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Acer 486 User Manual

Acer 486 motherboards: users guide.
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User's Guide

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   Summary of Contents for Acer 486

  • Page 1 User’s Guide...
  • Page 2 Copyright 1995 by this company. 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 this company.
  • Page 3: Manual Structure

    Purpose This user’s guide aims to give you all the information you need to operate the system properly. Manual Structure This user’s guide consists of two chapters as follows: Chapter 1 System Board This chapter describes the system board and all its major components.
  • Page 4 Conventions The following conventions are used in this manual: Text entered by user Screen messages , etc. Represents text input by the user. Denotes actual messages that appear onscreen. Represent the actual keys that you have to press on the keyboard. NOTE Gives bits and pieces of additional information related to the current...
  • Page 5 Chapter 1 System Board System Board Layout ...1-2 ESD Precautions ...1-4 Pre-installation Instructions...1-4 Jumper Settings...1-5 Installing Memory...1-8 1.5.1 Installing a SIMM ...1-9 1.5.2 Removing a SIMM ...1-10 1.5.3 Reconfiguring the System ...1-10 Upgrading the CPU...1-11 1.6.1 Unpacking the Upgrade CPU ...1-11 1.6.2 Installing the Upgrade CPU ...1-11 Power Daughter Board ...1-13...
  • Page 6 Chapter 2 BIOS Utility Entering Setup ... 2-2 Basic System Configuration... 2-3 2.2.1 Date and Time ... 2-5 2.2.2 Diskette Drives... 2-6 2.2.3 IDE Fixed Disk Drives... 2-6 2.2.4 System Memory... 2-9 2.2.5 Math Coprocessor ... 2-9 2.2.6 Video Display ... 2-10 2.2.7 Communication Status...
  • Page 7 System Security Setup ...2-19 2.5.1 Disk Drive Control...2-19 2.5.2 Onboard Communication Ports ...2-21 2.5.3 Setup Password ...2-23 2.5.4 Power-On Password...2-24 Load Setup Default Settings ...2-25 Leaving Setup...2-26 Fixed Disk Types ...2-27...
  • Page 8 List of Figures System Board Layout ... 1-3 Jumper Locations... 1-5 Installing a SIMM... 1-9 Removing a SIMM... 1-10 Pin 1 Indicator on the Upgrade CPU and Socket... 1-12 Installing an Upgrade CPU... 1-12 Installing VGA RAM... 1-15 Installing Cache... 1-16 List of Tables System Board Jumpers...

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