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Lenovo
a35 8139
User Guide
Lenovo a35 8139 User Guide
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Contents
Important
safety
information
.
.
.
.
.
. v
Conditions
that
require
immediate
action
.
.
.
.
. v
General
safety
guidelines
.
.
.
.
.
.
.
.
.
. vi
Service
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. vi
Power
cords
and
power
adapters
.
.
.
.
.
. vii
Extension
cords
and
related
devices
.
.
.
.
. vii
Plugs
and
outlets
.
.
.
.
.
.
.
.
.
.
. vii
Batteries
.
.
.
.
.
.
.
.
.
.
.
.
.
. viii
Heat
and
product
ventilation
.
.
.
.
.
.
. viii
CD
and
DVD
drive
safety
.
.
.
.
.
.
.
.
. ix
Additional
safety
information
.
.
.
.
.
.
.
. ix
Lithium
battery
notice
.
.
.
.
.
.
.
.
.
.
. x
Modem
safety
information
.
.
.
.
.
.
.
.
.
. x
Laser
compliance
statement
.
.
.
.
.
.
.
.
. xi
Power
supply
statement
.
.
.
.
.
.
.
.
.
. xi
Overview
.
.
.
.
.
.
.
.
.
.
.
.
. xiii
Information
resources
.
.
.
.
.
.
.
.
.
.
. xiii
Chapter
1.
Installing
options
.
.
.
.
.
. 1
Features
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 1
Specifications
.
.
.
.
.
.
.
.
.
.
.
.
.
. 4
Available
options
.
.
.
.
.
.
.
.
.
.
.
.
. 5
Tools
required
.
.
.
.
.
.
.
.
.
.
.
.
.
. 5
Handling
static-sensitive
devices
.
.
.
.
.
.
.
. 6
Installing
external
options
.
.
.
.
.
.
.
.
.
. 6
Locating
the
connectors
on
the
front
of
your
computer
.
.
.
.
.
.
.
.
.
.
.
.
.
. 7
Locating
the
connectors
on
the
rear
of
your
computer
.
.
.
.
.
.
.
.
.
.
.
.
.
. 8
Obtaining
device
drivers
.
.
.
.
.
.
.
.
. 11
Removing
the
cover
.
.
.
.
.
.
.
.
.
.
. 11
Locating
components
.
.
.
.
.
.
.
.
.
.
. 12
Identifying
parts
on
the
system
board
.
.
.
.
. 12
Installing
memory
.
.
.
.
.
.
.
.
.
.
.
. 14
Installing
adapters
.
.
.
.
.
.
.
.
.
.
.
. 15
Installing
internal
drives
.
.
.
.
.
.
.
.
.
. 17
Drive
specifications
.
.
.
.
.
.
.
.
.
.
. 17
Installing
a
drive
.
.
.
.
.
.
.
.
.
.
. 19
Installing
security
features
.
.
.
.
.
.
.
.
. 22
Padlock
loop
.
.
.
.
.
.
.
.
.
.
.
.
. 23
Password
protection
.
.
.
.
.
.
.
.
.
. 23
Changing
the
battery
.
.
.
.
.
.
.
.
.
.
. 23
Erasing
a
lost
or
forgotten
password
(clearing
CMOS)
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 24
Replacing
the
cover
and
connecting
the
cables
.
.
. 25
Chapter
2.
Using
the
CMOS
Setup
Utility
program
.
.
.
.
.
.
.
.
.
.
. 27
Starting
the
CMOS
Setup
Utility
program
.
.
.
. 27
Viewing
and
changing
settings
.
.
.
.
.
.
.
. 27
Exiting
from
the
CMOS
Setup
Utility
program
.
.
. 27
Using
passwords
.
.
.
.
.
.
.
.
.
.
.
. 27
User
password
.
.
.
.
.
.
.
.
.
.
.
. 28
Administrator
password
.
.
.
.
.
.
.
.
. 28
Selecting
a
startup
device
.
.
.
.
.
.
.
.
.
. 29
Selecting
a
temporary
startup
device
.
.
.
.
. 29
Changing
the
startup
sequence
.
.
.
.
.
.
. 29
Appendix
A.
Updating
system
programs
.
.
.
.
.
.
.
.
.
.
.
.
. 31
System
programs
.
.
.
.
.
.
.
.
.
.
.
. 31
Updating
(flashing)
BIOS
from
a
diskette
.
.
. 31
Updating
(flashing)
BIOS
from
your
operating
system
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 31
Recovering
from
a
POST/BIOS
update
failure
.
.
. 32
Appendix
B.
Cleaning
the
mouse
.
.
. 33
Cleaning
an
optical
mouse
.
.
.
.
.
.
.
.
. 33
Cleaning
a
mouse
with
a
ball
.
.
.
.
.
.
.
. 33
Appendix
C.
Manual
modem
commands
.
.
.
.
.
.
.
.
.
.
.
.
. 35
Basic
AT
commands
.
.
.
.
.
.
.
.
.
.
. 35
Extended
AT
commands
.
.
.
.
.
.
.
.
.
. 37
MNP/V.42/V.42bis/V.44
commands
.
.
.
.
.
. 38
Fax
Class
1
commands
.
.
.
.
.
.
.
.
.
. 39
Fax
Class
2
commands
.
.
.
.
.
.
.
.
.
. 39
Voice
commands
.
.
.
.
.
.
.
.
.
.
.
.
. 40
Appendix
D.
Notices
.
.
.
.
.
.
.
.
. 43
Television
output
notice
.
.
.
.
.
.
.
.
.
. 44
Trademarks
.
.
.
.
.
.
.
.
.
.
.
.
.
. 44
Index
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 45
©
Copyright
Lenovo
2005.
©
Portions
Copyright
IBM
Corp.
2005.
iii
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