Acer Travelmate 4050 Service Guide

TravelMate 4050
Service Guide
                                                                                                                                     PRINTED IN TAIWAN
Service CD P/N:WE DO NOT PRODUCE CD FOR THIS MODEL
               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 4050 service guide.
DateChapterUpdates 

III
Copyright
Copyright © 2004 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...

VII
Table of Contents
Chapter 1 System Specifications  1
Features  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
System Block Diagram  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Board Layout   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Outlook View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

VIII
Table of Contents
Chapter 6 FRU (Field Replaceable Unit) List  66
Exploded Diagram   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
TravelMate 4050 Parts    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Appendix A Model Definition and Configuration 79
Appendix B Test Compat ible Components 80
Microsoft Windows XP / Professional Environment  Test  . . .  . . .  . .  . . .  . . .  . .  . .81
Appendix C Online...

Chapter 11
Features
This model is a project to accommodate Intel Centrino technology to provide end user better mobile 
experience with entry price. It is a 2 spindle with normal 4:3 for factor.
Performance
TIntel® Pentium® M processor 710/715/725/735/745/755/765 at 1.4 ~ 2.1 GHz, 2MB L2, 400 MHz 
FSB
TIntel® Pentium® M processor at 1.5/1.6/1.7 GHz, 1MB L2 cache, 400MHz FSB
TIntel® Celeron® M processor at 1.2/1.3/1.4/1.5 GHz, 512 L2 cache, 400MHz FSB
TIntel 855GME Chipset, ICH4-M
T256/512MB of DDR 333...

2Chapter 1
Video 
TVGA is integrated in Intel 855GME (Montara-GME) chipset
TSimultaneous display on LCD and CRT
T3D Windows accelerator
TSupports 15/16/24/32 bbp True Color on LCD & Dual View 
THardware expansion for high resolution LCD
TSupport TV-out feature by extra TV-Encoder (optional) 
Audio
TAC97 Codec with Realtek ALC250
TBuilt-in two stereo speakers
TNo internal Microphone
Storage
TODD
TFixed Type
TOption for 12.7mm DVD Combo, DVD Dual and DVD Super Multi
TLocated in front side
THDD
T9.5mm, 2.5”...

Chapter 13
TParallel port
TExternal display (VGA) port
TMicrophone Jack
THeadphones/Speaker/Line-Out port
TInfrared (FIR) port
TPC Card Slot (one Type II)
TDC-In jack for AC adaptor