Acer Travelmate 270 Service Guide

Acer TravelMate 270 Series
Service Guide
  PART NO.: VD.T18V5.001 
                                                                                                                                     PRINTED IN TAIWAN Service guide files and updates are available
on the ACER/CSD web; for more information, 
please refer to http://csd.acer.com.tw 

II
Revision History
Please refer to the table below for the updates made on TravelMate 270 service guide.
DateChapterUpdates 

III
Copyright
Copyright © 2002 by Acer Incorporated.  All rights reserved.  No part of this publication may be reproduced, 
transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in 
any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without 
the prior written permission of Acer Incorporated.
Disclaimer
The information in this guide is subject to change without notice.
Acer Incorporated makes no...

IV
Conventions
The following conventions are used in this manual:
SCREEN MESSAGESDenotes actual messages that appear 
on screen.
NOTEGives bits and pieces of additional 
information related to the current 
topic.
WARNINGAlerts you to any damage that might 
result from doing or not doing specific 
actions.
CAUTIONGives precautionary measures to 
avoid possible hardware or software 
problems.
IMPORTANTReminds you to do specific actions 
relevant to the accomplishment of 
procedures. 

V
Preface
Before using this information and the product it supports, please read the following general information.
1.This Service Guide provides you with all technical information relating to the BASIC CONFIGURATION 
decided for Acers global product offering. To better fit local market requirements and enhance product 
competitiveness, your regional office MAY have decided to extend the functionality of a machine (e.g. 
add-on card, modem, or extra memory capability). These LOCALIZED FEATURES will NOT...

I
Table of Contents
Chapter 1 System Specifications  3
Features  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  3
System Block Diagram  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5
Board Layout   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  6
Top View  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

II
Table of Contents
Disassembling the logic lower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  67
Disassembling the LCD Module  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  68
Disassembling the External Modules  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  69
Disassembling the HDD Module  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  69
Disassembling the Floppy Disk Drive Module . . . . . ....

Chapter 13
Features
This computer was designed with the user in mind.  Here are just a few of its many features:
Performance
Mobile Intel® Pentium®4 processor-M at 1.4GHz or higher
Built-in 0.13 micron technology; includes 512KB L2 Cache; supports Enhanced Intel® 
SpeedStepTM technology
Standard 128/256MB DDR-266 SDRAM, upgradeable up to 1GB on dual SoDIMM sockets
14.1” or 15.0” XGA TFT color LCD, 1024x768, 16.7M colours
High-capacity, Enhanced-IDE hard disk
Li-Ion main battery pack
Power management...

4Chapter 1
USB (Universal Serial Bus) ports
IEEE 1394 port
802.11b wireless LAN
Keyboard and Pointing Device
4-way scroll button
Sleek, smooth and stylish design
Full-sized keyboard
Ergonomically-centered touchpad pointing device
Expansion
Two type II or one type III cardBus PC Card slots
Upgradeable memory
Keyboard and Pointing Device
Acer FineTouch keyboard: with a 5 curve, 84/85/88-key, inverted “T” cursor layout, 18mm 
spacing, 2.5mm(min) key travel
Built-in touchpad pointing device with ergonomic...

Chapter 15
System Block Diagram