Acer Emachines em250 Service Manual
eMachines eM250 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
Revision History
Please refer to the table below for the updates made to this service guide.
Date Chapter Updates
II
Copyright
Copyright © 2009 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 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.
Acer is a registered trademark of Acer Corporation.
Intel is a registered trademark of Intel Corporation.
Other brand and product names are trademarks and/or registered trademarks of their respective holders.
III
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
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 will NOT be covered
in this generic service guide. In such cases, please contact your regional offices or the responsible
personnel/channel to provide you with further technical details.
2. Please note WHEN ORDERING FRU PARTS, that you should check the most up-to-date information
available on your regional web or channel. If, for whatever reason, a part number change is made, it will
not be noted in the printed Service Guide. For ACER-AUTHORIZED SERVICE PROVIDERS, your Acer
office may have a DIFFERENT part number code to those given in the FRU list of this printed Service
Guide. You MUST use the list provided by your regional Acer office to order FRU parts for repair and
service of customer machines.
V
VI
Table of Contents
System Specifications 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
System Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Your eMachines Notebook tour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Closed Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Left View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Right View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Rear and Base View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
TouchPad Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Using the Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Lock Keys and embedded numeric keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Windows Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Hot Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Special Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Hardware Specifications and Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
System Utilities 19
BIOS Setup Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Navigating the BIOS Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Main . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Boot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
BIOS Flash Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
DOS Flash Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
WinFlash Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Remove HDD/BIOS Password Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Miscellaneous Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Machine Disassembly and Replacement 37
Disassembly Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Related Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Pre-disassembly Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Disassembly Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
External Module Disassembly Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
External Modules Disassembly Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
Removing the Battery Pack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Removing the Lower Covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
Removing the Hard Disk Drive Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
Removing the DIMM Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
Removing the 3G Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Main Unit Disassembly Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
Main Unit Disassembly Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
Removing the Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49
Removing the Upper Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
Removing the Power Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
Removing the Bluetooth Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
Removing the TouchPad FFC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
Removing the WLAN Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
Removing the USB Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
VII
Table of Contents
Removing the Mainboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63
Removing the RTC Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66
Removing the Thermal Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
Removing the Speaker Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
Removing the LCD Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71
Removing the AC Power Jack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74
LCD Module Disassembly Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75
LCD Module Disassembly Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75
Removing the LCD Bezel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76
Removing the Camera Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78
Removing the LCD Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79
Removing the LCD Brackets and FPC Cable . . . . . . . . . . . . . . . . . . . . . . . . . . .81
Removing the Antennas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83
LCD Module Reassembly Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86
Replacing the Antennas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86
Replacing the LCD Cable and Brackets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89
Replacing the LCD Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .92
Replacing the Camera Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93
Replacing the LCD Bezel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95
Main Module Reassembly Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96
Replacing the AC Power Jack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96
Replacing the LCD Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97
Replacing the Speaker Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100
Replacing the Thermal Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101
Replacing the Mainboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .102
Replacing the USB Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104
Replacing the WLAN Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105
Replacing the TouchPad FFC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .106
Replacing the Bluetooth Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .106
Replacing the Power Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .108
Replacing the Upper Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110
Replacing the Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113
Replacing the 3G Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113
Replacing the DIMM Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115
Replacing the Hard Disk Drive Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115
Replacing the Lower Covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .117
Replacing the Battery Pack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .118
Troubleshooting 119
Common Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .119
Power On Issue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .120
No Display Issue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .121
Random Loss of BIOS Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .122
LCD Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .123
Built-In Keyboard Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .123
TouchPad Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .124
Internal Speaker Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .125
Internal Microphone Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .127
HDD Not Operating Correctly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .128
USB Failure (Rightside) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .129
Wireless Function Test Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .130
3G Function Test Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .131
Switch Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .132
Thermal Units Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .133
Power Button Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .133
VIII
Table of Contents
External Mouse Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .134
Other Failures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .134
Intermittent Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .135
Undetermined Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .135
Motherboard CMOS Discharge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .136
POST Code Reference Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .137
Sec: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .137
Memory: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .137
BDS & Specific action: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .138
Each PEIM entry point used in 80_PORT . . . . . . . . . . . . . . . . . . . . . . . . . . . . .139
Each Driver entry point used in 80_PORT . . . . . . . . . . . . . . . . . . . . . . . . . . . .139
Each SmmDriver entry point used in 80_PORT . . . . . . . . . . . . . . . . . . . . . . . .142
Jumper and Connector Locations 143
Top View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .143
Bottom View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .144
Power board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .145
Card reader board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .146
Clearing Password Check and BIOS Recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . .147
Clearing Password Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .147
BIOS Recovery by Crisis Disk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .148
FRU (Field Replaceable Unit) List 149
eMachines eM250 Exploded Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .150
Main Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .150
Rear Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .151
Upper Cover Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .152
Lower Cover Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .153
LCD Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .154
eMachines eM250 FRU List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .155
Screw List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .162
Model Definition and Configuration 164
eMachines eM250 Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .164
Model eM250-01G16i . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .165
Model eM250-01G25i . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .170
Model eM250-02G16i . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .171
Model eM250-02G25i . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .171
Test Compatible Components 173
Windows XP Environment Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .174
Online Support Information 181
Index 183
IX
Table of Contents
X
System Specifications
Features
Below is a brief summary of the computer’s many features:
Operating System
• Genuine Windows® 7 Starter
• Genuine Windows® 7 Home Basic (China only)
• Genuine Windows® XP Home (Service Pack 3)
Platform
• Intel® Atom™ processor
• Mobile Intel® 945GSE Express Chipset
• Mobile Intel® 82801GBM Chipset
• Acer InviLink™ 802.11b/g
Chapter 1
System Memory
• Single channel with one soDIMM slot:
• DDR2 533/667 MHz SDRAM memory interface design
• soDIMM slot: Supports 512 MB / 1 GB / 2 GB soDIMMs for total system memory of up to 2 GB
Display and graphics
• 10.1" WSVGA high-brightness (typical 180-nit) Acer CrystalBrite™ TFT LCD, 1024 x 600 pixel
resolution
• Mobile Intel® 945GSE Express Chipset
Storage subsystem
• 2.5" 9.5 mm 160 GB or larger hard disk drive
• Multi-in-1 card reader
Audio
• High-definition audio support
• Two built-in stereo speakers
• MS-Sound compatible
• Built-in digital microphone
Dimensions and Weight
• 258.5 (W) x 184 (D) x 25.4 (H) mm
Chapter 1 1
• 1.18 kg (2.62 lbs.) for SKUs with 3-cell battery pack
• 1.33 kg (2.95 lbs.) for SKUs with 6-cell battery pack
Communication
• Integrated webcam, supporting 0.3-megapixel resolution
• WLAN: Acer InviLink™ 802.11b/g Wi-Fi CERTIFIED® network connection, supporting Acer
SignalUp™ wireless technology
• LAN: 10/100 Mbps Fast Ethernet
• WP AN: Bluetooth® 2.0+EDR
• WWAN: UMTS/HSP A at 2100 MHz and quad-band GSM/GPRS/EDGE (850/900/1800/1900 MHz),
or UMTS/HSPA at 850/1900/2100 MHz and quad-band GSM/GPRS/EDGE (850/900/1800/1900
MHz) (for 3G models)
Privacy control
• BIOS user, supervisor, HDD passwords
• Kensington lock slot
Special keys and controls
• 84-key keyboard with 1.6 mm (minimum) key travel
• Touchpad pointing device with two buttons
Power
• 24.4 W 2200 mAh 3-cell Li-ion battery pack, 3-hour battery life
• 48.8 W 4400 mAh 6-cell Li-ion battery pack, 6-hour battery life
• 57.7 W 5200 mAh 6-cell Li-ion battery pack, 7-hour battery life
• 30 W adapter with power cord
I/O interface
• Multi-in-1 card reader
• Three USB 2.0 ports
• External display (VGA) port
• Headphone/speaker/line-out jack
• Microphone-in jack
• Ethernet (RJ-45) port
• DC-in jack for AC adapter
Environment
• Temperature:
• Operating: 5 °C to 35 °C
• Non-operating: -20 °C to 65 °C
• Humidity (non-condensing):
• Operating: 20% to 80%
• Non-operating: 20% to 80%
2 Chapter 1
System Block Diagram
CRT Conn
page 14
RGB
page 19
LVDS
PCI-Express
10/100 Ethernet
AR8114A
Transfermer
RJ45
Thermal Sensor
Power ON/OFF
& LED CONN
page 26
DC IN
page 31
BATT IN
page 32
CHARGER
page 34
EMC1402
page 4
SDIO CONN
page 27
DC/DC Interface
page 29
3VALW/5VALW
page 33
1.5VS/0.9VS/
2.5VS
page 36
1.8V/VCCP
page 35
CPU_CORE
page 37
LCD Conn.
page 13
MINI Card x2
page 24
page 24
page 24
Int.KBD
Diamondville SC
.3(#A_
13.
H
Calistoga GSE
FCBGA998
DMI
X2 mode
page 27
FCBGA8
437Pins
22x22mm
FSB
400/533MHz
27x27mm
page 6,7,8,9,10
ICH7M
BGA652
31x31mm
page 15,16,17,18
LPC BUS
ENE KBC
KB926
page 25
Touch Pad
page 27
page 4,5
SPI
SPI ROM
)36..0(#D_H)
Memory BUS(DDRII)
1.8V DDRII 400/533
to I/OBoard CONN
JP7
AMP & INT
Speaker
page 25
DDRII-SO-DIMM
USB
HDA
SATA
page 22
page 21
I/O board
Clock Generator
CK505
page 12
Aralia Codec
ALC272
page 20
MIC Jack
page 21 page 13
SATA CONN
USB Port X2
USB Card Reader
x1 RTS5159E
INT DMIC CONNHeadPhone &
page 11
USB Port X1
page 28
I/O Board X2
page 22
to I/O board
CONN
RTS5159E
page 22
BlueToothX1
page19
CMOS CAM
page13
WLANX1
page19
WWANX1
page19
Chapter 1 3
Your eMachines Notebook tour
Front View
No. Icon Item Description
1 Webcam Web camera for video communication
2 Microphone Internal microphone for sound
recording.
3 Display screen Also called Liquid-Crystal Display (LCD),
displays computer output.
4 Bluetooth
communication
switch/indicator
5 Status indicators Light-Emitting Diodes (LED) that light up to show
6 Keyboard For entering data into your computer.
7 T ouchPad Touch-sensitive pointing device which functions like
8 Power indicator Indicates the computer's power status.
4 Chapter 1
Enables/disables the Bluetooth function.
Indicates the status of Bluetooth communication.
(only for certain models)
the status of the computer's functions and
components.
a computer mouse.
No. Icon Item Description
9 Click buttons (left
and right)
10 Wireless LAN/3G
communication
indicator
11 Power button/
indicator
Closed Front View
No. Icon Item Description
1 Wireless
communication
switch
The left and right buttons function like the left and
right mouse buttons.
Indicates the status of Wireless LAN/3G
communication. (only for certain models)
Turns the computer on and off.
Enables/disables the wireless function.
Left View
12 3456
No. Icon Item Description
1 Ethernet (RJ-45)
port
2 Ventilation slots
and cooling fan
3 External display
(VGA) port
4 USB 2.0 port Connect to USB 2.0 devices (e.g. USB mouse).
6 Microphone-in
jack
5 Headphones/
speaker/line-out
jack
Connects to an Ethernet 10/100-based
network.
Enable the computer to stay cool, even after
prolonged use.
Note: Do not cover or obstruct the fan opening.
Connects to a display device
(e.g. external monitor, projector).
Accepts input from external microphones.
Connects to line-out audio devices
(e.g. speakers, headphones).
Chapter 1 5
Right View
1342
No. Icon Item Description
1 Multi-in-1 card
reader
2 USB 2.0 ports Connect to USB 2.0 devices (e.g. USB mouse).
3 DC-in jack Connects to an AC adapter
Accepts Secure Digital (SD), MultiMediaCard
(MMC), Memory Stick (MS), Memory S t ick PRO
(MS PRO), xD-Picture Card (xD).
Note: Push to remove/install the card. Only one
card can operate at any given time.
4 Kensington lock
slot
Rear and Base View
2
Connects to a Kensington-compatible computer
security lock.
51
4
3
No. Icon Item Description
1 Battery bay Houses the computer's battery pack.
Note: The battery shown is for reference only. Your
PC may have a different battery, depending on the
model purchased.
6 Chapter 1
No. Icon Item Description
2 Battery lock Locks the battery in position.
3 Ventilation slots Vents enable the computer to stay cool, even after
prolonged use.
Note: Do not cover or obstruct the cooling vents.
4 Battery release
latch
5 3G SIM card slot Accepts a 3G SIM card for 3G connectivity (only for
Releases the battery for removal.
certain models).
Indicators
The computer has several easy-to-read status indicators. The battery indicator is visible even when the
computer cover is closed.
Icon Function Description
Bluetooth Indicates the status of Bluetooth communication.
Wireless LAN Indicates the status of Wireless LAN communication.
3G communication Indicates the status of 3G communication.
HDD Indicates when the hard disk drive is active.
Num Lock Lights up when Num Lock is activated.
Caps Lock Lights up when Caps Lock is activated.
Battery Indicates the computer's battery status.
Chapter 1 7
TouchPad Basics
The following items show you how to use the TouchPad:
• Move your finger across the TouchPad (1) to move the cursor.
• Press the left (2) and right (3) buttons located beneath the TouchPad to perform selection and
execution functions. These two buttons are similar to the left and right buttons on a mouse.
Tapping on the TouchPad is the same as clicking the left button.
Function Left Button (2) Right Button (3) Main TouchPad (1)
Execute Quickly click twice. Tap twice (at the same speed
Select Click once. Tap once.
Drag Click and hold, then use
finger on the Touch P ad to
drag the cursor.
Access
context menu
as double-clicking a mouse
button).
Tap twice (at the same speed
as double-clicking a mouse
button); rest your finger on
the TouchPad on the second
tap and drag the cursor.
Click once.
NOTE: When using the T ouchPad, keep it - and your fingers - dry and clean. The TouchPad is sensitive to
finger movement; hence, the lighter the touch, the better the response. Tapping too hard will not
increase the TouchPad ’s responsiveness.
8 Chapter 1
Using the Keyboard
Your eMachines eM250 has a close-to-full-sized keyboard and an embedded numeric keypad, separate
cursor, lock, function and special keys.
Lock Keys and embedded numeric keypad
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>
Scroll Lock <Fn> +
<F12>
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
this mode when you need to do a lot of numeric data entry. A better solution
would be to connect an external keypad.
When Scroll Lock is on, the screen moves one line up or down when you press
the up or down arrow keys respectively. Scroll Lock does not work with some
applications.
The embedded numeric keypad functions like a desktop numeric keypad. It is indicated by small characters
located on the upper right corner of the keycaps. To simpl ify the keyboard legend, cursor-control key symbols
are not printed on the keys.
Desired access Num Lock on Num Lock off
Number keys on
embedded keypad
Cursor-control keys on
embedded keypad
Main keyboard keys Hold <Fn> while typing letters on
Type numbers in a normal manner.
Hold <Shift> while using cursorcontrol keys.
embedded keypad.
Hold <Fn> while using cursorcontrol keys.
Type the letters in a normal
manner.
Chapter 1 9
Windows Keys
The keyboard has two keys that perform Windows-specific functions.
Key Description
Windows key Pressed alone, this key has the same effect as clicking on the Windows Start button;
it launches the Start menu. It can also be used with other keys to provide a variety of
functions:
<>: Open or close the S tart menu
<> + <D>: Display the desktop
<> + <E>: Open Windows Explore
<> + <F>: Search for a file or folder
<> + <L>: Lock your computer (if you are connected to a network domain), or
switch users (if you're not connected to a network domain)
<> + <M>: Minimizes all windows
<> + <R>: Open the Run dialog box
<> + <U>: Open Ease of Access Center
<> + <BREAK>: Display the System Properties dialog box
<> + <SHIFT+M>: Restore minimized windows to the desktop
<> + <TAB>: Cycle through programs on the taskbar by using Windows Flip 3-D
<> + <SPACEBAR>: Bring all gadgets to the front and select Windows Sidebar
<CTRL> + <> + <F>: Search for computers (if you are on a network)
<CTRL> + <> + <TAB>: Use the arrow keys to cycle through programs on the
taskbar by using Windows Flip 3-D
Note: Depending on your edition of Windows Vista, some shortcuts may not function
as described.
Application
key
This key has the same effect as clicking the right mouse button; it opens the
application's context menu.
10 Chapter 1
Hot Keys
The computer employs hotkeys or key combinations to access most of the computer's controls like screen
brightness and volume output.
To activate hotkeys, press and hold the <Fn> key before pressing the other key in the hotkey combination.
Hotkey Icon Function Description
<Fn> + <F1> Hotkey help Displays help on hotkeys.
<Fn> + <F2> Acer eSettings
Management
<Fn> + <F3> Acer ePower
Management
<Fn> + <F4> Sleep Puts the computer in Sleep mode.
<Fn> + <F5> Display toggle Switches display output between the display
<Fn> + <F6> Screen blank Turns the display screen backlight off to save
<Fn> + <F7> TouchPad toggle Turns the internal Touch P ad on and off.
<Fn> + <F8> Speaker toggle Turns the speakers on and off.
<Fn> + < > Brightness up Increases the screen brightness.
<Fn> + < > Brightness down Decreases the screen brightness.
<Fn> + < >
<Fn> + < >
Volume up Increases the sound volume.
Volume down Decreases the sound volume.
Launches Acer eSettings Management in Acer
Empowering Technology.
Launches Acer ePower Management in Acer
Empowering Technology.
screen, external monitor (if connected) and
both.
power. Press any key to return.
Chapter 1 11
Special Keys
You can locate the Euro symbol and the US dollar sign at the upper-center and/or bottom-right of your
keyboard.
The Euro symbol
1. Open a text editor or word processor.
2. Hold <Alt Gr> and then press the <5> key at the upper-center of the keyboard.
NOTE: Some fonts and software do not support the Euro symbol. See www.microsoft.com/typography/faq/
faq12.htm for more information.
The US dollar sign
1. Open a text editor or word processor.
2. Hold <Shift> and then press the <4> key at the upper-center of the keyboard.
NOTE: This function varies according to the language settings.
12 Chapter 1
Hardware Specifications and Configurations
Processor
Item Specification
CPU type Intel Atom N270/N280, 1.6GHz, 512K, 533/667MHz, 2.5W
CPU package Micro-FCBGA8 packaging, 437-pin
Core Logic • Intel 945GSE Express chipset
• ICH7M Intel 82801GBM
Chipset • ENE KB926 for Keyboard Controller, Battery management
Unit, and RTC.
• Integrated VGA solution for Intel 945GSE.
• Realtek ALC272X-GR for High Definition Audio Codec.
• Atheros AR8114A/AR8132 for 10/100 LAN
Features • On-die, primary 32-kB instructions cache and 24-kB write-back
data cache
• 533-MHz source-synchronous front side bus (FSB)
• 2-Threads support
• On-die 512-kB, 8-way L2 cache
• Support for IA 32-bit architecture
• Intel® Streaming SIMD Extensions-2 and -3 (Intel® SSE2 and
Intel® SSE3) support and Supplemental Streaming SIMD
Extension 3 (SSSE3) support
• Micro-FCBGA8 packaging technologies
• Thermal management support via Intel® Thermal Monitor 1
and Intel Thermal Monitor 2
• FSB Lane Reversal for flexible routing
• Supports C0/C1(e)/C2(e)/C4(e)
• L2 Dynamic Cache Sizing
• Advanced power management features including Enhanced
Intel SpeedStep® Technology
• Execute Disable Bit support for enhanced security
Processor Specifications
Item
N270 1.6 GHz 1 533 MHz 45 nm 512
N280 1.66 GHz 1 667 MHz 45 nm 512
CPU
Speed
Cores
Bus
Speed
Mfg
Tech
Cache
Size
KB
KB
Package
MicroFCBGA8
MicroFCBGA8
Core
Voltage
0.9V-
1.100V
0.9V-
1.1625V
Acer P/N
KC.ANB01.270
KC.ANB01.280
CPU Fan True Value Table
CPU Temperature of Diode Fan Speed (RPM) SPL Spec (dBA)
40 5200 26
50 5900 29
60 6300 31
• Throttling 50%: On= 85°C; OFF=75°C
• EC shut down at 90°C; H/W shut down(PH1) at 92°C
Chapter 1 13
System Memory
Item Specification
Memory controller Built in
Memory size 512MB or 1GB DDR2 RAM (if 2Gb die support is available)
DIMM socket number 1
Supports memory size per socket 2 GB
Supports maximum memory size 2 GB
Supports DIMM type DDR II 533Mhz SDRAM memory interface design
Supports DIMM Speed 533Mhz SDRAM
System Storage
Item Specification
HDD • 9.5mm height, 2.5" HDD
• Easily removable no more than two screws
• SATA bus
• 160/250GB and above
• 5400 rpm
• SATA connector BTO
Hard Disk Drive Interface
Item Specification
Vendor &
Model Name
Capacity
(GB)
Bytes per
sector
Data heads 2 4 2 3, 2 3, 2
Drive Format
Disks 1 2 1 2, 1 2, 1
Spindle
speed (RPM)
Performance Specifications
Buffer size 8 MB 8 MB TBD 8 MB 8 MB
Interface SATA SATA SATA SATA SATA
Fast data
transfer rate
(Mbits/sec,
max)
Media data
transfer rate
(Mbytes/sec
max)
DC Power Requirements
Voltage
tolerance
Seagate
ST9160310AS
160 250 250 250, 160 250, 160
512 512 512 512 512
5400 5400 5400 5400 5400
352 778 TBD 3000 3000
150 300 TBD 775 850
5V ±5% 5V ±5% TBD 5V ±5% 5V ±5%
Seagate
ST9250827AS
Seagate
ST9250315AS
HGST L9A300
HTS543225
HTS543216
WD
WD2500BEVT
WD1600BEVT
14 Chapter 1
Hard Disk Drive Interface (cont.)
Item Specification
Vendor & Model Name
Capacity (GB) 160 160
Bytes per sector 512
Data heads 2 2
Drive Format
Disks 1 1
Spindle speed (RPM) 5400 5400
Performance Specifications
Buffer size (MB) 8 8
Interface SATA SATA
Fast data transfer rate (Mbits/
sec, max)
Media data transfer rate
(Gbytes/sec max)
DC Power Requirements
Voltage tolerance 5V ±5% 5V ±5%
BIOS
Item Specification
BIOS vendor InSyde
BIOS Version v0.10
BIOS ROM type Flash
BIOS ROM size 1 MB
Features • Support ISIPP
Toshiba MK1652GSX Toshiba MK1655GSX
400 - 794 typical 395 - 952 typical
33
• Support Acer UI
• Support multi-boot
• Suspend to RAM (S3)/Disk (S4)
• V arious hot-key s for system control
• Support SMBUS 2.0, PCI2.3
• ACPI 2.0 compliance with Intel Speed Step Support C1, C2,
C3, C4 and S3, S4 for mobile CPU
• DMI utility for BIOS serial number configurable/asset tag
• Support PXE
• Support Y2K solution
• Support Win Flash Wake on LAN from S3
• Wake on LAN from S4 in AC mode
• System information
LED 10.1”
Item Specification
Vendor/model name Chimei N101L6-L02, AUO B101AW03 V0, Samsung
LTN101NT02-A01, LPL LP101WSA-TLA1
Screen Diagonal (mm) 257 (10.1”)
Active Area (mm) 222.72x125.28
Display resolution (pixels) 1024x576
Chapter 1 15
Item Specification
Pixel Pitch (mm) 0.2175
2
Typical White Luminance (cd/m
200
)
also called Brightness
Contrast Ratio 500:1
Response Time (Optical Rise
10
Time/Fall Time) msec
Typical Power Consumption
2.5
(watt)
Weight (without inverter) 180
Physical Size (mm) 235.5 x 143.5 x 5.2
Electrical Interface LVDS
Viewing Angle (degree)
Horizontal (Right) CR = 10 (Left)
Vertical (Upper) CR = 10 (Lower)
45/45
20/45
Audio Codec and Amplifier
Item Specification
Audio
REALTEK ALC272X-GR
Controller
Features • Two stereo DAC support 16/20/24-bit PCM for two independent playback (multiple
streaming)
• Two stereo ADC supports 16/20/24-bit PCM format for two independent recording
• All DACs support independent 44.1k/48k/96k/192kHz sample rate
• All ADCs support independent 44.1k/48k/96k/192kHz sample rate
• Two independent SPDIF outputs support 16/20/24-bit format and 44.1k/48k/88.2k/
96k/192kHz rate
• Supports line level mono output
• Supports analog PCBEEP input, and features an integrated digital BEEP
generator
• Support two stereo digital microphone input for microphone array AEC/BF
application
• Supports legacy analog mixer architecture
• Supports two GPIO (General Purpose Input/Output) pins (pin sharing with digital
microphone interface)
• Supports EAPD (External Amplifier Power Down) control for external amplifier
• Supports anti-pop mode when analog power AVDD is on and digital power is off
• Supports 1.5V~3.3V scalable I/O for HD Audio link
• 48-pin LQFP ‘Green’ package
LAN Interface
Item Specification
LAN Chipset Atheros AR8114/AR8132
Features • Supports 10/100
Keyboard
Item Specification
Type New Acer flat keyboard
Total number of keypads 84/88 with 101/102 key emulation
Windows logo key Yes
16 Chapter 1
Item Specification
Internal & external keyboard work
simultaneously
Features • 2.0+/- 3mm full stroke keys
Mini Card
Item Specification
Number Supported 2
Features • 2 mini card slot (1 for 3G and 1 for WLAN or WLAN/
Camera
Item Specification
Vendor and model Suyin Camera Rosa
Type 0.3M LDV
Plug USB keyboard to the USB port directly: Yes
• Phantom key auto detect
• Overlay numeric keypad
• Support independent pgdn/pgup/pgup/home/end keys
• Support reverse T cursor keys
• Factory configurable different languages by OEM
customer
WiMax)
• Embedded 3G module and built-in 1 antenna (combo
wireless + 3G) on top/side of LCD
Liteon Camera Lily
3G Card
Item Specification
Features • 3G card in mini-PCI card size
• Control by USB interface
• User accessible SIM card by battery remove
• Antenna: Has to be placed on the sides of LCD in A/B
cover
Wireless LAN
Item Specification
Type WiMax Intel Echo Peak 5150
Features • 802.16e+802.11a/g/h
•1×2 MIMO
• Mini card/Half Mini card
Battery
Item Specification
Vendor & model name SANYO UM-2008A,
PANASONIC UM-2008AW,
SIMPLO UM-2008A
Battery Type Li-ion Li-ion
Pack capacity 2200/2900 mAh 4400/5800 mAh
Number of battery cell 3 6
Package configuration 3S1P 3S2P
SANYO UM-2008BW,
PANASONIC UM-2008B,
SIMPLO UM-2008A
Chapter 1 17
18 Chapter 1
Chapter 2
System Utilities
BIOS Setup Utility
The BIOS Setup Utility is a hardware configuration program built into your computer’s BIOS (Basic Input/
Output System).
Y our computer is already properly configured and optimized, and you do not need to run this utility . However, if
you encounter configuration problems, you may need to run Setup. Please also refer to Chapter 4
Troubleshooting when problem arises.
To activate the BIOS Utility, press F2 during POST (when Press <F2> to enter Setup message is prompted
on the bottom of screen).
Press F2 to enter setup. The default parameter of F12 Boot Menu is set to “disabled”. If you want to change
boot device without entering BIOS Setup Utility, please set the parameter to “enabled”.
Press <F12> during POST to enter multi-boot menu. In this menu, user can change boot device without
entering BIOS SETUP Utility.
Navigating the BIOS Utility
There are six menu options: Information, Main, Advanced, Security, Power, Boot, and Exit.
Follow these instructions:
• To choose a menu, use the left and right arrow keys.
• To choose an item, use the up and down arrow keys.
• To change the value of a parameter, press F5 or F6.
• A plus sign (+) indicates the item has sub-items. Press Enter to expand this item.
• Press Esc while you are in any of the menu options to go to the Exit menu.
• In any menu, you can load default settings by pressing F9. You can also press F10 to save any
changes made and exit the BIOS Setup Utility.
NOTE: You can change the value of a parameter if it is enclosed in square brackets. Navigation keys for a
particular menu are shown on the bottom of the screen. Help for parameters are found in the Item
Specific Help part of the screen. Read this carefully when making changes to parameter values. Please
note that system information is subject to different models.
Chapter 2 19
Information
The Information screen displays a summary of your computer hardware information.
InsydeH20 Setup Utility Rev. 3.5
Main Boot
SecurityInformation
Exit
CPU Type
CPU Type
CPU Speed
CPU Speed
HDD Model Name:
HDD Model Name:
HDD Serial Number:
HDD Serial Number:
System BIOS Version:
System BIOS Version:
VGA BIOS Version:
VGA BIOS Version:
Serial Number:
Serial Number:
Asset Tag Number:
Asset Tag Number:
Product Name:
Product Name:
Manufacturer Name:
Manufacturer Name:
UUID:
UUID:
Help
F1
Exit
ESC
NOTE: The system information is subject to different models.
Parameter Description
CPU Type This field shows the CPU type and speed of the system.
CPU Speed This field shows the speed of the CPU.
HDD Model Name This field shows the model name of HDD installed on primary IDE master.
HDD Serial Number This field displays the serial number of HDD installed on primar y IDE master.
System BIOS Version Displays system BIOS version.
VGA BIOS Version This field displays the VGA firmware version of the system.
Serial Number This field displays the serial number of this unit.
Asset Tag Number This field displays the asset tag number of the system.
Product Name This field shows product name of the system.
Manufacturer Name This field displays the manufacturer of this system.
UUID Universally Unique Identifier (UUID) is an identifier standard used in software
Select Item
Select Menu
construction, standardized by the Open Software Foundation (OSF) as part of
the Distributed Computing Environment (DCE).
Intel(R) Atom(TM) CPU N270 @ 1.60GHz
Intel(R) Atom(TM) CPU N270 @ 1.60GHz
1.60GHz
1.60GHz
Hitachi HTS543225L9A300
Hitachi HTS543225L9A300
081107FB2E00LKCSHX9A
081107FB2E00LKCSHX9A
V0.05T1
V0.05T1
Intel V1585
Intel V1585
Aspire one
Aspire one
Acer
Acer
63623032-6261-3964-6338-00235A495964
63623032-6261-3964-6338-00235A495964
F5/F6
Enter
Change Values
Select SubMenu
Setup Default
F9
Save and Exit
F10
20 Chapter 2
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