Acer Extensa 365 Service Guide

							365 Notebook
Service Guide
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Copyright
Copyright  ã  1998 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
Acer Incorporated makes no representations or warranties, either expressed or implied, with
respect to the contents hereof and specifically disclaims any warranties of merchantability or fitness
for any particular purpose.  Any Acer Incorporated software described in this manual is sold or
licensed as is.  Should the programs prove defective following their purchase, the buyer (and not
Acer Incorporated, its distributor, or its dealer) assumes the entire cost of all necessary servicing,
repair, and any incidental or consequential damages resulting from any defect in the software.
Further, Acer Incorporated reserves the right to revise this publication and to make changes from
time to time in the contents hereof without obligation of Acer Incorporated to notify any person of
such revision or changes.
Acer is a registered trademark of Acer Incorporated.
Intel is a registered trademark of Intel Corporation.
Pentium is a trademark of Intel Corporation.
Other brand and product names are trademarks and/or registered trademarks of their respective holders. 
						

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About this Manual
Purpose
This service guide aims to furnish technical information to the service engineers and advanced
users when upgrading, configuring, or repairing the Extensa 365 notebook.
Manual Structure
This service guide consists of four chapters and seven appendices as follows:
Chapter  1 System Introduction
This chapter gives the technical specifications for the notebook and its peripherals.
Chapter  2 BIOS Setup Information
This chapter includes the system BIOS information, focusing on the BIOS setup utility.
Chapter  3 Disassembly and Unit Replacement
This chapter tells how to disassemble the notebook and replace components.
Appendix  A Model Number Definition
This appendix shows the different configuration options for the 365 series notebook
computer.
Appendix  B Compatibility Test Report Excerpt
This appendix contains the compatibility test report of the notebook.
Appendix  C BIOS POST Checkpoint
This appendix lists the POST checkpoints of the notebook BIOS.
Appendix  D Silk Screen
This appendix contains the silk screen of the notebook.
Appendix  E Spare Parts List
This appendix lists the spare parts for the 365 series notebook computer with their part
numbers and other information.
Appendix  G Schematics
This appendix contains the schematic diagrams for the system board.
Appendix  H Troubleshooting to Board Repairing
If you need help……. 
						

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Conventions
The following are the conventions used in this manual:
Text entered by userRepresents parameter settings and text input by the user.
Screen messagesDenotes actual messages that appear onscreen.
, , , 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 software problems.
IMPORTANT
Reminds you to do specific actions relevant to the
accomplishment of procedures.
TIP
Tells how to accomplish a procedure with minimum steps
through little shortcuts. 
						

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Table of Contents
Chapter  1 System Introduction
1.1 Overview......................................................................................................... 1-1
1.2  Jumpers and Connectors ............................................................................... 1-2
1.3  Hardware Configuration and Specification ..................................................... 1-4
1.3.1  Memory Address Map ..................................................................... 1-4
1.3.2 Interrupt Channel Map .................................................................... 1-4
1.3.3  DMA Channel Map.......................................................................... 1-5
1.3.4  I/O Address Map ............................................................................. 1-5
1.3.5 Processor ........................................................................................ 1-6
1.3.6 BIOS ............................................................................................... 1-6
1.3.7 System Memory .............................................................................. 1-6
1.3.8 Second-Level Cache....................................................................... 1-7
1.3.9 Video Memory ................................................................................. 1-7
1.3.10 Video ............................................................................................... 1-7
1.3.11 Parallel Port..................................................................................... 1-8
1.3.12 Serial Port ....................................................................................... 1-9
1.3.13 Audio ............................................................................................... 1-9
1.3.14 PCMCIA .......................................................................................... 1-9
1.3.15 Touchpad ...................................................................................... 1-10
1.3.16 Keyboard ....................................................................................... 1-10
1.3.17 FDD............................................................................................... 1-11
1.3.18 HDD .............................................................................................. 1-11
1.3.19 CD-ROM ....................................................................................... 1-12
1.3.20 Battery ........................................................................................... 1-12
1.3.21 Charger ......................................................................................... 1-13
1.3.22 DC-DC Converter.......................................................................... 1-14 
						

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1.3.23 DC-AC Inverter.............................................................................. 1-14
1.3.24 LCD ............................................................................................... 1-14
1.3.25 AC Adapter.................................................................................... 1-15
1.4  Software Configuration and Specification..................................................... 1-17
1.4.1 BIOS.............................................................................................. 1-17
1.4.2  Drivers, Applications and Utilities .................................................. 1-23
1.5 Block Diagrams ............................................................................................ 1-25
1.5.1 System .......................................................................................... 1-25
1.5.2 Clock ............................................................................................. 1-26
1.6  Environmental Requirements ...................................................................... 1-27
1.7 Mechanical Specifications ............................................................................ 1-28
Chapter  2 BIOS Setup
2.1  Basic System Settings .................................................................................... 2-3
2.2 Startup Configuration...................................................................................... 2-4
2.3  Onboard Devices Configuration ..................................................................... 2-6
2.4 System Security.............................................................................................. 2-8
2.5  Power Management Settings ....................................................................... 2-10
2.6  Load Default Settings ................................................................................... 2-12
Chapter  3 Disassembly and Unit Replacement
3.1 General Information........................................................................................ 3-2
3.1.1  Before You Begin ............................................................................ 3-2
3.1.2 Connector Types ............................................................................. 3-3
3.1.3 Disassembly Sequence................................................................... 3-4
3.2 Installing Memory ........................................................................................... 3-6
3.3  Removing the Modem Board.......................................................................... 3-8
3.4  Removing the Hard Disk Drive ....................................................................... 3-9
3.5  Removing the Keyboard ............................................................................... 3-10 
						

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3.6  Disassembling the Inside Frame Assembly ................................................. 3-12
3.6.1  Removing the Heat Sink Assembly............................................... 3-12
3.6.2  Removing the Display ................................................................... 3-13
3.6.3  Removing the Internal Drive ......................................................... 3-14
3.6.4  Replacing the CPU ....................................................................... 3-15
3.6.5  Detaching the Top Cover .............................................................. 3-16
3.6.6  Removing the Mainboard .............................................................. 3-17
3.6.7  Disassembling the Mainboard....................................................... 3-19
3.6.8  Disassembling the Top Cover....................................................... 3-20
3.7  Disassembling the Display ........................................................................... 3-21
Appendices
Appendix  A  Model Number Definition
Appendix  B  Compatibility Test Report Excerpt
Appendix  C  BIOS POST Checkpoint
Appendix  D  Silk Screen
Appendix  E  Spare Parts List
Appendix  F  Explored View Diagram
Appendix  G  Schematics
Appendix  H  Ttroubleshooting to Board Repairing
List  of  Figures
1-1  Jumpers and Connectors (Top View)............................................................. 1-2
1-2  Jumpers and Connectors (Bottom View) ....................................................... 1-3
1-3  Power Management Block Diagram............................................................. 1-18
1-4  System Block Diagram ................................................................................. 1-25
1-5  Clock Block Diagram .................................................................................... 1-26
3-1  Removing the Battery Pack ............................................................................ 3-2
3-2  Using Connectors With Locks ........................................................................ 3-3 
						

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3-3  Disassembly Sequence Flowchart ................................................................. 3-5
3-4  Removing the Memory Door........................................................................... 3-6
3-5  Installing and Removing Memory ................................................................... 3-7
3-6  Removing the Modem Board.......................................................................... 3-8
3-7  Removing the Hard Disk Drive ....................................................................... 3-9
3-8  Removing the Display Hinge Covers ............................................................ 3-10
3-9  Removing the Keyboard ............................................................................... 3-10
3-10  Unplugging the Keyboard Connectors.......................................................... 3-11
3-11  Removing the LED Cover ............................................................................. 3-12
3-12  Removing the Heat Sink Assembly .............................................................. 3-12
3-13  Unplugging the Display Cable ...................................................................... 3-13
3-14  Removing the Display Hinge Screws ........................................................... 3-13
3-15  Removing the Display Hinge Screws ........................................................... 3-14
3-16  Removing the Internal Drive ......................................................................... 3-15
3-17  Replacing the CPU ....................................................................................... 3-15
3-18 Removing Cables ......................................................................................... 3-16
3-19 Removing Cables ......................................................................................... 3-16
3-20  Detaching the Top Cover.............................................................................. 3-17
3-21  Removing the Keyboard/Touchpad Board and
DC-DC Converter Board Cover .................................................................... 3-17
3-22  Removing the DC-DC Converter Board ....................................................... 3-18
3-23  Removing the Mainboard ............................................................................. 3-18
3-24  Removing the Charger Board....................................................................... 3-19
3-25  Removing the PCMCIA Sockets .................................................................. 3-19
3-26  Removing the Hard Disk Drive Heat Sink .................................................... 3-20
3-27  Removing the Touchpad and Speakers ....................................................... 3-20
3-28  Removing the LCD Bumpers........................................................................ 3-21
3-29  Removing the Display Bezel Screws ............................................................ 3-21 
						

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3-30  Removing the Display Bezel......................................................................... 3-22
3-31  Removing the Inverter Board ....................................................................... 3-22
3-32  Removing the LCD Panel ............................................................................. 3-23
3-33  Removing the display cable from LCD Panel ............................................... 3-23
List  of  Tables
1-1  SW1 Switch Settings ...................................................................................... 1-3
1-2  Memory Address Map .................................................................................... 1-4
1-3  Interrupt Channel Map.................................................................................... 1-4
1-4  DMA Channel Map ......................................................................................... 1-5
1-5  I/O Address Map ............................................................................................ 1-5
1-6 Processor Specifications ................................................................................ 1-6
1-7  BIOS Specifications....................................................................................... 1-6
1-8 Memory Configurations .................................................................................. 1-7
1-9  Video RAM Configuration ............................................................................... 1-7
1-10  Video Hardware Specification ....................................................................... 1-7
1-11  Supported External CRT Resolutions ............................................................ 1-8
1-12  Supported LCD Resolutions ........................................................................... 1-8
1-13  Parallel Port Configurations........................................................................... 1-8
1-14  Serial Port Configurations .............................................................................. 1-9
1-15 Audio Specifications ....................................................................................... 1-9
1-16 PCMCIA Specifications ................................................................................ 1-10
1-17 Touchpad Specifications .............................................................................. 1-10
1-18 Keyboard Specifications ............................................................................... 1-10
1-19  Windows 95 Key Descriptions ..................................................................... 1-11
1-20 FDD Specifications ....................................................................................... 1-11
1-21 HDD Specifications ...................................................................................... 1-11
1-22 CD-ROM Specifications ............................................................................... 1-12 
						

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1-23 Battery Specifications ................................................................................... 1-12
1-24 Charger Specifications ................................................................................. 1-13
1-25  DC-DC Converter Specifications .................................................................. 1-14
1-26  DC-AC Inverter Specifications...................................................................... 1-14
1-27 LCD Specifications ....................................................................................... 1-14
1-28  AC Adapter Specifications ............................................................................ 1-15
1-29 Hotkey Descriptions...................................................................................... 1-17
1-30  Standby Mode Conditions and Descriptions................................................. 1-19
1-31  Light Green Mode Conditions and Descriptions ........................................... 1-20
1-32  Hibernation Mode Conditions and Descriptions ........................................... 1-21
1-33  Display Standby Mode Conditions and Descriptions .................................... 1-21
1-34  Hard Disk Standby Mode Conditions and Descriptions ................................ 1-22
1-35  Location of Drivers in the System Utility CD ................................................. 1-23
1-36  Location of Applications in the System Utility CD ......................................... 1-24
2-1  Basic System Settings Parameters ................................................................ 2-3
2-2  Startup Configuration Parameters .................................................................. 2-4
2-3  Onboard Devices Configuration Parameters.................................................. 2-6
2-4  System Security Parameters .......................................................................... 2-8
2-5  Power Management Settings ....................................................................... 2-10
3-1  Guide to Disassembly Sequence ................................................................... 3-4
C-1  POST Checkpoint List ....................................................................................E-1