Lenovo ThinkPad T420 (English) BIOS Setup using Windows Management Instrumenta - Page 9

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Chapter 1. Overview IT administrators are always looking for easier ways to manage client computer BIOS settings, which include passwords, hardware settings, and the boot order. The Lenovo BIOS WMI interface provides a simplified way to change these settings. Lenovo has developed a BIOS interface that can be manipulated through Windows Management Instrumentation (WMI). The Lenovo BIOS WMI interface enables IT administrators to make queries on current BIOS settings, restore settings to their factory defaults, change single settings, reset or change passwords, and modify the boot order either at client computers or remotely. Using Windows Management Instrumentation WMI is provided as a standard feature in most Windows® operating systems. It provides a powerful set of functions, such as query-based information retrieval and event notification, which enables users to manage both local and remote computers. The Lenovo BIOS WMI interface extends the capabilities of WMI to allow management of BIOS settings. The following illustration shows how WMI can be used to access Lenovo BIOS settings. Application or Script Provided by Customers Network Client WMI Subsystem Provided by Microsoft Operating System BIOS/HW Lenovo BIOS WMI Interface BIOS Setting Provided by Lenovo Administrator PC Windows Script Access through Network Client PC WMI uses Windows Script host (WSH) to interpret scripts. You can write your scripts in either Windows Visual Basic Scripting Edition (VBScript) or JavaScript. Key benefits The Lenovo BIOS WMI interface provides the following benefits: Functions • Flexible BIOS configuration, including the ability to change a single BIOS setting or all BIOS settings © Copyright Lenovo 2008, 2012 1

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Chapter
1.
Overview
IT
administrators
are
always
looking
for
easier
ways
to
manage
client
computer
BIOS
settings,
which
include
passwords,
hardware
settings,
and
the
boot
order.
The
Lenovo
BIOS
WMI
interface
provides
a
simpli±ed
way
to
change
these
settings.
Lenovo
has
developed
a
BIOS
interface
that
can
be
manipulated
through
Windows
Management
Instrumentation
(WMI).
The
Lenovo
BIOS
WMI
interface
enables
IT
administrators
to
make
queries
on
current
BIOS
settings,
restore
settings
to
their
factory
defaults,
change
single
settings,
reset
or
change
passwords,
and
modify
the
boot
order
either
at
client
computers
or
remotely.
Using
Windows
Management
Instrumentation
WMI
is
provided
as
a
standard
feature
in
most
Windows
®
operating
systems.
It
provides
a
powerful
set
of
functions,
such
as
query-based
information
retrieval
and
event
noti±cation,
which
enables
users
to
manage
both
local
and
remote
computers.
The
Lenovo
BIOS
WMI
interface
extends
the
capabilities
of
WMI
to
allow
management
of
BIOS
settings.
The
following
illustration
shows
how
WMI
can
be
used
to
access
Lenovo
BIOS
settings.
Application
or
Script
WMI Subsystem
Lenovo BIOS WMI Interface
BIOS Setting
Network
Client
Operating System
BIOS/HW
Provided by
Customers
Provided by
Microsoft
Provided by
Lenovo
Administrator PC
Windows Script
Access through Network
Client PC
WMI
uses
Windows
Script
host
(WSH)
to
interpret
scripts.
You
can
write
your
scripts
in
either
Windows
Visual
Basic
Scripting
Edition
(VBScript)
or
JavaScript.
Key
beneFts
The
Lenovo
BIOS
WMI
interface
provides
the
following
bene±ts:
±unctions
•
Flexible
BIOS
con±guration,
including
the
ability
to
change
a
single
BIOS
setting
or
all
BIOS
settings
©
Copyright
Lenovo
2008,
2012
1