15Rear-backplanesignalconnector
Usedtoconnectthesignalcablefromeitherofthefollowinghardwarecomponents:
•Rearbackplaneforuptotwo2.5-inchdrives(availableonsomemodels)
•M.2storagemodule(availableonsomemodels)
16Risercardassembly2slot
Usedtoinstalltherisercardassembly2.
19Rear-backplanepowerconnector
Usedtoconnecttothe4-pinpowerconnectorontherearbackplane.
20Front-backplanepowerconnector
Usedtoconnecttothe10-pinpowerconnectoronthefrontbackplane.
21Intrusionswitchconnector
Usedtoconnecttoanintrusionswitch.
22Serial-port-moduleconnector
Usedtoconnecttheserialportmodule(whichisavailableonsomemodels).
23Power-distribution-boardconnector
Usedtoconnectthepowerdistributionboard.
242628303234Systemfanconnector
Usedtoconnectasystemfan.
25293135Memoryslots
Thereare24memoryslotsonthesystemboard.Fordetailedinformation,see“Memorymoduleinstallation
rules”onpage85.
27Microprocessor2socket
33Microprocessor1socket
Iftheserverhastwomicroprocessors,eachofthemicroprocessorissecuredinthemicroprocessorsocket
onthesystemboardandaheatsinkisinstalledabovethemicroprocessortoprovidecooling.Iftheserver
hasonlyonemicroprocessor,themicroprocessorsocket2isprotectedbyamicroprocessorsocketcover.
Chapter3.Productoverview51