Computer Hardware User Manual
Microprocessor
OneortwoIntel
®
Xeon
®
microprocessors(internalcachesizevariesbymodel)
ForalistoftheThinkServermicroprocessoroptions,goto:
http://www.lenovo.com/thinkserver
Memory
Yourserverhas20memoryslots.Formoreinformation,see“Memorymoduleinstallationrules”onpage75.
Powersupply
Oneortwo800-watthot-swapredundantpowersupplies(Universalinputandcompliantwith80PLUSGold)
Systemfans
Yourservercomeswitheightsystemfanstoprovidepropersystemcoolingandairow.
Internaldrives
Internaldrivesaredevicesthatyourserverusestoreadandstoredata.Theinternaldrivessupported
byyourservervarybymodel.
•Harddiskdrive
–Uptofour3.5-inchhot-swapSerialAdvancedTechnologyAttachment(SATA)harddiskdrives,Serial
AttachedSCSI(SAS)harddiskdrives(SCSIistheacronymforSmallComputerSystemInterface),or
solid-statedrives
–Uptoeight2.5-inchhot-swapSATAharddiskdrives,SASharddiskdrives,orsolid-statedrives
•Opticaldrive
–OneslimSATAopticaldriveinsomemodels
Forthelocationinformationabouttheinternaldrivesordrivebays,see“Servercomponents”onpage25.
Expansionslots
•Tworisercardassemblyslotsonthesystemboard
•OnePCIExpresscardslotontherisercardassembly1
•OnePCIExpresscardslotontherisercardassembly2
Fordetailedinformation,see“Rearviewoftheserver”onpage22
.
Input/Output(I/O)features
•Oneortwovideographicsarray(VGA)DB-15connectors
•Oneserialconnectorontherearpanel
•SixUSB2.0connectors(twoonthefrontpanelandfourontherearpanel)
•ThreeRJ-45Ethernetconnectorsontherearpanel
Forthelocationinformationabouttheconnectors,refertotherelatedtopicsin“Locations”onpage13
.
8ThinkServerRD540UserGuideandHardwareMaintenanceManual










