ThefollowingillustrationshowstheLEDsonthesystemboard.
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
Figure29.SystemboarderrorLEDs
Someeight2.5-inchservermodelscomewithanLCDoperatingpanelassembly.TheLCDoperatingpanel
assemblydisplaysacurrentlistoferrorsreportedbythesystemandotherinformation.Seethe“LCD
operatingpanelassembly”onpage19formoreinformationabouttheLCDoperatingpanelassembly.
Note:TheLCDoperatingpanelassemblyisonlyavailableontheeight2.5-inchservermodelswiththe
advancedmediacage.
Power-supplyLEDs
Usethisinformationtoviewpower-supplyLEDs.
Thefollowingminimumconfigurationisrequiredfortheservertostart:
•Onemicroprocessorinthemicroprocessorsocket1
•One8GBDIMMonthesystemboard
•Onepowersupply
•Powercord
•Fivefans
acpower-supplyLEDs
Usethisinformationtoviewacpower-supplyLEDs.
60LenovoSystemx3550M5InstallationandServiceGuide
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