1Powersupply1
2Powersupply2(availableonsomemodels)
Thehot-swapredundantpowersupplieshelpyouavoidsignificantinterruptiontotheoperationofthe
systemwhenapowersupplyfails.YoucanpurchaseapowersupplyoptionfromLenovoandinstallthe
powersupplytoprovidepowerredundancywithoutturningofftheserver.
Oneachpowersupply,therearethreestatusLEDsnearthepowercordconnector.Forinformationabout
thestatusLEDs,see“PowersupplystatusLEDs”onpage47.
3PCIeslotsonthesystemboard
Slot
PhysicallinkwidthNegotiablelinkwidth
Supportedcardlengthandheight
3PCIeslot6
x16x8,x4,x2,x1
Low-profilecard
456PCIeslotsonrisercardassembly2
Slot
PhysicallinkwidthNegotiablelinkwidth
Supportedcardlengthandheight
4PCIeslot3
x16x8,x4,x2,x1
Low-profilecard
5PCIeslot4
x16x8,x4,x2,x1
Low-profilecard
6PCIeslot5
x16x8,x4,x2,x1
Low-profilecard
78PCIeslotsonrisercardassembly1
Slot
PhysicallinkwidthNegotiablelinkwidth
Supportedcardlengthandheight
7PCIeslot1
x16x8,x4,x2,x1
Half-length,full-heightcard
8PCIeslot2
x16x8,x4,x2,x1
Half-length,full-heightcard
Note:Ifyourserverisinstalledwithonlyonemicroprocessor,onlyPCIeslots1and2areavailable.
9SystemIDLED
WhenyoupresstheIDbuttononthefrontpanel,theIDLEDsonboththefrontandrearoftheserverare
littohelpyoulocatetheserveramongotherservers.YoualsocanturnontheIDLEDsusingaremote
managementprogramforserverpresencedetection.
StatusColor
Description
On
Blue
Theserverisidentified.
Off
None
TheIDLEDisnotinuseortheserverisnotidentified.
10USB3.0connectors(2)
UsedtoattachadevicethatrequiresaUSB2.0or3.0connection,suchasakeyboard,amouse,ascanner,
aprinter,orapersonaldigitalassistant(PDA).
24ThinkServerRD450UserGuideandHardwareMaintenanceManual