Lenovo System x3550 M5 - Server Power Features

System
error
LED
System
locator
LED
Power
LED
DIMM 19-24
error LEDs
DIMM 7-18
error LEDs
DIMM 1- 6
error LEDs
Coin-cell-battery
error LED
IMM2
heartbeat
LED
ServeRAID error LED
Microprocessor 1
error LED
Microprocessor 2
error LED
Fan 1
error LED
Fan 2
error LED
Fan 3
error LED
Fan 5
error LED
Fan 6
error LED
Fan 7
error LED
Fan 8
error LED
Figure28.System-boardLEDs
Serverpowerfeatures
Whentheserverisconnectedtoanacpowersourcebutisnotturnedon,theoperatingsystemdoesnot
run,andallcorelogicexceptfortheintegratedmanagementmoduleisshutdown.
However,theservercanrespondtorequestsfromIMM,suchasaremoterequesttoturnontheserver.The
power-onLEDflashestoindicatethattheserverisconnectedtoanacpowersourcebutisnotturnedon.
Turningontheserver
Usethisinformationtoturnontheserver.
Approximatelyfivesecondsaftertheserverisconnectedtopower,oneormorefansmightstartrunning
toprovidecoolingwhiletheserverisconnectedtopowerandthepower-onbuttonLEDwillblinkquickly.
Approximately20secondsaftertheserverisconnectedtopower,thepower-controlbuttonbecomesactive
(thepower-onLEDwillblinkslowly),andoneormorefansmightstartrunningtoprovidecoolingwhilethe
serverisconnectedtopower.Youcanturnontheserverbypressingthepower-controlbutton.
30LenovoSystemx3550M5InstallationandServiceGuide