Lenovo ThinkPad T400 Quick reference guide

Lenovo BIOS Setup using Windows

Management Instrumentation Deployment

Guide

Lenovo BIOS Setup using Windows

Management Instrumentation Deployment

Guide

Note: Before using the information in this document, read Appendix C“Notices” on page 29.

Sixth Edition (August 2012)

©Copyright Lenovo 2008, 2012.

LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant aGeneral Services Administration

“GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-35F-05925.

Contents

Preface ................ v

Chapter 1. Overview. .........1

Using Windows Management Instrumentation ..1

Keybenets................ 1

Functions............... 1

Environment.............. 2

Interface ............... 2

Supported computers . . . . . . . . . . . . 2

Chapter 2. Script classes and

parameters .............. 3

Conguring BIOS settings ..........3

Return types ............... 3

Password Authentication ..........4

Available BIOS setting names .........4

Chapter 3. Typical usage .......13

Listing current BIOS settings .........13

Changing BIOS settings ...........13

Changing the boot order . ..........13

Restoring default settings ..........14

Changing an existing hardware password ....14

Limitations................ 14

Chapter 4. Security .......... 15

Appendix A. Sample Visual Basic

scripts for conguring BIOS

settings ................17

Restore default settings ...........17

List all BIOS settings on the local computer ...17

Set asingle BIOS setting on the local computer .18

Set asingle BIOS setting on the local computer if a

supervisor password exists. .........19

List all BIOS settings on the remote computer ..20

Set asingle BIOS setting on aremote computer .20

Set asingle BIOS setting on aremote computer

when asupervisor password exists ......21

Set asupervisor password on the local computer

when asupervisor password exists ......22

Set asupervisor password on aremote computer

when asupervisor password exists ......23

Appendix B. Sample PowerShell

scripts for remote BIOS

management .............25

Get all current BIOS settings .........25

Show aparticular BIOS setting ........26

Setting aBIOS setting. ...........27

Appendix C. Notices. .........29

Trademarks ................30

©Copyright Lenovo 2008, 2012 iii

iv Lenovo BIOS Setup using Windows Management Instrumentation Deployment Guide

Preface

The purpose of this guide is to explain how to modify BIOS passwords, settings, and boot order using

Windows Management Instrumentation (WMI) through the Lenovo client-management interface. This guide

is intended for skilled IT administrators who are familiar with conguring BIOS settings on computers

in their organizations.

This guide is provided in aZIP le package that contains this deployment guide as well as Visual Basic

sample scripts to use when conguring BIOS settings.

This deployment guide is developed for IT professionals to assist with the unique challenges that

they encounter. If you have suggestions or comments, communicate with your Lenovo®authorized

representative. To learn more about the technologies that can help you lower the total cost of ownership and

to check for periodic updates to this guide, visit the following Web site:

http://www.lenovo.com/support

©Copyright Lenovo 2008, 2012 v

vi Lenovo BIOS Setup using Windows Management Instrumentation Deployment Guide

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 asimplied

way to change these settings. Lenovo has developed aBIOS 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 astandard feature in most Windows®operating systems. It provides apowerful 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 benets

The Lenovo BIOS WMI interface provides the following benets:

Functions

•Flexible BIOS conguration, including the ability to change asingle BIOS setting or all BIOS settings

©Copyright Lenovo 2008, 2012 1

• BIOS password management, including updating supervisor passwords, power-on passwords, and hard

disk drive (HDD) passwords

• No dependency on aspecic BIOS level

Environment

• Remote or local capabilities

• Support of unattended operations

• No software installation, including managed object format (MOF), required

• Replaces DOS-based BIOS conguration tools

Interface

• Easy to adopt for various management servers

• Replaces current SMI interface

• Common interface for different products

Supported computers

BIOS setup through WMI is supported on the following ThinkPad products only:

• R400, R500, T400, T500, W500, X200, X200s, X200 Tablet

• X301

• W700, W700ds, W701

• T400s

• X201, X201s, T410, T410s, T510, W510

• T420, T420i, T420s, T420si, T520, T520i, W520, X220, X220i, X220 Tablet, X220i Tablet

• X1

• T430, T430s, T430si, T530, W530

• X230, X230i, X230 Tablet

• L430, L530

• T430u

• X1 Carbon

Lenovo BIOS Setup using Windows Management Instrumentation Deployment Guide2

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