Figure4“Systemboardpartlocations”onpage12showsthelocationsofthepartsononetypeofsystemboard.
Figure4.Systemboardpartlocations
14-pinpowerconnector12SATAconnectors(3)
2Microprocessor13FrontUSBconnector2(forconnectinganadditionalUSB
device)
3Microprocessorfanconnector14ClearCMOS(ComplementaryMetalOxideSemiconductor)
/Recoveryjumper
4Memoryslot1(DIMM1)15Battery
5Memoryslot2(DIMM2)16Coverpresenceswitchconnector(Intrusionswitch
connector)
6Thermalsensorconnect or17Serial(COM2)connector
724-pinpowerconnector18Frontaudioconnector
8Powerfanconnector19Internalspeakerconnect or
9Parallelconnector20PCIExpr essx1cardslots(2)
10Frontpanelconnector(forconnectingLED
indicatorsandthepowerswitch)
21PCIExpressx16graphicscardslot
11FrontUSBconnector1(forconnectingUSB
connectors1and2onthefrontbezel)
22Systemfanconnector
12ThinkCentreUserGuide