Computer Hardware User Manual

Locatingpartsonthesystemboard
Figure4“Systemboardpartslocations”onpage77showsthelocationsofthepartsonthesystemboard.
Figure4.Systemboardpartslocations
14-pinpowerconnector
15eSATAconnector
2Microprocessor
16Powerfanconnector
3Microprocessorfanconnector
17Frontpanelconnector(forconnectingpowerswitchand
LEDindicators)
4Memoryslot1(DIMM1)18FrontUSBconnector1(forconnectingUSBport1and2
onthefrontbezel)
5Memoryslot2(DIMM2)19FrontUSBconnector2(forconnectingadditionalUSB
devices)
6Memoryslot3(DIMM3)20Serial(COM2)connector
7Memoryslot4(DIMM4)
21Internalspeakerconnector
8Thermalsensorconnector22Frontaudioconnector
924-pinpowerconnector
23PCIcardslots(2)
10Battery
24PCIExpressx1cardslot
11ClearCMOS(ComplementaryMetalOxide
Semiconductor)/Recoveryjumper
25PCIExpressx16graphicscardslot
12Parallelconnector
26Systemfanconnector
13SATAconnectors1and2(SATA3.0connectors)27Coverpresenceswitchconnector(Intrusionswitch
connector)
14SATAconnector3(SATA2.0connector)28PS/2keyboardandmouseconnector
Chapter8.ReplacingFRUs(MachineTypes:4468,4473,4476,4479,4495,4497,4499,4504,4513,4517,4524,
7021,7032,7034,7049,7052,7053,7073,7136,and7178.)77