Lenovo System x3550 M5 - Page 43

ThefollowingtabledescribesthefunctionsoftheSW3switchblockonthesystemboard.
Table2.SystemboardSW3switchblockdefinition
SwitchnumberDefaultpositionDescription
1
Off
Reserved.
2
OffPower-onpasswordoverride.Changingthepositionofthisswitch
bypassesthepower-onpasswordcheckthenexttimetheserver
isturnedonandstartstheSetupUtilitysothatyoucanchange
ordeletethepower-onpassword.Youdonothavetomovethe
switchbacktothedefaultpositionafterthepower-onpassword
inoverridden.
Changingthepositionofthisswitchdoesnotaffecttheadministrator
passwordcheckifanadministratorpasswordisset.
Seetheusersecuritysectionin“SetupUtilitymenuchoices”on
page37
foradditionalinformationaboutpasswords.
3
Off
Reserved
4
Off
Reserved
ThefollowingtabledescribesthefunctionsoftheSW11switchblockonthesystemboard.
Table3.SystemboardSW11switchblockdefinition
SwitchnumberDefaultpositionDescription
1
Off
IndicatesaphysicalpresencetothesystemTPM
2
Off
Reserved
Thefollowingtabledescribesthefunctionsofthebuttononthesystemboard.
Table4.Buttonontheserver
ButtonnameFunction
ForceNMIbutton
Thisbuttonisontherearoftheserver.Pressthisbutton
toforceanonmaskableinterrupttothemicroprocessor.
Youmighthavetouseapenortheendofastraightened
papercliptopressthebutton.Youcanalsouseittoforce
ablue-screenmemorydump(usethisbuttononlywhen
youaredirectedtodosobyLenovoSupport).
System-boardLEDs
Thefollowingillustrationshowsthelight-emittingdiodes(LEDs)onthesystemboard.
Chapter1.TheLenovoSystemx3550M5server29