Lenovo 9134, 9136, 9127, 9129, 9120 manual Identifying parts on the system board

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Identifying parts on the system board

Figure 4 shows the location of parts on the system board.

Figure 4. Component locations
1	Microprocessor fan connector	14	Front USB connectors (2)
2	Microprocessor and heat sink	15	Battery
3	Memory connector 1	16	Clear CMOS/Recovery jumper
4	Memory connector 2	17	Serial (COM) connector
5	Memory connector 3	18	PCI adapter connectors (2)
6	Memory connector 4	19	Mono (speaker) connector
7	Cover presence switch connector	20	Front audio connector
8	Diskette drive connector	21	CD-IN connector
9	IDE connector	22	PCI Express x16 graphics adapter
			connector
10	Power connector	23	PCI Express x1 adapter connector
11	Power fan connector	24	System fan connector
12	SATA IDE connectors (4)	25	12 V power connector
13	Front panel connector

Chapter 2. Overview 9

Image 17

Contents ThinkCentre Hardware Installation and Replacement Guide Page ThinkCentre Hardware Installation and Replacement Guide Page Contents Iv Hardware Installation and Replacement Guide Figures Vi Hardware Installation and Replacement Guide Important safety information Hardware Installation and Replacement Guide Additional information resources OverviewHandling static-sensitive devices Locations Controls and connectorsConnector locations Locating connectors on the rear of your computerConnector Description Component locations Locating componentsShows the location of parts on the system board Identifying parts on the system boardHardware Installation and Replacement Guide Removing the cover Installing options and replacing hardwareInstalling external options Removing the computer cover Removing and replacing the front bezelRemoving the front bezel Installing memory Installing internal optionsWhat to do next Installing PCI adaptersOpening the adapter latch Closing the adapter latch Drive specifications Installing internal drivesInstalling a drive in bay 1 or bay Locating the spare retainer bracket Connecting a parallel ATA drive Connecting drivesConnecting a serial ATA drive Removing the battery Replacing the batteryRemoving the power supply screws Replacing the power supply assemblyRemoving the heat sink Replacing the heat sinkReplacing a hard disk drive Installing the new heat sinkRemoving the hard disk drive Installing the hard disk drive into bracket Replacing an optical drive Installing the hard disk drive and bracketRemoving the optical drive Removing the diskette drive Replacing the diskette driveRetainer bracket for diskette drive Replacing a memory moduleReplacing a PCI adapter Installing the new memory moduleRemoving the PCI adapter Install the new adapter into the same adapter connector Replacing the front fan assembly Replacing the rear fan assembly Pull the rear fan assembly out of the chassis Replacing the keyboard Replacing the rear fan assemblyLocate the keyboard connector. See Figure Replacing the mouse Mouse connectors, standard and USBHardware Installation and Replacement Guide Replacing the computer cover Completing the parts replacementObtaining device drivers Integrated cable lock Security featuresPadlock Password protectionErasing a lost or forgotten password clearing Cmos Security features Hardware Installation and Replacement Guide Appendix. Notices Trademarks Television output noticeCRU IndexPage Page Part Number 43C4834

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