Computer Hardware User Manual
Figure4.Systemboardpartlocations
1Battery
8SATAconnectors(2)
2Thermalsensorconnector
9FrontUSBconnector2
3ClearCMOS(ComplementaryMetalOxide
Semiconductor)/Recoveryjumper
10Frontaudioconnector
4Serial(COM)connector11Systemfanconnector
5Frontpanelconnector12Internalpowerdistributionconnector
6FrontUSBconnector1
13Microprocessor
7Memoryslots(2)
Removingthecomputercover
Attention
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.ToobtainacopyoftheThinkCentre
SafetyandWarrantyGuide,goto:http://www.lenovo.com/support
Thissectionprovidesinstructionsonhowtoremovethecomputercover.
CAUTION:
Turnoffthecomputerandwaitthreetoveminutestoletthecomputercoolbefore
removingthecomputercover.
Toremovethecomputercover,dothefollowing:
68HardwareMaintenanceManual