Acer Aspire M3985 User manual

Acer

Aspire M3985

Service Guide

PRINTED IN TAIWAN

Revision History

Please refer to the table below for the updates made on this service guide.

Date Chapter Updates

iii

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.

Pentium Dual-Core, Celeron Dual-Core, Core 2 Duo, Core 2 Quad, Celeron, and combinations thereof, are

trademarks of Intel Corporation.

Other brand and product names are trademarks and/or registered trademarks of their respective holders.

Conventions

The following conventions are used in this manual:

SCREEN

MESSAGES Denotes actual messages that appear on screen.

NOTE Gives additional information related to the current topic.

WARNING Alerts you to any physical risk or system 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.

Service Guide Coverage

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.

FRU Information

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.

vii

System Tour 1

Features 1

Block Diagram 5

System Components 6

Front Panel 6

Rear Panel 7

Hardware Specifications and Configurations 8

Power Management Function(ACPI support function) 12

System Utilities 13

CMOS Setup Utility 13

Entering CMOS setup 14

Navigating Through the Setup Utility 14

Setup Utility Menus 15

System Disassembly and Assembly 25

Disassembly Requirements 25

Pre-disassembly Procedure 26

Removing the Side Panel 27

Removing the Front Bezel 28

Removing the Heat Sink Fan Assembly 29

Removing the Processor 31

Removing the VGA Card 33

Removing the Hard Disk Drive 35

Removing the Optical Drive 37

Removing the System Fan 39

Removing the Power Supply 41

Removing the Memory Modules 43

Removing the Mainboard 44

Removing the Top Cover 47

Removing the Power Switch and LED Cable Assembly 49

Removing the Card Reader 50

Removing the Top USB and Audio I/O Assembly 51

Assembly Requirements 53

Assembly Procedure 54

Reinstalling the Processor 55

Reinstalling the Memory 56

Romoving the Side Panel 57

Removing the Cage of Hard Disk Drive 58

Removing the PCI Cover 59

REinstalling the Power Supply 60

Reinstalling the I/O Shielding 61

Reinstalling the Main Board 62

Reinstalling the Optical Drive 64

Reinstalling the Hard Disk Drive 66

Reinstalling the VGA Card 68

Reinstalling the System Fan 70

Reinstalling the Heat Sink Fan Assembly 71

Reinstalling the Front Bezel 73

Install the Side Panel 75

Table of Contents

viii

System Troubleshooting 76

Hardware Diagnostic Procedure 76

System Check Procedures 77

Power System Check 77

System External Inspection 77

System Internal Inspection 77

Beep Codes 78

Checkpoints 79

BIOS Recovery 82

Jumper and Connector Information 85

M/B Placement 85

Jumper Setting 87

Internal header pin definition 90

Connector pin definition 93

FRU (Field Replaceable Unit) List 98

Aspire M3985 Exploded Diagram 99

Aspire M3985 FRU List 101

Chapter 1 1

Features

Below is a brief summary of the computer’s many feature:

NOTE: The features listed in this section is for your reference only. The exact configuration of the system

depends on the model purchased.

Operating System

•Microsoft Windows 7 Home Premium x64

•Microsoft Windows 7 Home Basic x64

•Microsoft Windows 7 Home Premium x86

•Microsoft Windows 7 Home Basic x86

•Microsoft Windows 7 Starter x86

•Linpus XWindows

•Free DOS

Processor

•Intel Ivy Bridge / Sandy Bridge Processor includes unlock K SKU CPU.

•Socket type: LGA1155.

•FMB: 65W / 95W and support K sku OC need support 130w power design.

Chipset

•PCH: Intel B75

PCB

•uATX, max 4 Layers

Memory subsystem

•2 channels, 2 DIMMs per channel. Different colors for DIMM 0 and DIMM 1.

•Dual channel should be enabled always when plug-in 2 same memory size DDRIII. memory module.

•DDR3 * 4.

•Max memory of 16 GB supported (using 4Gb tech).

•Support DDR3 1.5V 1333/1600 (1GB / 2GB / 4GB).

Graphics

•Intel® HD Graphics Support (supported by CPU).

•Dual independent display.

•Digital display (HDMI/DVI/DP/eDP) and VGA.

•DVMT 5.0 technology support.

•Enhanced 3D and Clear Video technology support.

•Need to measure VGA follow Acer VGA SOP.

•Monitor compatible is requested to the monitor AVL and DQM recommended list.

System Tour

Chapter 1

2Chapter 1

Hard disk drive

•Support up to three SATA ports.

•3.5",25.4mm.

•Capacity and models are listed on AVLC.

Optical disk drive

•Support one SATA 5.25" standard ODD.

•Support DVD-ROM, DVD-SuperMulti, BD-combo, BD-rewrite.

•Maximum ODD depth to 185mm with bezel.

•Models are listed on AVLC.

Graphics card

•No mechanical retriction to support dual slot, full length graphics cards in the single PCIe X16 slot.

•Please make sure there is no component conflict with PCIe card. Especially VGA card, we may have

double width card support.

Audio

•Realtek ALC662VD.

•Rear IO: 3 jack.

•Front IO: 1*Microphone-in, 1*head phone jack.

Serial ATA controller

•SATA * 6 (different color to identify SATA 6Gb/s and SATA 3Gb/s).

•1 * SATA 6 Gb/s and 5 * SATA 3Gb/s .

•HDD : AHCI/Native IDE is required.

•ODD: Support BD/SuperMulti/DVD ROM.

LAN

•Giga Lan, Intel 82579V co-lay with Realtek LAN 8111E.

SUPER IO

•Support PECI 3.0 and detect VRD/CPU/System temperature.

•ITE 8772E or other solution proposed by MB vender.

Extension slot

•1 * PCIE x16 (PCIE V3.0)

•3 * PCIE x1 (PCIE V2.0)

USB2.0

•Rear IO : * 4 ports.

•Internal Header: *4 ports (2 * USB2.0 H5X2 Header).

•All ports should meet USB IF spec and support 1A current over drive.

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