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TravelMate 520
Service Guide
Service guide files and updates are available
on the AIPG/CSD web; for more information,
please refer to http://csd.acer.com.tw
PART NO.: 49.41H02.001
DOC. NO.: SG336-0005A PRINTED IN TAIWAN
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Copyright Copyright © 1999 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 r
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Conventions The following conventions are used in this manual: Screen messages Denotes actual messages that appear on screen. 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. III
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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 Acer's "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
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Table of Contents Chapter 1 System Specifications 1 Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 System Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Board Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Table of Contents VI
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Chapter 1 System Specifications Features This computer was designed with the user in mind. Here are just a few of its many features: Performance ® ® T Mobile Pentium III processor with 256KB L2 cache, Mobile Pentium III processor with 256KB ® ™ level 2 cache featuring Intel SpeedStep technology with 256KB level 2 cache or Mobile ® Celeron processor with 128KB level 2 cache T 64-bit memory bus T Built-in floppy disk drive T Lithium-Ion battery pack T Power management system with ACPI (Ad
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Display The large graphics display offers excellent viewing, display quality and desktop performance graphics. The computer supports a Thin-Film Transistor (TFT) liquid crystal display (LCD) displaying 24-bit true-color at 800x600 Super Video Graphic Array (SVGA) or 1024x768 eXtended Graphics Array (XGA) resolution. Video performance 2X AGP video graphic accelerator with 8 MB of video memory boost video performance. Simultaneous display The computer’s large display and multimedia capabilities
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System Block Diagram ’0 / +)2 ’- 7 1SFMPI 4--- ’S TTI V Q MRI 7(6%1 ’0/ &9**)6 +)=7) 6:-00) 3, 7 8 &97 ’- 7 0’ ( :+ % 2 & 1)1 &97 %+ 4 &97 %8 - 1 SFMPMX] (-11 1 1 ’68 4’ - &97 4V MQ EV] ) (- ) 4S[IV 7; ,( ( 1-’ 0%2 7 & 97 & %’ 6 (&97 1 ’%6(&97 07 38 % & 3> 7I GS RHEV] ) -( ) %’ 0MRO ,( ( 0-2) 2- 1SH IQ -28 74 6/ %’ ’3 () ’ (EYKLXIV 34 % 1 4 :6 ’ 7 ’E VH 7- % &97 84% 0-2) 398 1-’ &-37 6 3 1 /& ’ *-2+)6 68 ’ ’137 () & 9+ &% 8 %8 ’
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Board Layout Top View 1. DC-in Port 16. Diskette Drive Connector 2. PS/2 Keyboard and Mouse Port 17. PCMCIA (PC card) Controller (OZ6933) 3. Serial Port 18. Switch 4. Parallel Port 19. BIOS ROM 5. Expansion Port 20. HDD Connector 6. USB Port 2 21. Golden Finger for Debug 7. USB Port 1 22. Touchpad Cable Connector 8. External Display Port 23. Digital Finger Print Sensor Connector(Not Used) 9. Modem Port 24. Keyboard Cable Connector 10. LAN Port 25. RTC Battery 11. LED & Inverte
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Bottom View 1. North Bridge (ALi M1621) 7. Battery Connector 2. Power Push Switch 8. South Bridge (ALi M1535) 3. Audio Connector 9. LAN Controller(Intel GD82559) 4. DIMM 1 Socket 10. Modem Card Cable Connector 5. DIMM 2 Socket (Reverse) 11. Modem Card Cable Connector 6. Modem Connector Chapter 1 5
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Panel Ports allow you to connect peripheral devices to your computer as you would with a desktop PC. Front Panel # Item Description 1 Display screen Also called LCD (Liquid Crystal Display), displays computer output. 2 Touchpad Touch-sensitive pointing device which functions like a computer mouse. 3 Floppy drive Internal diskette drive, accepts 3.5-inch floppy diskette. 4 Click button (left, center and right) The left and right buttons function like the left and right mouse buttons, the cen
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Left Panel # Icon Item/ Port Connects to... 1 Security keylock Kensington-compatible key-based computer security lock. 2 PCMCIA (PC card) Port Two Type I/II or one Type III 16-bit PC card or 32- bit CardBus PC Card. 3 Eject button Eject PC cards from the card slots. 4 Power switch Turns on the computer power. 5 Infrared port Interfaces with Infrared devices (e.g., infrared printer, IR-aware computers). 6 Speaker/ headphone-out jack Audio line-out devices (e.g., speakers, headphones) 7 Line-in
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Right Panel # Icon Item/ Port Connects to... 1 Video capture kit slot Accepts the video capture kit option on the right side of the computer. 2 Battery bay Houses the computer’s battery pack. 3 CD-ROM/DVD-ROM/CD-RW Drive Houses removable media drive modules. 4 LED indicator Lights up when the AcerMedia drive is active. 5 Eject button Ejects the compact disc from the drive. 6 Emergency eject slot Ejects the compact discs when the computer is turned off. 7 DC-in port AC adapter and power outlet.
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# Icon Item/ Port Connects to... 4 Expansion port EasyPort port replicator 5 USB ports Universal Serial Bus devices (e.g., USB mouse, USB camera) 6 External display port Display device (e.g., external monitor, LCD projector) and displays up to 64K colors at 1280x1024 resolution). 7 Modem port Phone line 8 LAN port Ethernet 10/100 based network Bottom Panel # Item Description 1 Memory compartment Houses the computer’s main memory. 2 Hard disk anti-shock protection Protects your hard disk again
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Indicators The computer has six easy-to-read status icons below the display screen. The Power and Sleep status icons are visible even when you close the display cover so you can see the status of the computer while the cover is closed. # Icon Function Description 1 Power Lights when the computer is on. 2 Sleep Lights when the computer enters Sleep Mode. 3 Media Activity Lights when the floppy disk drive, hard disk drive or AcerMedia drive is active. 4 Battery Charge Lights when the battery is
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Keyboard The keyboard has full-sized keys and an embedded keypad, separate cursor keys, two Windows keys and twelve function keys. Special keys Lock keys The keyboard has three lock keys which you can toggle on and off. Lock key Description Caps Lock When Caps Lock is on, all alphabetic characters typed are in uppercase. Num Lock (Fn-F11) When Num Lock is on, the embedded keypad is in numeric mode. The keys function as a calculator (complete with the arithmetic operators +, -, *, and /). Use
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NOTE: If an external keyboard or keypad is connected to the computer, the Num Lock feature automatically shifts from the internal keyboard to the external keyboard or keypad. Windows keys The keyboard has two keys that perform Windows-specific functions. Keys Description Windows logo key Start button. Combinations with this key perform shortcut functions. Below are a few examples: Æ + Tab (Activates next taskbar button) Æ + E (Explores My Computer) Æ + F (Finds Document) Æ + M (Minimizes
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Hot key Icon Function Description Fn-F3 Power Management Scheme Switches the power management scheme Toggle used by the computer (function available if supported by operating system) Fn-F4 Sleep Puts the computer in Sleep mode. Fn-F5 Display Toggle Switches display output between the display screen, external monitor (if connected) and both the display screen and external monitor. Fn-F6 Screen Blank Turns the display screen backlight off to save power. Press any key to return. Fn-F7 Touchp
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5. Click on OK. To type the Euro symbol: 1. Locate the Euro symbol on your keyboard. 2. Open a text editor or word processor. 3. Hold Alt Gr and press the Euro symbol. NOTE: Some fonts and software do not support the Euro symbol. Please refer to http://www.microsoft.com/ typography/faq/faq12.htm for more information. Launch Keys Located at the top of the keyboard are four buttons. These buttons are called launch keys. They are designated as key 1, key 2, key 3 and key 4. By default, key 1
