Lenovo ThinkServer TS440 70AL - Page 55

25ClearCMOS(ComplementaryMetalOxideSemiconductor)jumper
UsedtoclearCMOSandturntheBIOSsettingsintothefactorydefaultsettings.
Note:ClearingCMOSdoesnoteraseyourBIOSpasswords.
Ajumperisashortlengthofconductorusedtosetuporadjustaprintedcircuitboard,suchasthesystem
boardofacomputer.Ajumperusuallyisencasedinanon-conductiveblockofplasticforconvenientuse
andtoavoidanypossibledamagetoalivecircuit.Jumperpinsarrangedingroupsonthesystemboardare
calledjumperblocks.Whentwoormorejumperpinsarecappedwithajumper,anelectricalconnectionis
madebetweenthemandtheequipmentisthusinstructedtoactivatecertainsettingsaccordingly.
ToclearCMOS,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandtheserver.Then,disconnectall
powercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtotheserver.
2.Removetheservercover.See“Removingtheservercover”onpage67.
3.Laytheserveronitssideforeasieroperation.
4.LocatetheClearCMOSjumperonthesystemboard.
5.MovetheClearCMOSjumperfromthedefaultnormalposition(pin1andpin2)totheshort-circuited
position(pin2andpin3).
6.Reconnecttheservertoanacpowersourceandturnontheserver.Then,waitmorethan10seconds.
7.Whenyouhearbeeps,turnofftheserver.Then,movetheClearCMOSjumperbacktothenormal
position(pin1andpin2).
8.Reinstalltheservercoverandconnectthepowercords.See“Completingthepartsreplacement”on
page163.
9.Connecttheservertoanacpowersourceandturnontheserver.TheclearingCMOSprocessis
completed.
26ManagementEngine(ME)disablejumper
UsethisjumpertodisabletheME.
TodisabletheME,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandtheserver.Then,disconnectall
powercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtotheserver.
2.Removetheservercover.See“Removingtheservercover”onpage67.
3.Laytheserveronitssideforeasieroperation.
4.LocatetheMEdisablejumperonthesystemboard,andthenensurethatthejumperisencasedina
non-conductiveblockofplastic.
5.Reinstalltheservercoverandconnectthepowercords.See“Completingthepartsreplacement”on
page163
.
6.Connecttheservertoanacpowersource.Then,turnontheserver.TheMEhasbeendisabled.
27Serialconnector
Usedtoprovideanoptionalserialconnectorsolutionwitharequiredcable.
28PCIcardslot(PCIslot4)
Usedtoinstallastandard32-bit33-MHzPCIcardwith167mm(6.57inches)inlength.
Chapter3.Productoverview43