slot).
•Themaximumsystemmemoryis1024GB(twomicroprocessorsinstalledandone64GBLRDIMM
installedineachofthe16memoryslots).
74ThinkServerRD450UserGuideandHardwareMaintenanceManual