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Acer TravelMate 4020 Series
Service Guide
Service guide files and updates are available
on the ACER/CSD web; for more information,
please refer to http://csd.acer.com.tw
PRINTED IN TAIWAN
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Revision History Please refer to the table below for the updates made on TravelMate 4020 service guide. Date Chapter Updates 01/12/2003 Chapter 2 Update BIOS specification. II
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Copyright Copyright © 2005 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. IV
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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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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 ® Intel 915GM PCI Express chipset ® ® Intel Pentium M processor 725 (2MB L2 cache, 1.6 GHz, 400 MHz FSB) CPU Package is uFPGA 478 Package ® Integrated Intel PRO/Wireless 2200BG network connection (dual-mode 802.11b/g) Wi-Fi TM CERTIFIED solution Memory 256MB or 512MB of DDRII 400/533 Upgradeable to 2GB Memory by Dual channels of SODIMM 512
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MS-Sound Compatible Storage 60 GB ATA/100 hard disc drive Optical drive options: 8X DVD-Dual double-layer or DVD/CD-RW combo PC card 95 supported with one Type II PCI card bus no ZV support Communication 56Kbps V.92 with PTT approval 10/100M LAN on board WLAN 802.11b/g or 802.11 a/b/g dual-band tri-mode Wireless with Mini-PCI interface Built-in 2 Antenna (which has to be placed on the top of LCD on the sides of LCD latch) I/O Ports One Type II PC Card slot One RJ-11 phone jack (V.
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Battery 4-cell of Li-ion battery pack, (2200mAh,32W) 65W AC adaptor 19V 3.42A Weight (with battery) 3.0 kg (6.6 lbs.) Dimensions 364(W) x 279(D) x 33.9/38.9(H) mm (14.3 x 11 x 1.3/1.5 inches) Environment Temperature o o Operating: 5 C ~ 35 C o o Non-operating: -20 C ~ 65 C Humidity ( non-condensing) Operating: 20% ~ 80% RH Non-operating: 20% ~ 80% RH Chapter 1 3
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Mainboard Placement Top View 4 Chapter 1
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Rear View Chapter 1 5
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ITEM DESCRIPTION ITEM DESCRIPTION CN2 LCD Connector CN14 DC JACK CN3 LED board connector CN15 CRT connector SW2 Lid switch CN16 Docking connector CN10 express card connector CN17 Battery connector CN11 4 IN 1 connector CN18 Fix ODD connector CN13 Speaker connector CN21 Swap ODD connector CN9 MD board connector CN24 2nd Battery connector CN12 INT MIC connector CN30 PATA HDD connector CN5 Keyboard connector CN31 SATA HDD connector CN6 BT connector CN36 Line IN connector CN8 TP connector
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Block Diagram 5VPCU 3V_ALWAYS CLOCK GEN 5V / 3.3V / 12V Centrino CRANE2 ( ZL3 ) ICS Page : 35 +12V DOTHAN ICS954201 Page : 2 +5V CELEROM-M 3V_S5 Page : 3 , 4 INTEL Mobile_479 CPU EXT_LVDS ATI PCIE SWITCH EXT_CRT 3VSUS M26P/M24P CIRCUIT HOST BUS 533MHz 5VSUS 64M / EXT_TV-OUT CRT HOST BUS 400MHz 128M 2.5VSUS Page:17 Page : 11 ~ 14 1.8V / 0.9V ALVISO +2.5V LVDS INT_LVDS LVDS Page : 36 400/533MHZ DDR2 1257 BGA Page:16 +1.8V DDR2-SODIMM1 RGB INT_CRT Page:9~10 MVREF_DM TV-OUT Page:16 400/533MHZ DDR
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Outlook View A general introduction of ports allow you to connect peripheral devices, as you would with a desktop PC. Just for Starters... Open View # Item Description # Item Description 1 Display screen Also called Liquid-Crystal Display (LCD), displaying computer output. 2 Microphone Internal microphone for sound recording. 3 Keyboard For entering data into your computer. 4 Palmrest Comfortable support area for your hands when you use the computer. 5 Click buttons The left and right b
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# Item Description "Launch keys" on page 10 # Item Description # Item Description # Item Description # Item Description "Launch keys" on page 10 "Launch keys" on page 10 # Item Description "Launch keys" on page 10 # Item Description "Launch keys" on page 10 "Launch keys" on page 10 Front Panel "Launch keys" on page 10 # Icon Item Description # Icon Item Description # Icon Item Description # Icon Item Description # Icon Item Description # Icon Item Description 1 Speakers Left and right speakers d
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Left View # Item Description 1 Optical drive Internal optical drive; accepts CDs or DVDs depending on the optical drive type. 2 LED indicator Lights up when the optical drive is active. 3 Optical drive eject Ejects the optical drive tray from the drive. button 4 Emergency eject Ejects the optical drive tray when the computer is turned off hole NOTE: The positions of the AcerMedia indicator, eject button and emergency eject hole may differ depending on the optical drive module installed. 10 C
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Right View # Icon Item Description # Icon Item Description # Icon Item Description 1 PC Card slot eject Ejects the PC Card from the slot. button # Icon Item Description Note: 2 PC Card slot Connects to one Type II CardBus PC Card. Note: # Icon Item Description 3 Two USB 2.0 ports Connect to Universal Serial Bus (USB) 2.0 devices (e.g., USB mouse, USB camera). Note: 4 Network jack Connects to an Ethernet 10/100/1000-based network (for selected models). 5 Modem jack Connects to a phone line. 6
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# Icon Item Description Note: # # Icon Icon IItem tem D Description escription Note: Note: Rear View # Icon Item Description # Icon Item Description # Icon Item Description # Icon Item Description 1 Power jack Connects to an AC adapter. 2 External display port Connects to a display device (e.g., external monitor, LCD projector). 3 Security keylock Connects to a Kensington-compatible computer security lock. 12 Chapter 1
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Bottom View # Item Description 1 Hard disk bay Houses the computer's hard disk (secured with two screws). 2 Battery release latch Unlatches the battery to remove the battery pack. 3 Battery bay Houses the computer's battery pack. 4 Battery lock Locks the battery in place. 5 Cooling fan Helps keep the computer cool. NOTE: Do not cover or obstruct the opening of the fan. 6 Memory compartment Houses the computer's main memory and Mini PCI Card. Chapter 1 13
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Indicators Your computer provides an array of three indicators located above the keyboard, in addition to four indicators positioned at the front of the palm rest area. These indicators show the status of the computer and its componetns. Icon Function Description The three indicators located above the keyboard provide the following status information: Icon Item Description Caps Lock activity Lights when Caps L
