Lenovo 8457, 8455, 8453, 8454, 8459, 8460, 8458, 8456 manual Contents

Contents

Important safety information . . . .	.	.	v	Erasing a lost or forgotten password (clearing
Conditions that require immediate action . . .	.	.	v	CMOS)	.	21
General safety guidelines	.	.	vi	Replacing the cover and connecting the cables. .	.	22
Service	.	.	vi	Chapter 2. Using the Setup Utility . .	.	23
Power cords and power adapters . . . .	.	. vii
Extension cords and related devices . . .	.	. viii		Starting the Setup Utility program	.	23
Plugs and outlets	.	. viii		Viewing and changing settings	.	23
Batteries	.	. viii		Using passwords	.	23
Heat and product ventilation	.	. ix		User Password	.	23
CD and DVD drive safety	.	. ix		Administrator or Supervisor Password . . .	. 24
Additional safety information	.	. x		Selecting a startup device	.	25
Lithium battery notice	.	. x		Selecting a temporary startup device . . . .	.	25
Modem safety information	.	. xi		Changing the startup device sequence . . .	. 25
Laser compliance statement	.	. xi		Exiting from the Setup Utility program . . . .	.	25
Power supply statement	.	. xii
Overview	. xiii			Appendix A. Updating system
				programs	.	27
Information resources	.	. xiii		System program	.	27
Chapter 1. Installing options . . . .	.	.	1	Updating (flashing) BIOS from a diskette . . .	. 27
Features	.	.	1	Appendix B. Cleaning the mouse . .	. 29
Available options	.	.	4	Cleaning an optical mouse	.	29
Specifications		.	5
				Cleaning a mouse with a ball	.	29
Supported operating positions	.	.	6
Tools required	.	.	6	Appendix C. Manual modem
Handling static-sensitive devices	.	.	6
				commands . . . . . . . . . . . . . 31
Installing external options	.	.	7
				Basic AT commands	.	31
Locating controls and connectors on the front of
				Extended AT commands	. 33
your computer	.	.	7
				MNP/V.42/V.42bis/V.44 commands	. 34
Locating connectors on the rear of your computer			8
				Fax Class 1 commands	.	35
Obtaining device drivers	.	.	9
				Fax Class 2 commands	.	35
Removing the cover	.	.	10
				Voice commands	.	36
Locating components	.	.	11
Accessing system board components . . . .	.	. 12		Appendix D. Notices	.	39
Identifying parts on the system board . . .	.	. 13
Installing memory	.	.	17	Television output notice	.	40
Installing PCI adapters	.	.	18	Trademarks	.	40
Security features	.	.	19
Padlock	.	.	20	Index	.	41
Password protection	.	.	20
Changing the battery	.	.	20

© Lenovo 2006. Portions © IBM Corp. 2005. iii