Lenovo ThinkServer TD350 70DG - Page 131

8.Ifyouareinstructedtoreturntheoldintrusionswitch,followallpackaginginstructionsanduseany
packagingmaterialsthataresuppliedtoyouforshipping.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheremovalprocedure,goto“Completingthepartsreplacement”onpage175
.
Installingorreplacingadeviceinanopticaldrivebay
Attention:Donotopenyourserverorattemptanyrepairbeforereadingandunderstanding“Safetyinformation”
onpageiiiand“Guidelines”onpage67.
TheEMIintegrityandcoolingoftheserverareprotectedbyhavingalldrivebayscoveredoroccupied.Your
serverhastwooptical-drivebays.Ifonlyoneopticaldriveisinstalledinthelowerbay,theupperbayis
coveredbyaprotectiveshield.Whenyouinstallasecondaryopticaldrive,savetheremovedprotective
shieldintheeventthatyoulaterremovethedriveandneedtheprotectiveshieldtocoverthedrivebay.
Attention:AnunoccupieddrivebaywithoutanyotherprotectionmightimpacttheEMIintegrityandcooling
oftheserver,whichmightresultinoverheatingorcomponentdamage.TomaintaintheEMIintegrityand
coolingoftheserver,installanewopticaldriveassoonasyouremovethefailingoneortheprotectiveshield.
CAUTION:
Whenlaserproducts(suchasCD-ROMs,DVDdrives,fiberopticdevices,ortransmitters)are
installed,notethefollowing:
•Donotremovethecovers.Removingthecoversofthelaserproductcouldresultinexposureto
hazardouslaserradiation.Therearenoserviceablepartsinsidethedevice.
•Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespecifiedherein
mightresultinhazardousradiationexposure.
DANGER
SomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing:
Laserradiationwhenopen.Donotstareintothebeam,donotviewdirectlywithoptical
instruments,andavoiddirectexposuretothebeam.
Beforeyoubegin,reviewthefollowingopticaldriveinstallationrules:
•Theserverhastwooptical-drivebays.Ifyourserverhasonlyoneopticaldriveinstalled,ensurethatthe
opticaldriveisinstalledinthelowerbay(optical-drivebay1).Theupperbayisforasecondaryoptical
drive.
•Thefollowingtableprovidesinformationabouttherecommendedpowerconnectorandsignalconnector
onthesystemboardfortheinstalledopticaldrive.Tolocatetheconnectorsonthesystemboard,see
“Systemboardcomponents”onpage44
.
DrivebayDrivePowerconnector
Signalconnector
Optical-drivebay1(lower
bay)
Anopticaldriveinstalled
Optical-drive
powerconnector
Optical-drive1signalconnector
Optical-drivebay2(upper
bay)
Anopticaldriveinstalledin
somemodels
Optical-drive
powerconnector
Optical-drive2signalconnector
Chapter6.Replacinghardware117