Acer ASPIRE 5551G, ASPIRE 5251, ASPIRE 5551 User Manual

Aspire 5251/5551G/5551 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 on Aspire 5251/5551G/5551 service guides.

Date Chapter Updates

Copyright © 2010 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.

NOTE: This symbol where placed in the Service Guide designates a component that should be recycled according to the local regulations.

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.

Table of Contents

System Specifications 1

Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

System Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Your Acer Notebook tour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Closed Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Left View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Right View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Bottom View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

TouchPad Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Using the Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Lock Keys and embedded numeric keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Windows Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Hot Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Hardware Specifications and Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

System Utilities 25

BIOS Setup Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

Navigating the BIOS Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

Aspire 5251/5551G/5551 BIOS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

Main . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27

Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

Boot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31

Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32

BIOS Flash Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

DOS Flash Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34

WinFlash Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36

Remove HDD/BIOS Password Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

Machine Disassembly and Replacement 43

Disassembly Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43

Pre-disassembly Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44

Disassembly Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45

External Module Disassembly Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46

External Modules Disassembly Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46

Removing the Battery Pack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47

Removing the SD Dummy Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48

Removing the Optical Drive Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49

Removing the Logic Lower Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51

Removing the 3G Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52

Removing the DIMM Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53

Removing the WLAN Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54

Removing the Hard Disk Drive Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56

Main Unit Disassembly Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58

Main Unit Disassembly Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58

Removing the Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59

Removing the Upper Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61

Removing the Left Speaker Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65

Removing the Right Speaker Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67

Removing the Power Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69

Removing the TouchPad Bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70

Removing the Card Reader Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72

VII

Table of Contents

Removing the USB Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73

Removing the Bluetooth Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75

Removing the Mainboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76

Removing the Thermal Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81

Removing the CPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83

LCD Module Disassembly Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84

LCD Module Disassembly Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84

Removing the LCD Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85

Removing the LCD Bezel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88

Removing the Camera Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89

Removing the LCD Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90

Removing the LCD Brackets and LVDS Cable . . . . . . . . . . . . . . . . . . . . . . . . . .91

Removing the Microphone Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94

Removing the Antennas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96

LCD Module Reassembly Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98

Replacing the Antennas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98

Replacing the Microphone Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100

Replacing the LCD Brackets and LVDS Cable . . . . . . . . . . . . . . . . . . . . . . . . .101

Replacing the LCD Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .103

Replacing the Camera Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104

Replacing the LCD Bezel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105

Replacing the LCD Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .106

Main Module Reassembly Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .109

Replacing the CPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .109

Replacing the Thermal Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110

Replacing the Mainboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .112

Replacing the Bluetooth Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115

Replacing the USB Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .116

Replacing the Card Reader Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .118

Replacing the TouchPad Bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .119

Replacing the Power Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .121

Replacing the Right Speaker Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .122

Replacing the Left Speaker Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .123

Replacing the Upper Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .124

Replacing the Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .127

Replacing the Hard Disk Drive Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .128

Replacing the WLAN Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .129

Replacing the DIMM Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .130

Replacing the 3G Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .131

Replacing the Logic Lower Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .132

Replacing the ODD Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .133

Replacing the SD Dummy Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .134

Replacing the Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .135

Troubleshooting 137

Common Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .137

Power On Issue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .138

No Display Issue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .139

Random Loss of BIOS Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140

LCD Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .141

Built-In Keyboard Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .141

TouchPad Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .142

Internal Speaker Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .142

HDD Not Operating Correctly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .144

ODD Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .145

VIII

Table of Contents

Wireless Function Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .148

Thermal Unit Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .148

External Mouse Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .149

Other Failures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .149

Intermittent Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .150

Undetermined Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .150

Post Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .151

Jumper and Connector Locations 155

Top View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .155

Bottom View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .156

USB/B Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .157

Power Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .157

CR/B Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .158

Clearing Password Check and BIOS Recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . .159

Clearing Password Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .159

Clear CMOS Jumper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .159

BIOS Recovery by Crisis Disk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .160

FRU (Field Replaceable Unit) List 161

Aspire 5251/5551G/5551 Exploded Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . .162

Main Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .162

Base Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .163

LED Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .164

Aspire 5251/5551G/5551 FRU List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .165

Screw List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .166

Model Definition and Configuration 168

Aspire 5251 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .168

Aspire 5551G . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .170

Aspire 5551 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .179

Test Compatible Components 187

Microsoft® Windows® 7 Environment Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .188

Online Support Information 195 Index 197

Table of Contents

System Specifications

Features

Below is a brief summary of the computer’s many features: NOTE: Some features not available on all models.

Operating System

• Genuine Windows® 7 Home Premium 64-bit

• Genuine Windows® 7 Home Basic 64-b i t

CPU/Chipset

• AMD V Series processor V120 (512 KB L2 cache, 2.20 GHz, 3.2GT/s, 25 W) (Aspire 5251)

• AMD M880G Chipset (Aspire 5251)

• AMD Phenom™ II triple-core mobile processor N830 (1.5 MB L2 cache, 2.10 GHz, 3.6GT/s, 35 W) (Aspire 5551/5551G)

• AMD Turion™ II dual-core mobile processor P520/N530 (2 MB L2 cache, 2.30/2.50 GHz, 3.6G T/s, 25/35 W) (Aspire 5551/5551G)

• AMD Athlon™ II dual-core processor P320/N330 (1 MB L2 cache, 2.10/2.30 GHz, 3.2GT/s, 25/35 W) (Aspire 5551/5551G)

• AMD RS880M and SB820M Chipset (Aspire 5251/5551/5551G)

Chapter 1

System Memory

• Dual-channel DDR3 SDRAM support:

• Up to 4 GB of DDR3 1066 MHz memory, upgradeable to 8 GB using two soDIMM modules

(for 64-bit OS)

Display

• 15.6" HD 1366 x 768 pixel resolution, high-brightness (200-nit) Acer CineCrystal™ LED-backlit TFT LCD

• 16:9 aspect ratio

Graphics

• ATI Radeon™ HD 4250 Graphics with 256 MB of dedicated system memory, supporting Unified Video Decoder 2 (UVD2), OpenEXR High Dynamic-Range (HDR) technology, Shader Model 4.1, Microsoft® DirectX® 10.1 (Aspire 5251/5551)

• ATI Mobility Radeon™ HD 5650 with 1024 MB of dedicated DDR3 VRAM, supporting Unified Video Decoder (UVD), OpenEXR High Dynamic-Range (HDR) technology, Shader Model 5.0, Microsoft® DirectX® 11, OpenGL® 3.1, OpenCL™ 1.1 (Aspire 5551G)

• ATI Mobility Radeon™ HD 5470 with 512 MB of dedicated DDR3 VRAM, supporting Unified Video Decoder (UVD), OpenEXR High Dynamic-Range (HDR) technology, Shader Model 5.0, Microsoft® DirectX® 11, OpenGL ® 3.1, OpenCL™ 1.1 (Aspire 5551G)

Chapter 1 1

• Dual independent display support (Aspire 5251/5551/5551G)

• 16.7 million colors (Aspire 5251/5551/5551G)

• External resolution / refresh rates:

• VGA port up to 2560 x 1440: 75 Hz (Aspire 5251/5551)

• VGA port up to 2048 x 1536: 85 Hz (Aspire 5551G)

• HDMI™ port up to 1920 x 1080: 60 Hz (Aspire 5251/5551/5551G)

• MPEG-2/DVD decoding (Aspire 5251/5551/5551G)

• VC-1 and H.264 (AVC) decoding (Aspire 5551G)

• WMV9 (VC-1) and H.264 (AVC) decoding (Aspire 5251/5551)

• Microsoft® DirectX Video Acceleration (DXVA) application interface (API) (Aspire 5551G)

• HDMI™ (High-Definition Multimedia Interface) with HDCP (High-bandwidth Digital Content Protection) support (Aspire 5251/5551/5551G)

Storage Subsystem

• 160/250/320/500/640 GB or larger hard disk drive

• Multi-in-1 card reader, supporting:

• Secure Digital™ (SD) Card, MultiMediaCard (MMC), Memory Stick™ (MS), Memory Stick

PRO™ (MS PRO), xD-Picture Card™ (xD)

Audio

• Two built-in Acer 3DSonic™ stereo speakers

• High-definition audio support

• Built-in microphone

• MS-Sound compatible

Storage

• 160/250/320/500/640 GB or larger hard disk drive

• Multi-in-1 card reader, supporting Secure Digital™ (SD) Card, MultiMed iaCard (MMC), Memory Stick™ (MS), Memory Stick PRO™ (MS PRO), xD-Picture Card™ (xD)

Optical Media Drive

• 8X DVD-Super Multi double-layer drive (Aspire 5251):

• Read: 24X CD-ROM, 24X CD-R, 24X CD-RW, 8X DVD-ROM, 8X DVD-R, 8X DVD+R, 6X

DVD-ROM DL, 6X DVD-R DL, 6X DVD+R DL, 6X DVD-RW, 6X DVD+RW, 5X DVD-RAM

• Write: 24X CD-R, 16X CD-RW, 8X DVD-R, 8X DVD+R, 4X DVD-R DL, 4X DVD+R DL, 6X

DVD-RW, 8X DVD+RW, 5X DVD-RAM

• 4X Blu-ray Disc™/DVD-Super Multi double-layer drive (Aspire 5551):

• Read: 24X CD-ROM, 24X CD-R, 24X CD-RW, 8X DVD-ROM, 8X DVD-R, 8X DVD+R, 8X

DVD-ROM DL, 6X DVD-R DL, 6X DVD+R DL, 8X DVD-RW, 8X DVD+RW, 5X DVD-RAM, 4X BD-ROM, 4X BD-R, 2X BD-RE, 4X BD-ROM DL, 4X BD-R DL, 2X BD-RE DL

• Write: 24X CD-R, 16X CD-RW, 8X DVD-R, 8X DVD+R, 6X DVD-RW, 6X DVD+RW, 5X DVD-

RAM, 4X DVD+R DL, 4X DVD-R DL

• 8X DVD-Super Multi double-layer drive (Aspire 5551):·

• Read: 24X CD-ROM, 24X CD-R, 24X CD-RW, 8X DVD-ROM, 8X DVD-R, 8X DVD+R, 6X

DVD-ROM DL, 6X DVD-R DL, 6X DVD+R DL, 6X DVD-RW, 6X DVD+RW, 5X DVD-RAM

2 Chapter 1

• Write: 24X CD-R, 16X CD-RW, 8X DVD-R, 8X DVD+R, 4X DVD-R DL, 4X DVD+R DL, 6X

DVD-RW, 8X DVD+RW, 5X DVD-RAM

Communication

• Acer Video Conference, featuring:

• Acer Crystal Eye 1.3 MP webcam, 1280 x 1024 resolution

•WLAN:

• Acer InviLink™ Nplify™ 802.1 1b/g/n Wi-Fi CERTIFIED™

• Acer InviLink™ 802.11b/g Wi-Fi CERTIFIED™

• Supporting Acer SignalUp™ wireless technology

•WPAN:

• Bluetooth® 3.0+HS

• Bluetooth® 2.1+EDR

• LAN: Gigabit Ethernet, Wake-on-LAN ready

Privacy control

• BIOS user, supervisor, HDD passwords

• Kensington lock slot

Dimensions and weight

• 381 (W) x 253 (D) x 25/34 (H) mm (15 x 9.9 x 0.98/1.3 inches)2.6 kg (5.74 lbs.)10 with 6-cell battery pack

Power subsystem

• ACPI 3.0 CPU power management standard: supports Standby and Hibernation power-saving modes

• 3-pin 65 W AC adapter:

• 108 (W) x 46 (D) x 29.5 (H) mm (4.25 x 1.81 x 1.16 inches)

• 225 g (.49 lbs.)10 with 180 cm DC cable

• 48.8 W 4400 mAh 6-cell Li-ion standard battery pack

• Estimated battery life: up to 3 hours and 20 minutes

• ENERGY STAR®

Special keys and controls

• 103-/104-/107-key keyboard, with inverted "T" cursor layout, 1.8 mm (minimum) key travel

• Multi-gesture touchpad, supporting two-finger scroll, pinch, rotate, flip

• 1 1 function keys, four cursor keys, two Windows® keys, hotkey controls, independent standard numeric keypad, international language support

• Media keys (printed on keyboard): play/pause, stop, previous, next

I/O interface

• Multi-in-1 card reader (SD™, MMC, MS, MS PRO, xD)

• Three USB 2.0 ports

Chapter 1 3

• HDMI™ port with HDCP support

• External display (VGA) port

• Headphone/speaker/line-out jack

• Microphone-in jack

• Ethernet (RJ-45) port

• DC-in jack for AC adapter

Optional Items

• 1 GB / 2 GB / 4 GB DDR3 1066 MHz soDIMM module

• 6-cell Li-ion battery pack

• 3-pin 65 W AC adapter

• External USB 56K modem

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%

4 Chapter 1

System Block Diagram

LVDS

CRT

Danube

AMD S1G4 Processor

uPGA-638 Package

Champlain

Hyper Transport Link 16 x 16

ATI RS880M

uFCBGA-528

Memory BUS(DDR3)

Dual Channel

1.5V DDRIII 1066~1333MHz

Thermal Sensor

204pin DDRIII-SO-DIMM X2

BANK 0, 1, 2, 3

ADM1032

Clock Generator

ICS9LPRS488

MINI Card 1

LED

RTC CKT.

LID SW / MEDIA/B

Power On/O CKT.

DC/DC Interface CKT.

Power Circuit

HDMI Conn.

WLAN

Fan Control

Extend Card/B

1. USB X2

2. Cardreader

LAN(GbE)

Broadcom BCM57780

GPP0GPP1

RJ45

Touch Pad

EC I/O Buer

A link Express2

Gen1

ATI SB820M

uFCBGA-605

LPC BUS

ENE KB926

Int.KBD

BIOS

USB conn X 3

USB port 0,1,2

3.3V 48MHz

3.3V 24.576MHz/48Mhz

Gen2

S-ATA

SATA HDD Conn.

port 0

Bluetooth

CMOS

Conn

Camera

USB port 5 USB port 12 USB port 8

USB

HD Audio

SATA ODD Conn.

port 1

Mini card (WL)X1

HDA Codec ALC272X

Audio AMP

Phone Jack x2

3G/GPS WWAN

USB port 9

Card Reader

USB port 6

Chapter 1 5

Your Acer Notebook tour

Front View

No. Icon Item Description

1 Acer Crystal Eye

webcam

2 Display screen Also called Liquid-Crystal Display (LCD),

3 HDD Indicates when the hard disk drive is active.

Communication indicator

4 Power button Turns the computer on and off.

5 Keyboard For entering data into your computer. 6 T ouchPad T ouch-sensitive pointing device which functions

6 Chapter 1

Web camera for video communication (for selected models).

displays computer output.

Indicates the computer’s wireless connectivitoy device status.

like a computer mouse.

No. Icon Item Description

Power

Indicates the computer’s power status.

Battery

8 Click buttons (left

and right)

9 Palmrest Comfortable support area for your hands when

10 Speakers Left and right speakers deliver stereo audio

11 Microphone Internal microphone for recording sound.

NOTE: 1 The front panel indicators are visible even when the computer cover is closed.

Indicates the computer’s battery status.

1. Charging: The light shows amber when the battery is charging.

2. Fully charged: The light shows blue when in AC mode.

The left and right buttons function like the left and right mouse buttons.

you use the computer.

output.

Closed Front View

No. Icon Item Description

1 Multi-in-1 card

reader

Accepts Secure Digital (SD), MultiMediaCard (MMC), Memory Stick (MS), Memory Stick PRO (MS PRO), xDPicture Card (xD).

NOTE: Push to remove/install the card.

Only one card can operate at any given time.

Left View

No. Icon Item Description

1 DC-in jack Connects to an AC adapter

2 Ventilation slots Enable the computer to stay cool, even after

prolonged use.

3 External display

(VGA) port

4 Ethernet (RJ-45)

port

5 HDMI Connect to HDMI devices

Connects to a display device (e.g. external monitor, LCD projector).

Connects to an Ethernet 10/100/1000-based network.

Chapter 1 7

No. Icon Item Description

6 USB 2.0 ports Connect to USB 2.0 devices (e.g. USB mouse,

USB camera).

7 Microphone-in

jack

Accepts input from external microphones.

Headphones/ speaker/line-out jack

Connects to audio line-out devices (e.g. speakers, headphones).

Right View

No. Icon Item Description

1 USB 2.0 ports Connect to USB 2.0 devices (e.g. USB mouse, USB

camera). 2 Optical drive Internal optical drive; accepts CDs or DVDs. 3 Optical disk access

indicator

4 Optical drive eject

button

5 Emergency eject hole Ej ects the optical drive tray when the computer is

6 Kensington lock slot Connects to a Kensington-compatible computer

Lights up when the optical drive is active.

Ejects the optical disk from the drive.

turned off.

Note: Insert a paper clip into the emergency eject

hole to eject the optical drive tray when the computer

is off.

security lock.

Note: Wrap the computer security lock cable around

an immovable object such as a table or handle of a

locked drawer. Insert the lock into the notch and turn

the key to secure the lock. Some keyless models are

also available.

8 Chapter 1

Bottom View

No. Icon Item Description

1 Battery bay Houses the computer's battery pack. 2 Battery release

latch

3 Hard disk bay Houses the computer's hard disk (secured

Releases the battery for removal.

with screws).

4 Memory

compartment

5 Battery lock Locks the battery in position.

6 Ventilation slots

and cooling fan

Houses the computer's main memory.

Enable the computer to stay cool, even after

prolonged use.

Note: Do not cover or obstruct the fan opening.

Indicators

The computer has several easy-to-read status indicators.

Icon Function Description

Power Indicates the computer's power status.

Battery Indicates the computer's battery status.

NOTE: 1. Charging: The light shows amber when the battery is charging. 2. Fully charged: The light shows green when in AC mode.

HDD Indicates when the hard disk drive is active.

Communication indicator Indicates the computer’s wireless connectivitoy

device status.

Chapter 1 9

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 TouchPad 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.

10 Chapter 1

Using the Keyboard

The keyboard has full-sized keys and an embedded numeric keypad, separate cursor, lock, Windows, function and special keys.

Lock Keys and embedded numeric keypad

The keyboard has two lock keys which you can toggle on and off.

Lock key Description

Caps Lock When Caps Lock is on, all alphabetic chara c ters typed are in uppercase. Scroll Lock

< Fn + F12 > Num Lock When Num Lock is on, the embedded keypad is in numeric mode.

When Scroll Lock is on, the contents of a text window scroll without moving the cursor.

Chapter 1 11

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 <> + <G>: Cycle through Sidebar gadgets <> + <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 <> + <T>: Cycle through programs on the taskbar <> + <U>: Open Ease of Access Center <> + <X>: Open Windows Mobility 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

Application key

<CTRL> + <CTRL> + <> + <TAB>: Use the arrow keys to cycle through programs on the

Note: Depending on your edition of Windows 7, some shortcuts may not function as

This key has the same effect as clicking the right mouse button; it opens the application's context menu.

<> + <F>: Search for computers (if you are on a network)

taskbar by using Windows Flip 3-D

described.

12 Chapter 1

Hot Keys

The computer employs hotkeys or key combinations to access most of the computer’s controls like screen brightness, volume output and the BIOS utility.

To activate hot keys, press and hold the <Fn> key before pressing the other key in the hotkey combination.

Hotkey Icon Function Description

<Fn> + <F3> Communication key Enables / disables the computer's

communication devices. (Communication devices may vary by configuration.)

<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.

<Fn> + <F6> Display Off Turns the display screen backlight off to save

power. Press any key to return.

<Fn> + <F7> Touchpad toggle Turns the internal touchpad 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> + <Home> Play/Pause Play or pause a selected media file.

<Fn> + <Pg Up> Stop Stop playing the selected media file. <Fn> + <Pg Dn> Previous Return to the previous media file.

<Fn> + <End> Next Jump to the next media file.

Volume up Increases the sound volume.

Volume down Decreases the sound volume.

Chapter 1 13

Hardware Specifications and Configurations

Platform

Item Specification

CPU • AMD Family 10h Champlain Processor S1g4 Package

• AMD Turion™ II Dual-Core Mobile Processo r

• AMD Athlon™ II Dual-Core Processor for Notebook PCs

• AMD Sempron™ Processor for Notebook PCs

• AMD Phenom™ II Dual-Core Processor

• AMD V-Series Processor

Chipsets • AMD RS880M North Bridge uFCBGA-528p

• AMD SB820M South Bridge uFCBGA-605p

• ATI Mobility Radeon™ HD 5650/5470 GPU with 1GB/512M DDR3 VRAM

• ENE KB926 for Keyboard Controller, Battery management Unit, and RTC.

• Realtek RTS5160 for Card Reader, 5 in 1 controller.

• Realtek ALC272-X for High Definition Audio Codec.

• Broadcom BCM57780A1KMLG for Giga LAN

Processor Specifications

Item

AAN330 2.23 GHz 2 1.8 GHz 1 MB S1g4 35 W AAP320 2.1 GHz 2 1.8 GHz 1 MB S1g4 25 W AAP320_BR2.1 GHz 2 1.8 GHz 1 MB S1g4 25 W

AMDV1202.2 GHz 1 1.8 GHz 512 KB S1g4 25 W

APN830 2.1 GHz 3 1.8 GHz 1.5 MB S1g4 35 W APN930 2.0 GHz 4 1.8 GHz 2 MB S1g4 35 W ATN530 2.5 GHz 2 1.8 GHz 2 MB S1g4 35 W ATP520 2.3 GHz 2 1.8 GHz 2 MB S1g4 25 W ATP520_BR2.3 GHz 2 1.8 GHz 2 MB S1g4 25 W

CPU Fan True Value Table (Tj = 100 DIS)

CPU Temp (°C)

50 2500 28 56 2900 31 63 3200 34 70 3600 37 80 4000 40 95 4000 40

CPU

Speed

Core 0

Cores

Hyper

Transport

Fan Speed (rpm) SPL Spec (dBA)

Cache

Size

Package

Voltage

Core

Acer P/N

• Throttling 50%: On=95°C, Off=85°C

• OS Shutdown: 100°C

• H/W Shutdown: 92°C

14 Chapter 1

CPU Fan True Value Table (Tj = 100 UMA)

CPU Temp (°C)

Core 0

50 2500 28 56 2900 31 63 3200 34 70 3600 37 80 4000 40 95 4000 40

• Throttling 50%: On=95°C, Off=85°C

• OS Shutdown: 100°C

• H/W Shutdown: 92°C

Fan Acoustic Specifications

Operation

Mode

Fan off Windows Idle (HDD random

seek)

Fan 1 Windows Idle 28 N/A 7 Fan 2 Windows Idle, HDD spinning 31 N/A 7 Fan 3 Play Movie (read from HDD),

Play TV (TV tuner sku)

Fan 4 3DMark06,Prime95,

Prime95+Play TV(TV tuner sku), acer screen saver, HDD spinning

Fan 5 TAT100% or

Thermanow100%,3DMark06, at ambient 35C, HDD spinning

ODD (Reference)

ODM’s test software (Sequential) with Fan 4

Application

Fan Speed (rpm) SPL Spec (dBA)

SPL

dBA

N/A • 20~3.99kHz less than or

34 N/A 7

37 N/A 7

40 N/A 7

43 N/A N/A

Loudness (Sone)

equal to: 0.035

• 4K~20kHz less than or equal to: 0.035

Tone

(dB)

NOTE: Tone:20~399Hz refers to slope of Ecma-074, 400~20K Hz < 7 Prominence ratio. No pattern occurred

on Prominence vs. time diagram.

Chapter 1 15

BIOS

Item Specification

BIOS vendor Insyde BIOS BIOS ROM type Flash Features • 16Mbit(2MB) CMOS Serial Flash ROM

• Support Acer UI

• Support multi-boot

• Suspend to RAM (S3)/Disk (S4)

• V arious hot- keys for system control

• Support SMBIOS 2.3, PCI2.2.

• Refer to Acer BIOS specification.

• DMI utility for BIOS serial number configurable/asset tag

• Support PXE

• Support Y2K solution

• Support WinFlash

• Wake on LAN from S3

• Wake on LAN form S4 in AC mode

• System information

System Memory

Item Specification

Memory size 8GB maximum DIMM socket number 2 Supports memory size per socket 4GB Supports DIMM type 204-pin +1.5V DDRIII Supports DIMM Speed 800/1066/1333 MHz Supports DIMM voltage 1.5V

Memory Combinations

Slot 1 Slot 2 Total Memory

0MB 1024MB 1024MB 0MB 2048MB 2048MB 0MB 4096MB 4096MB 1024MB 0MB 1024MB 1024MB 1024MB 2048MB 1024MB 2048MB 3072MB 2048MB 0MB 2048MB 2048MB 1024MB 3072MB 2048MB 2048MB 4096MB 2048MB 4096MB 6144MB 4096MB 4096MB 8192MB

NOTE: Above table lists some system memory configurations. You may combine DIMMs with various

capacities to form other combinations. In the above table, the configuration of slot 1 and slot 2 could be reversed.

16 Chapter 1

Onboard LAN

Item Specification

Vendor/model name Broadcom 57780KMLG for GIGA LAN Features • Integrated 10/100/10000BASE-T transceiver

• Automatic MDI crossover function

• PCIe V1.1 compliant

• 10/100/10000BASE-T full -duplex/half -duplex MAC

• Receive side scaling(RSS) for multicore processors

• Complies with IEEE 802.3, 802.3u, 802.3ab, and 802.1p

• Wake on LAN (WOL) support meeting the ACPI requirements

• Statistics for SNMP MIB II, Ethernet-like MIB, and Ethernet MIB (IEEE 802.3z, Clause 30)

• Self-boot feature, utilizing smaller EEPROM size with ability to use on-chip memory

• Supports iSCSI boott

• PCI Express CLKREQ support

• Integrated switching regulator for improved power consumption

• IPv4 and IPv6 large send offload and checksum offload(LSO/TCO)

Wireless LAN

Item Specification

Vendor/model name • Foxconn Wireless LAN Atheros HB93 2x2 BGN (HM)

• QMI Wireless LAN Atheros HB93 2x2 BGN (HM) EM306

• Foxconn Wireless LAN Broadcomm 43225 2x2 BGN (HM) T77H103.00

• Foxconn Wireless LAN Atheros HB97 2x2 BGN (HM)

• Liteon Wireless LAN Atheris HB97 2x2 BGN (HM) WN6603AH

• Foxconn Wirelss LAN Atheros HB95 1x1 BG (HM)

• Foxconn Wireless LAN Broadcom 4312H BG (HM)

• Foxconn Wirelss LAN Atheros HB95BG (HM) T77H121.10

Protocol 802.11b/g/n Interface PCI-Express Antenna 1 X 2

Battery

Item

Vendor & model name SANYO/SONY/PANASONIC/SAMSUNG/SIMPLO AS2009A Battery Type Li-ion Pack capacity 4400 mAh Normal Voltage 2.2 Ah Package configuration 3S2P

Chapter 1 17

Specification

6 Cell

System Power Management

ACPI mode Specification

Mech. Off (G3) All devices in the system are turned off completely. Soft Off (G2/S5) OS initiated shutdown. All devices in the system are turned off

completely.

Working (G0/S0) Individual devices such as the CPU and hard disk may be power

managed in this state.

Sleeping State (S3) CPU set power down

VGA Suspend PCMCIA Suspend Audio Power Down Hard Disk Power Down CD-ROM Power Down Super I/O Low Power mode

Sleeping State (S4) Also called Hibernate state. System Saves all system states and data

onto disk prior to power off the whole system.

Power and Keyboard Controller

Item Specification

Controller ENE KB926 Total number of keypads 99-/100-/103-key keyboard Windows logo key Yes Hotkeys See “Hot Keys” on page 13.

Hard Disk Drive Interface

Item Specification

Vendor/model name

Capacity (MB) 160, 250,

Bytes per sector 512 Data heads 2-4 Drive Format Disks 1-2 Spindle speed

(RPM) Performance Specifications Buffer size 8 MB Interface SA TA DC Power Requirements Voltage tolerance 5V ±5%

Seagate HGST Toshiba Western

320, 500

160, 250, 320, 500

5400

Digital 160, 250,

320, 500, 640

Samsung

160, 250, 320

18 Chapter 1

Super-Multi Drive Module

Item Specification

Vendor & model

HLDS GT20N Sony AD7580S

name Performance

Specification Transfer rate (MB/

sec)

With CD Diskette With DVD

Diskette

Sustained: 3,600 KB/s (24x)

max.

Sustained:

11.08 Mbytes/s

(8x) max. Buffer Memory 2 MB Interface SATA Applicable disc

formats

DVD-ROM:

4.7GB (Single Layer)

8.5GB (Dual Layer) DVD-R:

3.95GB (Ver. 1.0: read only)

4.7GB (Ver. 2.0 for Authoring: read only)

4.7GB (Ver. 2.1 for General: read & write)

(DL) 8.5GB (Ver. 3.0) DVD-RW:

4.7GB (Ver. 1.2/ Rev 1.0, 2.0, 3.0) DVD-RAM: 1.46GB/side, 4.7GB/side

(Ver. 2.2) DVD+R: 4.7GB (Ver. 1.3) (DL) 8.5GB (Ver. 1.1) DVD+RW:

4.7GB (Vol.1 Ver.1.3)

CD-ROM Mode-1 data disc CD-ROM Mode-2 data disc CD-ROM XA, CD-I, Photo-CD Multi-

Session, Video CD CD-Audio Disc Mixed mode CD-ROM disc (data and

audio) CD-Extra CD-Text CD-R (Conforming to “Orange Book

Part 2”: read & write) CD-RW (Conforming to “Orange Book

Part 3”: read & write)

Loading mechanism Drawer (Solenoid Open)

Tact SW (Open)

Emergency Release (draw open hole) Power Requirement Input Voltage DC 5 V +/- 5%

With CD Diskette With DVD Diskette

Sustained: 1,571 (typical)

Sustained: 10,993 (typical)

DVD Read: DVD-ROM (DVD-5, DVD-9, DVD-10,

DVD-18), DVD-Video, DVD-Audio, SACD (Hybrid),

UDF DVD, DVD-R, DVD-R DL, DVD-R

3.95 GB, DVD-R Authoring, DVD-R MultiBorder,

DVD-RW, DVD+R, DVD+R DL, DVD+R Multi-Session, DVD+RW, DVD-RAM V1.0, DVDRAM

V2.0 & 2.1 &2.2.

CD Read: CD-DA, CD-ROM Mode-1, CD-ROM/XA

Mode-2 Form-1 and Mode-2 Form-2, CD-i, CD-i

Bridge, Video-CD (MPEG-1), Karaoke CD, Photo-CD, Enhanced CD, CD Plus, CD Extra, itrax

CD, CD-Text, UDF CD, CD-R, and CD-RW

DVD Write: DVD Data & Video

CD Read: CD-DA, CD-ROM Mode-1, CD-ROM/XA

Mode-2 Form-1 and Mode-2 Form-2, CD-i, Video-

CD, CD-Text

Chapter 1 19

VGA Chip

Item Specification

Vendor/model name

Features • On Board 1024MB(5650) / 512MB(5470) DDR3 Video RAM

Supported Resolutions

ATI Mobility Radeon™ HD 5650/5470 GPU

• PCI Express 2.1 x16 bus interface

• DirectX® 11 support

• OpenGL 3.2 support

• Image quality enhancement technology

• ATI Eyefinity multi-display technology

• ATI Stream accel e ration technology

• ATI Avivo HD Video & Display technology

• Certified drivers for Windows 7, Windows Vista, and Windows XP

• Engine clock speed: 550 MHz / 750 MHz

• Memory clock speed: 800 MHz

• VGA output support

• HDMI output Support VGA Aspire 5251/5551 • All resolutions up to 2456 x

1536: 60 Hz

Aspire 5551G • All resolutions up to 2048 x

1536: 85 Hz

HDMI™ Aspire 5251/5551/5551G • All resolutions up to 1920 x

1080: 60 Hz

LCD Display Resolutions

Resolution Aspire 5251 Aspire 5551 Aspire 5551G

640x480p/60Hz 4:3 Yes Yes Yes 720x480p/60Hz 4:3 Yes Yes Yes 720x480p/60Hz 16:9 Yes Yes Yes 1280x720p/60Hz 16:9 Yes Yes Yes 1920x1080i/60Hz 16:9 Yes Yes Yes 1440x480i/60Hz 4:3 Yes Yes Yes 1440x480i/60Hz 16:9 Yes Yes Yes 1920x1080p/60Hz 16:9 Yes Yes Yes 720x576p/50Hz 4:3 Yes Yes Yes 720x576p/50Hz 16:9 Yes Yes Yes 1280x720p/50Hz 16:9 Yes Yes Yes 1920x1080i/50Hz 16:9 Yes Yes Yes 1440x576i/50Hz 4:3 Yes Yes Yes 1440x576i/50Hz 16:9 Yes Yes Yes 1920x1080p/50Hz 16:9 Yes Yes Yes 2048x1536/85 Hz 16:9 Yes Yes Yes 2560x1440/75 Hz 16:9 Yes Yes N o

20 Chapter 1

+ 180 hidden pages