Lenovo ThinkCentre M91p - Locating Parts on the System Board

Locatingpartsonthesystemboard
Figure4“Systemboardpartslocations”onpage12showsthelocationsofthepartsonthesystemboard.
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
12ThinkCentreUserGuide