Lenovo System x3500 M5 Type 5464 - System-Board Leds and Controls

Table5.SystemboardSW2switchblockdefinition(continued)
SwitchnumberSwitchnameDefaultpositionDescription
2.Changingthepositionofthisswitchdoesnot
affecttheadministratorpasswordcheckifan
administratorpasswordisset.
3
CMOSclearOffClearsCMOSmemorywhenon.
4
SystemTPM
physicalpresence
Off
IndicatesaphysicalpresencetothesystemTPM
whenon.
Notes:
1.Beforeyouchangeanyswitchsettingsormoveanyjumpers,turnofftheserver.Reviewtheinformation
in“Safety”onpagev
,“Installationguidelines”onpage29,“Handlingstatic-sensitivedevices”on
page31,and“Turningofftheserver”onpage21.
2.Anysystem-boardswitchorjumperblockthatisnotshownintheillustrationsinthisdocumentare
reserved.
System-boardLEDsandcontrols
Thefollowingillustrationshowsthelight-emittingdiodes(LEDs)onthesystemboard.
AnyerrorLEDcanbelitafteracpowerhasbeenremovedfromthesystem-boardtraysothatyoucan
isolateaproblem.Afteracpowerhasbeenremovedfromthesystem-boardtray,powerremainsavailable
totheseLEDsforupto90seconds.ToviewtheerrorLEDs,pressandholdthelightpathbuttononthe
systemboardtolighttheerrorLEDs.TheerrorLEDsthatwerelitwhilethesystem-boardtraywasrunning
willbelitagainwhilethebuttonispressed.
ThefollowingillustrationshowstheLEDsandcontrolsonthesystemboard.
28Systemx3500M5InstallationandServiceGuide