File name ThinkPad R30 R31.pdf
ThinkPad R30/R31 Hardware Maintenance Manual
Before using this information and the product it supports, be sure to read the general information under "Introduction" on page 1, and "Notices" on page 228.
First Edition (September 2002) The following paragraph does not apply to the United Kingdom or any country where such provisions are inconsistent with local law: INTERNATIONAL BUSINESS MACHINES CORPORATION PROVIDES THIS PUBLICATION AS IS WITHOUT ANY WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE LIMITED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Some states do not allow disclaimers or express or implied warranties in certain transactions; therefore, this statement may not apply to you. This publication could include technical inaccuracies or typographical errors. Changes are periodically made to the information herein; these changes will be incorporated in new editions of the publication. IBM may make improvements or changes in the products or the programs described in this publication at any time. Requests for technical information about IBM products should be made to your IBM Authorized Dealer or your IBM Marketing Representative. © Copyright International Business Machines Corporation 2002. All rights reserved. Note to US Government Users -- Documentation related to restricted rights -- Use, duplication, or disclosure is subject to restrictions set forth in GSA ADP Schedule Contract with IBM Corp.
About this manual This manual contains service and reference information for IBM ThinkPad R30/R31 products. Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively. The manual is divided into sections as follows: v The Introduction section provides general information, guidelines, and safety information required to service computers. v The product-specific section includes service, reference, and product-specific parts information.
Important This manual is intended for trained servicers who are familiar with ThinkPad products. Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively. Before servicing an IBM ThinkPad product, be sure to review the safety information under "Safety Notices (Multi-lingual Translations)" on page 3,"Safety Information" on page 13, and "Laser Compliance Statement" on page 17.
ThinkPad R30/R31 HMM
Preface . . . . . . . . . . . . . . . iii 1 . 1 . 1 . 2 . 3 . 13 . 17 . 20 . 21 . 21 . 23 . 23 . 23 24 . 26 . 26 . 26 . 26 . 26 . 28 . 30 . 30 . 33 . 34 . 34 . 35 . 36 . 40 . 40 . 43 . 44 . 45 . 45 . 45 . 46 . 46 . 46 . 47 . 47 . 48 . 48 . 48 . 49 . 50 . 51 . 56 . 84 . 87 ThinkPad R30/R31 Hardware Maintenance Manual Introduction . . . . . . . . . . . . . Important Service Information. . . . . . . Drive and Diskette Compatibility Matrix . . . . Safety Notices (Multi-lingual Translations) . . . Safety Information. . . . . . . . . . Laser Compliance Statement . . . . . .