3Heatsink9WiFicar dmodule
4Microprocessor10Battery
5Coverpresenceswitch(Intrusionswitch)11Internalspeaker
6Memorymodule(s)12Harddiskdriveorsolid-statedrive
Locatingpartsonthesystemboard

Figure4“Systemboardpartlocations”onpage12showsthelocationsofthepartsonthesystemboard.

Figure4.Systemboardpartlocations
1Internalspeakerconnector8Systemfanconnector
2Powerswitchboardcableconnector9Battery
3MiniPCIExpresscardslot10ClearCMOS(ComplementaryMetalOxideSemiconductor)
/Recoveryjumper
4Harddiskdrivepowerconnector11Microprocessor
5SATAconnector12Coverpresenceswitchconnector(Intrusionswitch
connector)
6OptionalUSBconnector13Memoryslots(2)
7Serial(COM1)connector
12ThinkCentreUserGuide