Lenovo ThinkStation C20 - Installing or Replacing Major Components

Figure5“Systemboardpartandconnectorlocations”onpage11showsthelocationsofthepartsand
connectorsontheothertypeofsystemboard.
Figure5.Systemboardpartandconnectorlocations
1CPU1memoryslots(3)18ClearComplementaryMetalOxideSemiconductor
(CMOS)/Recoveryjumper
2CPU1memoryfanconnector
19Thermalsensorconnector
3Microprocessor2
20Coverpresenceswitchconnector
4CPU212Vpowerconnector21PS/2keyboardandmouseconnector
524-pinpowerconnector22Internalspeakerconnector
6CPU2fanconnector
23Frontaudioconnector
7CPU2memoryfanconnector24PCIcardslot
8CPU2memoryslots(3)25PCIExpressx4cardslot(x16mechanical)
9PowerswitchandLEDsconnector
26PCIExpressx16cardslot
10AuxiliaryLEDconnector
27PCIcardslot
11Rightrearfanconnector
28PCIExpressx16cardslot
12Frontfanconnector
29PCIExpressx1cardslot
13Cardreaderconnector
30Auxiliary12Vpowerconnector
14FrontUSBconnector
31Leftrearfanconnector
15CPU112Vpowerconnector32CPU1fanconnector
Chapter1.Productoverview11