Personal Computer User Manual

4FrontaudioandUSBassembly
9Powersupplyassembly
5PCIcard(installedinsomemodels)
Locatingpartsonthesystemboard
Figure4“Systemboardpartslocations”onpage10showsthelocationsofthepartsonthesystemboard.
Figure4.Systemboardpartslocations
14-pinpowerconnector15Frontpanelconnector
2Microprocessor
16ClearCMOS(ComplementaryMetalOxideSemiconductor)
/Recoveryjumper
3Microprocessorfanconnector
17FrontUSBconnectors(2)
4Memoryslot2
18Serial(COM2)connector
5Memoryslot119Frontaudioconnector
6Memoryslot420Internalspeakerconnector
7Memoryslot3
21PCIcardslots(2)
8Thermalsensorconnector
22PCIExpressx1cardslot
924-pinpowerconnector
23PCIExpressx16graphicscardslot
10Diskettedriveconnector
24Systemfanconnector
11Parallelconnector
25Coverpresenceswitchconnector(Intrusionswitch
connector)
12SATAconnectors(3)
26Battery
10ThinkCentreUserGuide