Lenovo ThinkCentre M50 User Manual - Page 6

replaceable - 8189 memory

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Replacing the cover and connecting the cables. . . 70 Chapter 4. Types 8189, 8190, 8194, 8195, 8415, 8432, and 8433 73 Features 73 Specifications 76 Available options 77 Tools required 77 Handling static-sensitive devices 77 Installing external options 78 Locating the connectors on the front of your computer 79 Locating the connectors on the rear of your computer 80 Obtaining device drivers 81 Removing the cover 82 Locating components 83 Identifying parts on the system board . . . . . 83 Installing memory 84 Installing adapters 85 Installing internal drives 87 Drive specifications 87 Installing a drive 88 Installing security features 91 Identifying security locks 92 Rope clip 92 Integrated cable lock 94 Password protection 94 Changing the battery 94 Erasing a lost or forgotten password (clearing CMOS 95 Replacing the cover and connecting the cables. . . 96 Chapter 5. Using the IBM Setup Utility program 99 Starting the IBM Setup Utility program . . . . . 99 Viewing and changing settings 99 Exiting from the IBM Setup Utility program . . . 99 Using passwords 99 User password 100 Administrator password 100 Setting, changing, and deleting a password . . 100 Using Security Profile by Device 100 Using IDE Drives Setup 101 Selecting a startup device 101 Selecting a temporary startup device . . . . 101 Changing the startup sequence 101 Advanced settings 102 Appendix A. Updating system programs 103 System programs 103 Updating (flashing) BIOS from a diskette . . . 103 Updating (flashing) BIOS from your operating system 103 Recovering from a POST/BIOS update failure . . 104 Appendix B. Cleaning the mouse . . . 105 Cleaning an optical mouse 105 Cleaning a mouse with a ball 105 Appendix C. Manual modem commands 107 Basic AT commands 107 Extended AT commands 109 MNP/V.42/V.42bis/V.44 commands 110 Fax Class 1 commands 111 Fax Class 2 commands 111 Voice commands 112 Appendix D. Customer replaceable unit (CRU) parts list 115 Appendix E. Notices 117 Television output notice 118 Trademarks 118 Index 119 iv User Guide

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Replacing
the
cover
and
connecting
the
cables
.
.
. 70
Chapter
4.
Types
8189,
8190,
8194,
8195,
8415,
8432,
and
8433
.
.
.
.
.
. 73
Features
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 73
Specifications
.
.
.
.
.
.
.
.
.
.
.
.
.
. 76
Available
options
.
.
.
.
.
.
.
.
.
.
.
. 77
Tools
required
.
.
.
.
.
.
.
.
.
.
.
.
. 77
Handling
static-sensitive
devices
.
.
.
.
.
.
. 77
Installing
external
options
.
.
.
.
.
.
.
.
. 78
Locating
the
connectors
on
the
front
of
your
computer
.
.
.
.
.
.
.
.
.
.
.
.
.
. 79
Locating
the
connectors
on
the
rear
of
your
computer
.
.
.
.
.
.
.
.
.
.
.
.
.
. 80
Obtaining
device
drivers
.
.
.
.
.
.
.
.
. 81
Removing
the
cover
.
.
.
.
.
.
.
.
.
.
. 82
Locating
components
.
.
.
.
.
.
.
.
.
.
. 83
Identifying
parts
on
the
system
board
.
.
.
.
. 83
Installing
memory
.
.
.
.
.
.
.
.
.
.
.
. 84
Installing
adapters
.
.
.
.
.
.
.
.
.
.
.
. 85
Installing
internal
drives
.
.
.
.
.
.
.
.
.
. 87
Drive
specifications
.
.
.
.
.
.
.
.
.
.
. 87
Installing
a
drive
.
.
.
.
.
.
.
.
.
.
. 88
Installing
security
features
.
.
.
.
.
.
.
.
. 91
Identifying
security
locks
.
.
.
.
.
.
.
.
. 92
Rope
clip
.
.
.
.
.
.
.
.
.
.
.
.
.
. 92
Integrated
cable
lock
.
.
.
.
.
.
.
.
.
. 94
Password
protection
.
.
.
.
.
.
.
.
.
. 94
Changing
the
battery
.
.
.
.
.
.
.
.
.
.
. 94
Erasing
a
lost
or
forgotten
password
(clearing
CMOS)
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 95
Replacing
the
cover
and
connecting
the
cables
.
.
. 96
Chapter
5.
Using
the
IBM
Setup
Utility
program
.
.
.
.
.
.
.
.
.
.
.
.
.
. 99
Starting
the
IBM
Setup
Utility
program
.
.
.
.
. 99
Viewing
and
changing
settings
.
.
.
.
.
.
.
. 99
Exiting
from
the
IBM
Setup
Utility
program
.
.
. 99
Using
passwords
.
.
.
.
.
.
.
.
.
.
.
. 99
User
password
.
.
.
.
.
.
.
.
.
.
.
. 100
Administrator
password
.
.
.
.
.
.
.
.
. 100
Setting,
changing,
and
deleting
a
password
.
. 100
Using
Security
Profile
by
Device
.
.
.
.
.
.
. 100
Using
IDE
Drives
Setup
.
.
.
.
.
.
.
.
.
. 101
Selecting
a
startup
device
.
.
.
.
.
.
.
.
. 101
Selecting
a
temporary
startup
device
.
.
.
. 101
Changing
the
startup
sequence
.
.
.
.
.
. 101
Advanced
settings
.
.
.
.
.
.
.
.
.
.
.
. 102
Appendix
A.
Updating
system
programs
.
.
.
.
.
.
.
.
.
.
.
.
. 103
System
programs
.
.
.
.
.
.
.
.
.
.
.
. 103
Updating
(flashing)
BIOS
from
a
diskette
.
.
. 103
Updating
(flashing)
BIOS
from
your
operating
system
.
.
.
.
.
.
.
.
.
.
.
.
.
. 103
Recovering
from
a
POST/BIOS
update
failure
.
. 104
Appendix
B.
Cleaning
the
mouse
.
.
. 105
Cleaning
an
optical
mouse
.
.
.
.
.
.
.
.
. 105
Cleaning
a
mouse
with
a
ball
.
.
.
.
.
.
.
. 105
Appendix
C.
Manual
modem
commands
.
.
.
.
.
.
.
.
.
.
.
. 107
Basic
AT
commands
.
.
.
.
.
.
.
.
.
.
. 107
Extended
AT
commands
.
.
.
.
.
.
.
.
.
. 109
MNP/V.42/V.42bis/V.44
commands
.
.
.
.
.
. 110
Fax
Class
1
commands
.
.
.
.
.
.
.
.
.
. 111
Fax
Class
2
commands
.
.
.
.
.
.
.
.
.
. 111
Voice
commands
.
.
.
.
.
.
.
.
.
.
.
. 112
Appendix
D.
Customer
replaceable
unit
(CRU)
parts
list
.
.
.
.
.
.
.
.
. 115
Appendix
E.
Notices
.
.
.
.
.
.
.
. 117
Television
output
notice
.
.
.
.
.
.
.
.
.
. 118
Trademarks
.
.
.
.
.
.
.
.
.
.
.
.
.
. 118
Index
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 119
iv
User
Guide