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Lenovo 81413NU User Manual - Page 27

Locating, components, Identifying, parts, system, board

UPC - 882861140909

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Locating components The following illustration will help you locate the various components in your computer. * XXXXXXXXX* * XXXXXXXXX* 1 Power supply 2 Memory modules 3 PCI Express (x1) adapter connector 4 PCI adapter connector 5 PCI Express (x16) graphics adapter connector 6 Battery 7 Microprocessor and heat sink 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 that are factory-installed or that you can install later. Chapter 1. Installing options 11

Section	Page
Contents	5
Important safety information	7
Conditions that require immediate action	7
General safety guidelines	8
Service	8
Power cords and power adapters	9
Extension cords and related devices	9
Plugs and outlets	10
Batteries	10
Heat and product ventilation	11
CD and DVD drive safety	11
Additional safety information	12
Lithium battery notice	12
Modem safety information	13
Laser compliance statement	13
Power supply statement	14
Overview	15
Information resources	15
Chapter 1. Installing options	17
Features	17
Specifications	20
Available options	21
Tools required	21
Handling static-sensitive devices	21
Installing external options	22
Locating the connectors on the front of your computer	23
Locating the connectors on the rear of your computer	24
Obtaining device drivers	25
Removing the cover	26
Locating components	27
Identifying parts on the system board	27
Installing memory	28
Installing adapters	30
Installing internal drives	32
Drive specifications	32
Installing a drive	33
Connecting the first optical drive	35
Connecting an additional optical drive or parallel ATA hard disk drive	36
Connecting a serial ATA hard disk drive	36
Installing security features	36
Padlock loop	37
Password protection	37
Changing the battery	37
Erasing a lost or forgotten password (clearing CMOS)	39
Replacing the cover and connecting the cables	39
Chapter 2. Using the Setup Utility program	41
Starting the Setup Utility program	41
Viewing and changing settings	41
Using passwords	41
Password considerations	41
User password	42
Administrator password	42
IDE Drive User Password	42
IDE Drive Master Password	42
Setting, changing, and deleting a password	43
Using Security Profile by Device	43
Selecting a startup device	43
Selecting a temporary startup device	44
Changing the startup sequence	44
Exiting from the Setup Utility program	44
Appendix A. Updating system programs	45
System programs	45
Updating (flashing) BIOS from a diskette	45
Updating (flashing) BIOS from your operating system	45
Recovering from a POST/BIOS update failure	46
Appendix B. Cleaning the mouse	47
Cleaning an optical mouse	47
Cleaning a mouse with a ball	47
Appendix C. Manual modem commands	49
Basic AT commands	49
Extended AT commands	51
MNP/V.42/V.42bis/V.44 commands	52
Fax Class 1 commands	53
Fax Class 2 commands	53
Voice commands	54
Appendix D. Notices	57
Television output notice	58
Trademarks	58