•Theredundantpowersupplymodelscansupportuptoeight2.5-inchhot-swaporsimple-swaphard
diskdrives.
•Theelectromagneticinterference(EMI)integrityandcoolingoftheserverareprotectedbyhavingallbays
andPCIandPCIExpressslotscoveredoroccupied.Whenyouinstalladrive,PCI,orPCIExpress
adapter,savetheEMCshieldandfillerpanelfromthebayorPCIadapterorPCIExpressadapterslot
coverintheeventthatyoulaterremovethedevice.
•Foracompletelistofsupportedoptionaldevicesfortheserver,seehttp://www.lenovo.com/
serverproven/.
Installingahot-swapharddiskdrive
Usethisinformationtoinstallahot-swapharddiskdrive.
Readthesafetyinformationin“Safety”onpagevand“Installationguidelines”onpage33.
Ifyouareinstallinganoptionaldeviceintheserver,turnofftheserverandperipheraldevices,anddisconnect
thepowercordsandallexternalcables.
Toinstallahot-swapSASorSATAharddiskdrive,completethefollowingsteps:
Note:Ifyouhaveonlyoneharddiskdrive,youmustinstallitintheleftdrivebay.
Attention:Toavoiddamagetotheharddiskdriveconnectors,makesurethattheservercoverisinplace
andfullyclosedwheneveryouinstallorremoveaharddiskdrive.
Step1.Removethefillerpanelfromtheemptydrivebay.Keepthefillerpanelinasafeplace.
Step2.Touchthestatic-protectivepackagethatcontainsthedrivetoanyunpaintedmetalsurfaceonthe
server;then,removethedrivefromthepackageandplaceitonastatic-protectivesurface.
Step3.Installtheharddiskdriveinthedrivebay:
a.Makesurethatthetrayhandleisintheopen(unlocked)position.
b.Alignthedrivewiththeguiderailsinthebay.
000000000
000000000
000000000
Filler panel
Hard disk
drive assembly
SAS hard disk
drive back plane
Figure11.Hot-swapharddiskdriveinstallation
c.Gentlypushthedriveintothebayuntilthedrivestops.
40LenovoSystemx3250M4InstallationandServiceGuide