Acer Extensa 670 Service Guide

Extensa 670 Extensa 670
Service GuidePART NO.:  49.47010.001
DOC. NO.:  SG248-9708APRINTED IN TAIWAN 

iiCopyright Copyright
Copyright © 1996 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 Disclaimer
Acer Incorporated makes no representations or warranties, either expressed or...

iii About this Manual About this Manual
Purpose
This service guide contains reference information for the Extensa 670 computer.  It gives the
system and peripheral specifications, shows how to identify and solve system problems and
explains the procedure for removing and replacing system components.  It also gives information
for ordering spare parts.
Manual Structure
This service guide consists of six chapters and one appendices as follows:
Chapter  1General Description
This chapter contains a general...

iv Related product information
Extensa 670 Users Manual contains system description and general operating instructions.
ALi M1521/M1523 Chipset Data Sheets contain information on the system core chips .
C&T 65550 Data Sheet contains detailed information on the VGA controller.
ALi M6377 Chipset Data Sheet contains detailed information on the power management
controller.
ES1878 Data Sheet contains detailed information on the audio controller.
NS87336VJG Data Sheet contains detailed information on the super...

v Conventions
The following are the conventions used in this manual:
Text entered by userRepresents text input by the user.
Screen messagesDenotes actual messages that appear onscreen.
a, e, s, etc.Represent the actual keys that you have to press on the
keyboard.NOTE
Gives bits and pieces of additional information related to the
current topic.WARNING
Alerts you to any damage that might result from doing or not
doing specific actions.CAUTION
Gives precautionary measures to avoid possible hardware or...

viTable of Contents Table of Contents
Chapter 1General Introduction
1.1. Introduction..................................................................................................................1-1
1.2. Notebook Model Number Definition.............................................................................1-2
1.3. Product Overview.........................................................................................................1-3
1.3.1 Video Display...

vii 2.5.3 Installing an External Serial Port Device.........................................................2-7
2.5.4 Installing an External VGA Monitor.................................................................2-8
2.5.5 Installing the Security Lock Option..................................................................2-9
2.6. Battery Pack Installation............................................................................................2-10
2.7. Installing the AC Power...

viii4.3.4 ALI M1523 (PCI, Cache and Memory Controller)...........................................4-8
4.3.5 ALI M6377 (Powre Management Unit)..........................................................4-10
4.3.6 C&T 65550 High Performance Flat Panel / CRT VGA Controller.................4-13
4.3.7 TI1130 PCMCIA Controller...........................................................................4-16
4.3.8 NS87336VJG Super I/O Controller...............................................................4-19
4.3.9...

ix 6.5.4 Removing/Replacing the Keyboard Assembly................................................6-7
6.5.5 Removing/Replacing Expansion Memory.......................................................6-8
6.5.6 Removing the Heat Sink Assembly................................................................6-9
6.5.7 Removing/Replacing the CPU Chip..............................................................6-10
6.5.8 FDD/CD-ROM Drive...

xList of Figures List of Figures
1-1 Extensa 67x Series Notebook Computers................................................................1-1
1-2 External Features......................................................................................................1-4
1-3 External Ports............................................................................................................1-6
1-4 Installing PCMCIA Card...