Lenovo 9159 manual Identifying parts on the system board, Figura 4. System board parts locations

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Identifying parts on the system board

The system board (sometimes called the planar or motherboard) is the main circuit board in your computer. It provides basic computer functions and supports a variety of devices.

Figura 4 shows the locations of parts on the system board for some computer models.

Figura 4. System board parts locations

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

Capitolo 2. Overview 7

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Contents Page Page ThinkCentre Hardware Installation and Replacement Guide Page Capitolo 2. Overview IndiceIv Hardware Installation and Replacement Guide Lenovo 2005, 2007. Portions IBM Corp Vi Hardware Installation and Replacement Guide Capitolo 1. Important safety information Hardware Installation and Replacement Guide Capitolo 2. Overview Additional information resourcesHandling static-sensitive devices Locations Figura 1. Controls and connectorsFigura 2. Connector locations Locating connectors on the rear of your computerFigura 3. Component locations Locating componentsFigura 4. System board parts locations Identifying parts on the system boardHardware Installation and Replacement Guide Removing the cover Capitolo 3. Installing options and replacing hardwareInstalling external options Tools requiredFigura 5. Sliding the cover Accessing system board components and drivesInstalling memory Installing internal optionsHardware Installation and Replacement Guide What to do next Installing PCI adaptersFigura 11. Opening the adapter latch Installing internal drivesDrive specifications Installing a drive in bay Connecting drives Installing a diskette drive in bay Figura 20. Battery removal Replacing the batteryReplacing the hard disk drive Figura 21. Battery installationFigura 22. Removing the hard disk drive Figura 24. Removing the diskette drive Replacing the diskette driveReplacing an optical drive Figura 26. Installing the new diskette driveFigura 28. Retaining bracket for optical drive Replacing the heat sink and fan assemblyFigura 30. Removing the heat sink Figura 32. Removing the system fan assembly Replacing the system fan assemblyFigura 33. Removing the memory module Replacing a memory moduleFigura 35. Removing the adapter Replacing a PCI adapterReplacing a keyboard Figura 36. Installing the new adapterReplacing a mouse Figura 38. Mouse connectorsFigura 39. Sliding on the cover Capitolo 4. Completing the parts replacementObtaining device drivers Integrated cable lock Capitolo 5. Security featuresPassword protection Erasing a lost or forgotten password clearing CmosPadlock Capitolo 5. Security features Hardware Installation and Replacement Guide Appendice. Notices Trademarks Television output noticePage Numero parte 43C4818 Stampato in Italia