Lenovo x3650 M4 BD 5466 - Page 42

Table4.SystemboardLEDsdefinition(continued)
LEDnameDescription
StandbypowerLED
WhenthisLEDisflashing,itindicatesthattheserveris
connectedtoanacpowersource.
WhenthisLEDislit,itindicatesthattheserverisdc
poweron.
SystemboarderrorLEDSystem-boardhasfailed.
MicroprocessormismatchLEDWhenthisLEDislit,itindicatesthatmicroprocessor1
isnotinstalled,orthemicroprocessorsdonothavethe
samecachesizeandtype,andclockspeed.
DIMMerrorLEDs
AmemoryDIMMhasfailedorisincorrectlyinstalled.
MicroprocessorerrorLED
Microprocessorhasfailed,ismissing,orhasbeen
incorrectlyinstalled.
LightpathLED
Indicateswhetherornotthelightpathbuttonisfunctional.
IfthelightpathLEDislitafterpressingthelightpath
button,itindicatesthatthelightpathbuttonisfunctioning
properly.Bycontrast,ifthelightpathLEDisnotlitwhen
pressingthelightpathbutton,itmeansthelightpath
buttonisnotfunctioningproperly.
PCIriser-cardadapterexpansionslotconnectors
Thefollowingillustrationshowstherespectiveexpansionslotconnectorsonthethreedifferenttypesof
PCIrisercardassembliesthattheserveriscapableofsupporting.
Note:Thespecificationsofthefollowingslotlabelingisdefinedinthefollowingformat.
PCIe3xaa(b,c,d,e)
where:
•aa=Physicalconnectorlinkwidth
•b,c,d,e=Negotiablelinkwidth
PCIriser-cardassembly1
•Type1
28LenovoSystemx3650M4BDInstallationandServiceGuide