ThefollowingtabledescribesthefunctionsoftheSW6switchblockonthesystemboard.
Table3.SystemboardSW6switchblockdefinition
SwitchnumberDefaultpositionDescription
1
Off
Reserved.
2
OffPower-onpasswordoverride.Changingthepositionofthisswitch
bypassesthepower-onpasswordcheckthenexttimetheserver
isturnedonandstartstheSetuputilitysothatyoucanchange
ordeletethepower-onpassword.Youdonothavetomovethe
switchbacktothedefaultpositionafterthepower-onpassword
inoverridden.
Changingthepositionofthisswitchdoesnotaffecttheadministrator
passwordcheckifanadministratorpasswordisset.
See“Passwords”onpage51
foradditionalinformationabout
passwords.
3
Off
Reserved.
4
Off
Reserved.
5
Off
Reserved.
6
Off
Reserved.
Important:
1.Beforeyouchangeanyswitchsettingsormoveanyjumpers,turnofftheserver;then,disconnectall
powercordsandexternalcables.Reviewtheinformationin“Safety”onpagev
,“Installationguidelines”
onpage289,“Handlingstatic-sensitivedevices”onpage291,and“Turningofftheserver”onpage40.
2.Anysystem-boardswitchorjumperblockthatisnotshownintheillustrationsinthisdocumentare
reserved.
Thefollowingtabledescribesthefunctionsofthebuttononthesystemboard.
Table4.Buttonontheserver
ButtonnameFunction
ForceNMIbutton
Thisbuttonisontherearoftheserver.Pressthisbutton
toforceanonmaskableinterrupttothemicroprocessor.
Youmighthavetouseapenortheendofastraightened
papercliptopressthebutton.Youcanalsouseittoforce
ablue-screenmemorydump(usethisbuttononlywhen
youaredirectedtodosobyLenovoSupport).
System-boardLEDs
Thefollowingillustrationshowsthelight-emittingdiodes(LEDs)onthesystemboard.
32LenovoSystemx3650M5InstallationandServiceGuide